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NSN 5310-01-072-8256, 5310010728256
WASHER,KEY

Federal Supply Classification
FSC 5310 - Nuts and Washers
National Item Identification Number
NIIN 010728256
Codification Country
United States
Item Name Code
INC 01869
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 5310-01-072-8256

National Stock Number (NSN) 5310-01-072-8256, or NIIN 010728256, (washer,key) was assigned March 4, 1979 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There are no manufacturer part numbers associated to this NSN.

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

Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Mar 02, 2006, this NSN's acquisition method was noted as: Not established. Not established.

This NSN is assigned to Item Name Code (INC) 01869. [A WASHER OF NONRESILIENT MATERIAL USUALLY HAVING TWO PARALLEL BEARING SURFACES. THE OUTSIDE AND/OR INSIDE EDGES HAVE ONE OR MORE PROTUBERANCES. THE ENDS AND/OR EDGES MAY BE PREBENT AT ANY ANGLE OR THE PROTUBERANCES MAY BE PREBENT AT ANY ANGLE TO THE BEARING SURFACES. THE KEYS OR LUGS MAY BE FITTED INTO KEYWAYS IN ADJACENT MATERIAL OR THEY MAY BE BENT OVER AFTER APPLICATION TO HOLD OR LOCK ONE OR MORE ITEMS IN PLACE. EXCLUDES:THRUST TYPE WASHER.]. 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 5310010728256 does not contain precious metals.

This NSN is associated to Schedule B 7415210000: copper washers including spring washers not threaded. 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

III MATERIAL
(MATT) COPPER ALLOY 268 OVERALL
DISTANCE FROM CENTERLINE TO INSIDE OF PREBENT KEY
(ABLS) 0.016 INCHES NOMINAL
EXTERNAL PREBENT KEY LENGTH
(ABKY) 0.025 INCHES MINIMUM AND 0.030 INCHES MAXIMUM
EXTERNAL PREBENT KEY WIDTH
(ABLF) 0.110 INCHES MINIMUM AND 0.120 INCHES MAXIMUM
HOLE DIAMETER
(AAUB) 0.247 INCHES MINIMUM AND 0.250 INCHES MAXIMUM
OUTSIDE DIAMETER
(ABKV) 0.740 INCHES MINIMUM AND 0.750 INCHES MAXIMUM
OVERALL DISTANCE INCLUDING KEYS
(ABLX) 0.400 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) QQ-B-613 1/2 H FED SPEC SINGLE MATERIAL RESPONSE OR QQ-B-626 1/2 H FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL THICKNESS
(ABPX) 0.024 INCHES MINIMUM AND 0.025 INCHES MAXIMUM
MATERIAL
(MATT) COPPER ALLOY 268 OVERALL
STYLE DESIGNATOR
(STYL) KEY

Manufacturer Part Numbers


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