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NSN 5310-00-347-8422, 5310003478422
WASHER,SPRING TENSION

Federal Supply Classification
FSC 5310 - Nuts and Washers
National Item Identification Number
NIIN 003478422
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 5310-00-347-8422

National Stock Number (NSN) 5310-00-347-8422, or NIIN 003478422, (washer,spring tension) was assigned January 24, 1974 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, with the most recent procurement date of Jan 11, 2016. There have been 2 contracts issued for this part number, with 2 awards given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPE5E716V1508, SPE5E714V5223. The total value of the awarded contracts has been US$ 1,230.20.

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 5310003478422 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

HOLE DIAMETER
(AAUB) 0.570 INCHES MINIMUM AND 0.590 INCHES MAXIMUM
OUTSIDE DIAMETER
(ABKV) 0.852 INCHES MINIMUM AND 0.862 INCHES MAXIMUM
OVERALL HEIGHT
(ABKW) 0.080 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) AMS 5529 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL THICKNESS
(ABPX) 0.010 INCHES NOMINAL
MATERIAL
(MATT) STEEL COMP 631 OVERALL
SURFACE FINISH
(CSYM) 63.0 MICROINCHES ALL SURFACES

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