CONTROL GROUP AN/GRA-6 (NSN 5820-00-644-4554) · *TM 11-5820-489-20P TECHNICAL MANUAL HEADQUARTERS DEPARTMENT OF THE ARMY No. 11-5820-489-20P WASHINGTON, DC, 15 July 1977 ORGANIZATIONAL

TM 11-5820-489-20PTECHNICAL MANUAL

ORGANIZATIONAL MAINTENANCE REPAIR PARTS AND SPECIAL TOOLS LISTS

FOR

CONTROL GROUP AN/GRA-6(NSN 5820-00-644-4554)

H E A D Q U A R T E R S , D E P A R T M E N T O F T H E A R M Y

JULY 1977

*TM 11-5820-489-20P

TECHNICAL M ANUAL HEADQUARTERSDEPARTMENT OF THE ARMY

No. 11-5820-489-20P WASHINGTON, DC, 15 July 1977

ORGANIZATIONAL MAINTENANCE REPAIR PARTS AND SPECIAL TOOLS LISTSFOR

CONTROL GROUP AN/GRA-6(NSN 5820-00-644-4554)

Current as of 31 March 1977

REPORTING OF ERRORSYou can improve this manual by recommending

improvements using DA Form 2028-2 (Test) locatedin the back of the manual. Simply tear out the self-addressed form, fill it out as shown on the sample,fold it where shown, and drop it in the mail.

If there are no blank DA Form 2028-2 (Test) inthe back of your manual, use the standard DA Form2028 (Recommended Changes to Publications andBlank Forms) and forward to the Commander, USArmy Electronics Command, ATTN: DRSEL-MA-Q,Fort Monmouth, NJ 07703.

In either case a reply will be furnished direct toyou.

SECTION I.II.

Group 000102

SECTION III.IV.

IllusPage Figure

Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1Repair parts list . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5Control Group AN/GRA-6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 1Remote Control C-433/GRC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 2Local Control C-434/GRC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 3-5Special tools list (Not applicable)National stock number and

part number index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

*This manual supersedes TM 11-5820-489-20P, 4 June 1969.

i

TM 11-5820-489-20P

SECTION IINTRODUCTION

1. ScopeThis manual lists spares and repair parts; specialtools; special test, measurement, and diagnosticequipment (TMDE), and other special supportequipment required for performance of organiza-tional maintenance of the AN/GRA-6. It au-thorizes the requisitioning and issue of spares andrepair parts as indicated by the source and main-tenance codes.

2. GeneralThis Repair Parts and Special Tools List is dividedinto the following sections:

a. Section II. Repair Parts List. A list of sparesand repair parts authorized for use in performanceof maintenance. The list also includes parts whichmust be removed for replacement of the au-thorized parts. Parts lists are composed of func-tional groups in numeric sequence, with the partsin each group listed in figure and item numbersequence.

b. Section III. Special Tools List. Not applicable.c. Section IV. National Stock Number and Part

Number Index. A list, in National item identifica-tion number (NIIN) sequence, of all National stocknumbers (NSN) appearing in the listings, followedby a list, in alphameric sequence, of all part num-bers appearing in the listings. National stocknumbers and part numbers are cross-referenced toeach illustration figure and item number appear-ance.

3. Explanation of Columnsa. Illustration. This column is divided as follows:

(1) Figure number. Indicates the figurenumber of the illustration on which the item isshown.

(2) Item number. The number used to identifyitem called out in the illustration.

b. Source, Maintenance, and Recoverability(SMR) Codes.

(1) Source code. Source codes indicate themanner of acquiring support items for mainte-nance, repair, or overhaul of end items. Sourcecodes are entered in the first and second positionsof the Uniform SMR code format as follows:Code DefinitionPA — Item procured and stocked

or known usage.for anticipated

NOTECannibalization or salvage may be usedas a source of supply for any items sourcecoded above except those coded XA andaircraft support items as restricted by AR700-42(2) Maintenance code. Maintenance codes are

assigned to indicate the levels of maintenance au-thorized to USE and REPAIR support items. Themaintenance codes are entered in the third andfourth positions of the Uniform SMR Code formatas follows:

(a) The maintenance code entered in thethird position will indicate the lowest maintenancelevel authorized to remove, replace, and use thesupport item. The maintenance code entered in thethird position will indicate the following level ofmaintenance:Code Application/ExplanationO — Support item is removed, replaced, used at

the organizational level.(b) The maintenance code entered in the

fourth position indicates whether the item is to berepaired and identifies the lowest maintenancelevel with the capability to perform complete re-pair (i.e., all authorized maintenance functions).This position will contain one of the followingmaintenance codes:Code Application/ExplanationF — The lowest maintenance level capable of

complete repair of the support item is thedirect support level.

