Abbreviations (Mnemonic Codes).

TM 55-2810-218-20P

INTRCH ................. Interchangeable with

(3) Third. Identify the repair part on the

KC ......................... Kilocycle(s)

illustration and note the illustration figure and item

KQCA .................... Kits and quick change assemblies

number of the repair part.

KT .......................... Kit

(4) Fourth. Using the Repair Parts Listing,

KW ........................ Kilowatt(s)

find the assembly group to which the repair part belongs

LB .......................... Pound

and locate the illustration figure and item number noted

LL .......................... Fifty

on the illustration.

MAKEFR................ Make from

MASTER................ Master item

b. When Federal Stock Number or Reference

MIN ........................ Minimum

Number is Known:

MSUP .................... Maintenance supplies

(1) First. Using the Index of Federal Stock

MWO ..................... Modification work order

Numbers and Reference Numbers, find the pertinent

NAS ....................... National aircraft standard

federal stock number or reference number. This index

NC ......................... American national coarse thread

is in ascending federal stock number sequence followed

JEF ........................ American national extra fine thread

by a list of reference numbers in ascending

NF.......................... American national fine thread

alphamerical sequence, cross-referenced to the

NHA ....................... Next higher assembly

illustration figure number and item number.

NS ......................... American national special thread

O/A ........................ Over-all

(2) Second. Using the Repair Parts Listing,

OBS-AFT-

find the assembly group of the repair part and illustration

CMPL-W ................ Obsolete after compliance with

figure number and item number referenced in the Index

OBS-BY ................. Obsoleted by

of Federal Stock Numbers and Reference Numbers.

OBSLTS ................ Obsoletes

6. Abbreviations (Mnemonic Codes).

PC ......................... Piece

The following abbreviations and mnemonic codes are

PG ......................... Package

used:

PORM .................... Plus or minus

AN ......................... Air Force-Navy

PRFITM ................. Preferred item

ANPT ..................... Aeronautical national taper pipe

QUIL ...................... Quilt

thread

RBR ....................... Rubber

APPLTO ................ Applicable to

REWKTO............... Rework to

ASBES................... Asbestos

RMKS .................... Remarks

ASSYFR ................ Assemble from

RPL-BY.................. Replaced by

AV.......................... Twenty-five

RPLBLE ................. Replaceable item

AWG...................... American wire gage

RPLS ..................... Replaces

BE.......................... Bale

SE.......................... Set

BR ......................... Bar

SEC ....................... Section

BRKDWN............... Breakdown

SF .......................... Square foot

BT .......................... Bottle

SH ......................... Sheet

BTU ....................... British thermal unit(s)

SI ........................... Square inch

BX.......................... Box

SL .......................... Spool

CC ......................... Cubic centimeter(s)

SLD........................ Solid

CFM....................... Cubic feet per minute

SLV........................ Sleeve

CFS ....................... Cubic feet per second

SPEC ..................... Specification(s)

CHNL ..................... Channel

STR ....................... Strip

CI ........................... Cubic inch

SUB-IS................... Substitute is

CN ......................... Can

SUBFOR................ Substitute for

CNSWTH ............... Consolidated with

SX.......................... Stick

C/O ........................ Consists of (component of)

TCTM..................... Time compliance technical manual

COP....................... Copper

TERM. ................... Terminal

CP ......................... Candle power

TRNSTO ................ Transfer to

CRES..................... Corrosion resistant steel

TU.......................... Tube

CRK ....................... Cork

TYPDSG ................ Type designation

CW ........................ Continuous wave(s)

U/O ........................ Used on

DR ......................... Drum

USBL EFF.............. Usable effectivity

EA.......................... Each

USE-AFT-

FIG ........................ Figure

CMPL-W ................ Use after compliance with

FMC....................... Federal manufacturer's code

U/W ....................... Used with

FT .......................... Foot

W ........................... Wide, width

GL.......................... Gallon

W/ .......................... With

GPH....................... Gallons per hour

WHEN-EXHTD-

HD ......................... Hundred

RQTN-NHA ............ When exhausted requisition next

IN ........................... Inch

higher assembly

INSL....................... Insulation

W/O ....................... Without

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