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Part Number

Part Number:
NSN:
NIIN:
Item Name:
SPACER , SPECIAL SHAPED

Definition:

A METALLIC OR NONMETALLIC ITEM OF VARIOUS PERIPHERAL SHAPES AND A SOLID CROSS-SECTION. IT IS DESIGNED TO MAINTAIN A PREDETERMINED DISTANCE BETWEEN TWO SURFACES. IT MAY HAVE FLAT PARALLEL BEARING SURFACES. DO NOT USE IF A MORE SPECIFIC NAME APPLIES. SEE ALSO SPACER, RING; SPACER, PLATE; SPACER, SLEEVE; SPACER, STEPPED; SHIM AND WASHER, FLAT.

CAGE Information

Code Company
43999 BOEING COMPANY THE DBA BOEING DIV DE

Federal Supply Class

Title

BUSHINGS, RINGS, SHIMS, AND SPAC

Inclusions:

INCLUDES EXTERNALLY THREADED RINGS; KEYED AND SERRATED LOCK RINGS; DEE RINGS; INSTRUMENT RETAINING RINGS; SHIM SETS AND ASSORTMENTS; PLATE SPACERS; RING SPACERS; SLEEVE SPACERS; STEPPED SPACERS; SPACER SETS AND ASSORTMENTS; SLEEVE BUSHINGS; MACHINE THREADED BUSHINGS; MACHINE THREADED PLUGS.

Exclusions:

EXCLUDES SLEEVE BEARINGS (FSC 3120); PIPE THREADED PLUGS (FSC 4730); PISTON RINGS (FSC 2520, 2805, 2810, 2815, 2825, 2990, 3040, 4310, AND 4820); RETAINING RINGS (FSC 5325); SHIM STOCK (FSC 9515).

Characteristics (Decoded)

MRC Requirements Statement Clear Text Reply
ABHE OUTSIDE DIAMETER 25.870 INCHES NOMINAL
ADUM OVERALL THICKNESS 0.125 INCHES NOMINAL
FEAT SPECIAL FEATURES BOLT HOLES ARE EQUALLY SPACED ALONG SIDE OF SPACER; HAS NOMINAL SPLIT OF 0.120 IN. AT ONE POINT OF SPACER.
MDCL MATERIAL DOCUMENT AND CLASSIFICATION QQ-A-250/5 FED SPEC SINGLE MATERIAL RESPONSE
AECS BOLT HOLE QUANTITY 31
AHNX BOLT HOLE DIAMETER 0.281 INCHES NOMINAL
AARX INSIDE DIAMETER 25.620 INCHES NOMINAL
ABHC OVERALL WIDTH 1.000 INCHES NOMINAL
MATT MATERIAL ALUMINUM ALLOY 2024

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