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NIIN Output Data

NIIN:
NSN:
Item Name:
SPACER , PLATE

Definition:

A FLAT METAL OR PLASTIC ITEM OF VARIOUS PERIPHERAL SHAPES HAVING A SOLID (NOT LAMINATED) CROSS-SECTION. IT IS DESIGNED TO MAINTAIN A PREDETERMINED DISTANCE BETWEEN TWO SURFACES. FOR ROUND ITEMS WITHOUT A HOLE HAVING A SOLID RECTANGULAR CROSS-SECTION USE DISK, SOLID, PLAIN. FOR ROUND OR HEXAGONAL ITEMS WITH ONLY ONE HOLE CENTRALLY LOCATED AND WITH THE LENGTH (THICKNESS) EXCEEDING 25 PERCENT OF THE OUTSIDE DIAMETER OR DISTANCE ACROSS PERIPHERAL FLATS, SEE SPACER, SLEEVE. THE THICKNESS BETWEEN THE TWO PARALLEL BEARING SURFACES MUST BE 0.006 INCH, (0.152 MM) OR MORE FOR ITEMS LESS THAN 1/4 INCH (6.35 MM) ACROSS THE PERIPHERAL DIAMETER, OR SMALLEST OVERALL OUTSIDE DIMENSION, OR MUST BE 0.016 INCH (0.406 MM) OR MORE FOR ITEMS 1/4 INCH (6.35 MM) OR GREATER ACROSS THE PERIPHERAL DIAMETER OR SMALLEST OVERALL OUTSIDE DIMENSION. FOR ITEMS WITH A THICKNESS LESS THAN THOSE INDICATED ABOVE, SEE SHIM. FOR ITEMS WITH ONE HOLE CENTRALLY LOCATED CONFORMING TO THE ABOVE DIMENSIONAL CRITERIA USE WASHER, FLAT OR SPACER, RING AS APPLICABLE. WHEN THICKNESS AND/OR OUTSIDE DIAMETER OR SMALLEST OVERALL OUTSIDE DIMENSION IS DESIGNATED AS A TOLERANCE/DIMENSION THE MAXIMUM DIMENSION WILL BE USED TO DETERMINE COMPLIANCE. EXCLUDES GASKET; INSULATOR (AS MODIFIED) AND MOUNTING PAD, ELECTRICAL-ELECTRONIC COMPONENT.

Reference/Part Number

Part Number CAGE Status RNCC RNVC DAC RNAAC MSDS SADC
2121807 10001 A 3 9 A KZ
2121807 53711 A 3 2 5 ZZ
2121807 34635 A 5 2 5 KZ

CAGE Information

Code Company
10001 NAVAIR AND NAVSEA MANAGED ORIGINAL D
53711 NAVAL SEA SYSTEMS COMMAND
34635 RIDGE MACHINE SHOP INC

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
SFTT SURFACE TREATMENT PHOSPHATE
CWQP SMALLEST BOLT HOLE QUANTITY 4
ADUY CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG WIDTH 2.375 INCHES NOMINAL
MATT MATERIAL STEEL COMP 1020
ABHP OVERALL LENGTH 4.250 INCHES NOMINAL
BYWW SMALLEST BOLT HOLE DIAMETER 0.469 INCHES NOMINAL
BYWX LARGEST BOLT HOLE DIAMETER 0.656 INCHES NOMINAL
STDC SURFACE TREATMENT DOCUMENT AND CLASSIFICATION DOD-P-16232 MIL SPEC SINGLE TREATMENT RESPONSE
CWQZ LARGEST BOLT HOLE QUANTITY 2
MDCL MATERIAL DOCUMENT AND CLASSIFICATION ASTM A108 ASSN STD SINGLE MATERIAL RESPONSE
ADVE OUTSIDE EDGE TO BOLT HOLE CENTER DISTANCE ALONG LENGTH 0.937 INCHES NOMINAL
ADVD OUTSIDE EDGE TO BOLT HOLE CENTER DISTANCE ALONG WIDTH 0.812 INCHES NOMINAL
ADUM OVERALL THICKNESS 0.437 INCHES NOMINAL
ABMK OVERALL WIDTH 3.750 INCHES NOMINAL
ADUZ CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG LENGTH 2.375 INCHES NOMINAL

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