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NSN 5310-01-056-7262, 5310010567262
WASHER,SPRING TENSION

Federal Supply Classification
FSC 5310 - Nuts and Washers
National Item Identification Number
NIIN 010567262
Codification Country
United States
Item Name Code
INC 15938
Criticality
(Y) This item does not have a nuclear hardened feature but does have other critical feature(s) 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 5310-01-056-7262

National Stock Number (NSN) 5310-01-056-7262, or NIIN 010567262, (washer,spring tension) was assigned February 28, 1978 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. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 3 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, there are no suppliers that are 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 14, 2018. There have been 14 contracts issued for this part number, with 17 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 3 different suppliers. The last contract numbers awarded were: SPE4A719V0446, SPE4A719V0163, SPE5EY18F414R, SPE5EY18F319A, SPE5EY18F169H. The total value of the awarded contracts has been US$ 64,321.08.

This NSN is somewhat common among different platforms, belonging to 2 different weapons systems.

There has been a small amount of 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 Dec 13, 2013, 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 but does have other critical feature(s) 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 5310010567262 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

CRITICALITY CODE JUSTIFICATION
(CRTL) FEAT
HOLE DIAMETER
(AAUB) 4.040 INCHES NOMINAL
OUTSIDE DIAMETER
(ABKV) 4.640 INCHES NOMINAL
OVERALL HEIGHT
(ABKW) 0.150 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) MIL-S-25043,COND A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL THICKNESS
(ABPX) 0.085 INCHES MINIMUM AND 0.095 INCHES MAXIMUM
MATERIAL
(MATT) STEEL COMP 630 OVERALL
SPECIAL FEATURES
(FEAT) ITEM IS NOT CSI BUT HAS CRITICAL FEATURE SUCH AS HEAT TREATMENT,SURFACE FINISH,OR MATERIAL TYPE AND SPECIAL INSPECTION REQUIREMENTS SUCH AS MAGNETIC PARTICLE INSPECTION OR FLUORESCENT PENETRANT INSPECTION
STYLE DESIGNATOR
(STYL) SPRING TENSION
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION
(STDC) MIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT
(SFTT) PASSIVATE OVERALL

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