Z — Nonreparable. No repair is authorized.

(3) Recoverability code. Recoverability codesare assigned to support items to indicate the dispo-sition action on unserviceable items. The recov-erability code is entered in the fifth position of theUniform SMR Code format as follows:Recoverability Definitioncodes

Z — Nonreparable item. When unserviceable,condemn and dispose at the level indi-cated in position 3.

F — Reparable item. When uneconomically re-parable, condemn and dispose at the di-rect support level.

c. National Stock Number. Indicates the Na-tional stock number assigned to the item and willbe used for requisitioning purposes.

1

TM 11-5820-489-20P

d. Part Number. Indicates the primary numberused by the manufacturer (individual, company,firm, corporation, or Government activity), whichcontrols the design and characteristics of the itemby means of its engineering drawings, specifi-cations, standards, and inspection requirementsto identify an item or range of items.

NOTEWhen a stock-numbered item is re-quisitioned, the repair part received mayhave a different part number than thepart being replaced.

e. Federal Supply Code for Manufacturer(FSCM). The FSCM is a 5-digit numeric code listedin SB 708-42 which is used to identify the manufac-turer, distributor, or Government agency, etc.

f. Description. Indicates the Federal item nameand, if required, a minimum description to identifythe item.

g. Unit of Measure (U/M). Indicates the standardof the basic quantity of the listed item as used inperforming the actual maintenance function. Thismeasure is expressed by a two-character alphabet-ical abbreviation (e.g., ea, in, pr, etc). When the unitof measure differs from the unit of issue, the lowestunit of issue that will satisfy the required units ofmeasure will be requisitioned.

h. Quantity Incorporated in Unit. Indicates thequantity of the item used in the breakout shown onthe illustration figure, which is prepared for afunctional group, subfunctional group, or an as-sembly.

4. Special Informationa. The following publication pertains to AN/

GRA-6 and its components:TM 11-5038, Control Group AN/GRA-6.

b. The illustrations in this manual are identical

to those published in TM 11-5820-489-34P. Onlythose parts assigned the third position SMR main-tenance SMR code “C” or “O” are listed in thetabular listing; therefore, there may be a break inthe item number sequence. Only illustrations con-taining organizational authorized items appear inthis manual.

5. How to Locate Repair Partsa. When National stock number or part number

is unknown.(1) First. Using the table of contents, deter-

mine the functional group within which the itembelongs. This is necessary since illustrations areprepared for functional groups and listings are di-vided into the same groups.

(2) Second. Find the illustration covering thefunctional group to which the item belongs.

(3) Third. Identify the item on the illustrationand note the illustration figure and item number ofthe item.

(4) Fourth. Using the Repair Parts Listing,find the figure and item number noted on the illus-tration.

b. When National stock number or part numberis known.

(1) First. Using the Index of National StockNumbers and Part Numbers, find the pertinentNational stock number or part number. This indexis in NIIN sequence followed by a list of part num-bers in alphameric sequence, cross-referenced tothe illustration figure number and item number.

(2) Second. After finding the figure and itemnumber, locate the figure and item number in therepair parts list.

6. AbbreviationsNot applicable.

(Next printed page is 4.)

2

TM 11-5820-489-20P

Figure 1. Control Group AN/GRA-6.

