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NSN 5310-01-377-0890, 5310013770890
WASHER,LOCK

Federal Supply Classification
FSC 5310 - Nuts and Washers
National Item Identification Number
NIIN 013770890
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 5310-01-377-0890

National Stock Number (NSN) 5310-01-377-0890, or NIIN 013770890, (washer,lock) was assigned July 2, 1993 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There are 3 manufacturer part numbers 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, with the most recent procurement date of Nov 09, 2016. There has been one contract issued for this part number, with one award given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPE5E817P0460. The total value of the awarded contracts has been US$ 259.60.

This NSN is fairly common among different weapons systems, belonging to 13 different platforms.

There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 01, 2020, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The Government has unlimited rights to the technical data, and the data package is complete. Valid AMCs: 1 and 2.

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 5310013770890 does not contain precious metals.

This NSN is associated to Schedule B 7318210000: spring washers and other lock washers, iron or steel. 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

MATERIAL
(MATT) STEEL COMP 1050 OVERALL OR STEEL COMP 1095 OVERALL
HARDNESS RATING
(CQFM) 45.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM
HOLE DIAMETER
(AAUB) 10.2 MILLIMETERS MINIMUM AND 10.7 MILLIMETERS MAXIMUM
OUTSIDE DIAMETER
(ABKV) 18.1 MILLIMETERS MAXIMUM
MATERIAL THICKNESS
(ABPX) 2.2 MILLIMETERS MINIMUM AND 2.3 MILLIMETERS MAXIMUM
MATERIAL
(MATT) STEEL COMP 1050 OR STEEL COMP 1095 OVERALL
STYLE DESIGNATOR
(STYL) SPLIT HELICAL-RIGHT HAND
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION
(STDC) QQ-P-416 TY2 CL2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT
(SFTT) CADMIUM AND CHROMATE OVERALL
SURFACE TREATMENT
(SFTT) CADMIUM OVERALL AND CHROMATE OVERALL

Manufacturer Part Numbers


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8-89-08056
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WASHER,LOCK
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X21-908-056
Condition FN
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