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NSN 5310-00-034-5298, 5310000345298
WASHER,LOCK

Federal Supply Classification
FSC 5310 - Nuts and Washers
National Item Identification Number
NIIN 000345298
Codification Country
United States
Item Name Code
INC 14218
Criticality
(X) This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Hazardous Material Indicator Code
(N) There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials.
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DLMS® Summary

National Stock Number 5310-00-034-5298

National Stock Number (NSN) 5310-00-034-5298, or NIIN 000345298, (washer,lock) was assigned November 15, 1967 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There is only one manufacturer part number associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. Today, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, only one supplier is deemed design controlled or valid supply parts.

This part number has not been procured by the US Government in over 5 years.

This NSN is assigned to Item Name Code (INC) 14218. [A WASHER, USUALLY ROUND, WITH A CENTRALLY-LOCATED HOLE. ITS EDGES AND TWO BEARING SURFACES ARE DESIGNED IN SUCH A WAY THAT APPLIED PRESSURE BRINGS INTO PLAY THE SPRING TENSION AND/OR FRICTIONAL LOCKING PRINCIPLE THAT MATERIALLY RESISTS ANY TENDENCY TOWARD TURNING. IT MAY BE MADE OF ONE OR TWO PIECES.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 5310000345298 contains an unknown precious metal.

This NSN is associated to Schedule B 7616108000: cotters, cotter-pins, washers and similar articles, of aluminum. The Schedule B End Use is listed as finished metal shapes. NAICS classification category 332722: bolt, nut, screw, rivet, and washer manufacturing.

This information was last updated on .


Technical Characteristics

HEAT TREATMENT
(HEAT) T-4 SOLUTION HEAT TREATED, NATURAL AGED
HOLE DIAMETER
(AAUB) 0.312 INCHES MINIMUM AND 0.313 INCHES MAXIMUM
NONDEFINITIVE SPEC/STD DATA
(ZZZT) 4029-78286 SUBCLASS
OUTSIDE DIAMETER
(ABKV) 0.734 INCHES MINIMUM AND 0.766 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) QQ-A-225/6 TEMPER T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL
(MATT) ALUMINUM ALLOY 2024 OVERALL
SPECIAL FEATURES
(FEAT) SERRATED TEETH LOCKING FEATURE,0.027 MIN,0.033 DEPTH,60 DEG ANGLE TEETH LOCATED ON ONE BEARING SURFACE
SURFACE FINISH
(CSYM) 100.0 MICROINCHES ALL SURFACES
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION
(STDC) MIL-P-8585 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT
(SFTT) ZINC OVERALL AND CHROMATE OVERALL
III HEAT TREATMENT
(HEAT) T-4 SOLUTION HEAT TREATED, NATURAL AGED

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