4

SECTION II TM11-5820-489-20P

(1) (2) (3) (4) (5) (6) (7) (8)ILLUSTRATION QTY(a) (b) NATIONAL DESCRIPTION INCFIG ITEM SMR STOCK PART INNO. NO. CODE NUMBER NUMBER FSCM USABLE ON CODE U\M UNIT

GROUP 00 CONTROL GROUP AN/GRA-6

1 1 PAOZZ 5820-00-404-6885 CW-189/GR 80063 BAG EA 1

1 2 PAOFF 5820-00-170-5171 C-433/GRC 80058 REMOTE CONTROL EA 1

1 3 PAOZZ 5965-00-163-9947 H-33/PT 81349 HANDSET EA 1

1 4 PAOFF 5820-00-170-4781 C-434/GRC 80058 LOCAL CONTROL EA 1

5

TM 11-5820-489-20P

6

Figure 2. Remote Control C-433/GRC.



GROUP 01 REMOTE CONTROL C-433/GRC

2 2 PAOZZ 5355-00-656-1358 MS91525-2 96906 KNOB EA 1

2 6 PAOZZ 6240-00-223-9100 NE51 95412 LAMP,GLOW EA 1

7

TM 11-5820-489-20P

Figure 3. Local Control C-434/GRC.

8



GROUP 02 LOCAL CONTROL C-434/GRC

3 4 PAOZZ 5999-00-221-6559 SCB41623 80063 CAP,ELECTRICAL EA 1

9

TM 11-5820-489-20P

Figure 4. Local Control C-434/GRC, Over-All View.

10



4 5 PAOZZ 5355-00-656-1358 MS91525-2 96906 KNOB EA 14 7 PAOZZ 5935-00-258-4449 SCDL107431 80063 COVER,ELEC CONN EA 14 8 PAOZZ 6240-00-223-9100 NE51 95412 LAMP GLOW EA 1

4 9 PAOZZ 5805-00-399-7398 SCB42442 80063 KNOB EA 1

11

TM 11-5820-489-20P

Figure 5. Local Control C-434/GRC, Disassembled View.

12



5 3 PAOZZ 6140-00-244-5151 SCC42415 80063 COVER,BATTERY EA 1

13

SECTION IV TM11-5820-489-20P

NATIONAL STOCK NUMBER AND PART NUMBER INDEXNOTE: LATEST NATIONAL STOCK NUMBER AND PART NUMBER ASSIGNMENTS ARE INCLUDED AT END OF INDEX

FIG. ITEM FIG. ITEMSTOCK NUMBER NO. NO. STOCK NUMBER NO. NO.

5965-00-163-9947 1 3 6240-00-223-9100 4 85820-00-170-4781 1 4 6140-00-244-5151 5 35820-00-170-5171 1 2 5805-00-399-7398 4 95999-00-221-6559 3 4 5820-00-404-6885 1 16240-00-223-9100 2 6

PART FIG. ITEM PART FIG. ITEMNUMBER FSCM NO. NO. NUMBER FSCM NO. NO.

C-433/GRC 80058 1 2C-434/GRC 80058 1 4CW-189/GR 80063 1 1 SCB41623 80063 3 4H-33/PT 81349 1 3 SCB42442 80063 4 9NE51 95412 2 6 SCC42415 80063 5 3NE51 95412 4 8LATEST NATIONAL STOCK NUMBER ASSIGNMENTS

FIGURE ITEMSTOCK NUMBER NO. NO.

5935-00-258-4449 4 75355-00-656-1358 2 25355-00-656-1358 4 5LATEST PART NUMBER ASSIGNMENTS

FIG. ITEMPART NUMBER FSCM NO. NO.

MS91525-2 96906 2 2MS91525-2 96906 4 5SCDL107431 80063 4 7

14

TM 11-5820-489-20P

By Order of the Secretary of the Army:

Official:

BERNARD W. ROGERSGeneral, United States Army

Chief of Staff

PAUL T. SMITHMajor General, United States Army

The Adjutant General

Distribution:To be distributed in accordance with DA Form 12-51, Organizational maintenance requirements for

AN/GRA-6.

PIN : 030682-000

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CONTROL GROUP AN/GRA-6 (NSN 5820-00-644-4554) · *TM 11-5820-489-20P TECHNICAL MANUAL HEADQUARTERS DEPARTMENT OF THE ARMY No. 11-5820-489-20P WASHINGTON, DC, 15 July 1977 ORGANIZATIONAL