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NSN 5310-01-264-5908, 5310012645908
NUT,SELF-LOCKING,EXTENDED WASHER

Federal Supply Classification
FSC 5310 - Nuts and Washers
National Item Identification Number
NIIN 012645908
Codification Country
United States
Item Name Code
INC 29729
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 5310-01-264-5908

National Stock Number (NSN) 5310-01-264-5908, or NIIN 012645908, (nut,self-locking,extended washer) was assigned October 5, 1987 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 2 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, only one supplier is deemed design controlled or valid supply parts. ISO Group has several sources of supply for this NSN.

This part number has not been procured by the US Government in over a year. There have been 10 contracts issued for this part number, with 16 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 5 different suppliers. The last contract numbers awarded were: SPE5E720P1522, SPE5E720P1522, SPE5E719P0741, SPE5E718P3463, SPE5E718P0476. The total value of the awarded contracts has been US$ 108,288.61.

This NSN is unique to one weapons system.

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 Apr 17, 2013, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The data or the rights to use the data needed to purchase this part from additional sources are not owned by the Government and it has been determined that it is uneconomical to purchase them. Valid AMCs: 1, 2, 3, 4 and 5.

This NSN is assigned to Item Name Code (INC) 29729. [A NUT HAVING 12 DRIVE POINTS, 24 SIDES, AND AN INTEGRAL WASHER WHICH EXTENDS BEYOND THE POINTS OR PERIPHERY. AN INTEGRAL FEATURE IS INCORPORATED FOR LOCKING ON THE THREADS OF A MATING MEMBER.]. 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 5310012645908 contains silver.

This NSN is associated to Schedule B 7318160000: nuts of 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

LOCKING FEATURE
(AAUM) PREVAILING TORQUE ALL METAL DESIGN
OVERALL HEIGHT
(ABKW) 0.402 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL
(MATT) IRON ALLOY 660 OVERALL
NOMINAL THREAD SIZE
(CQJX) 0.375 INCHES
NUT STYLE
(ACTA) DOUBLE HEXAGON
PRECIOUS MATERIAL AND LOCATION
(PMLC) OVERALL SILVER
PRECIOUS MATERIAL
(PRMT) SILVER
WASHER OUTSIDE DIAMETER
(AAVX) 0.550 INCHES MINIMUM
WASHER THICKNESS
(ADEM) 0.058 INCHES MINIMUM
WIDTH ACROSS FLATS
(ASDB) 0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION
(STDC) AMS 2410 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT
(SFTT) SILVER OVERALL
THREAD CLASS
(AAJD) 3B
THREAD DIRECTION
(AAJF) RIGHT-HAND
THREAD QUANTITY PER INCH
(CMLP) 24
THREAD SERIES
(BZRR) UNJF

Manufacturer Part Numbers


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