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NSN 5310-00-379-8818, 5310003798818
WASHER,SPRING TENSION

Federal Supply Classification
FSC 5310 - Nuts and Washers
National Item Identification Number
NIIN 003798818
Codification Country
United States
Item Name Code
INC 15938
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 5310-00-379-8818

National Stock Number (NSN) 5310-00-379-8818, or NIIN 003798818, (washer,spring tension) was assigned March 21, 1974 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There are 2 manufacturer part numbers associated with this NSN. One of those 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 a year. There have been 2 contracts issued for this part number, with 2 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 2 different suppliers. The last contract numbers awarded were: SPM5E120FA577, SPE5E715V5710, SPE5E715V5710. The total value of the awarded contracts has been US$ 438.31.

This NSN is unique to one weapons system.

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 Jun 02, 2005, 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) 15938. [A BENT SPRING METAL WASHER WITH A CENTRALLY LOCATED HOLE. IT IS DESIGNED TO EXERT PRESSURE AXIALLY WHEN ASSEMBLED IN PLACE.]. 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 5310003798818 contains an unknown precious metal.

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

HARDNESS RATING
(CQFM) 48.0 ROCKWELL C MINIMUM
HEAT TREATMENT
(HEAT) AS FABRICATED
HOLE DIAMETER
(AAUB) 0.520 INCHES MINIMUM AND 0.530 INCHES MAXIMUM
OUTSIDE DIAMETER
(ABKV) 0.610 INCHES MINIMUM AND 0.620 INCHES MAXIMUM
OVERALL HEIGHT
(ABKW) 0.033 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) AMS 5529 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL THICKNESS
(ABPX) 0.008 INCHES NOMINAL
MATERIAL
(MATT) STEEL COMP 631 OVERALL

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