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NSN 5310-00-674-6421, 5310006746421
WASHER,SHOULDERED

Federal Supply Classification
FSC 5310 - Nuts and Washers
National Item Identification Number
NIIN 006746421
Codification Country
United States
Item Name Code
INC 15934
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 5310-00-674-6421

National Stock Number (NSN) 5310-00-674-6421, or NIIN 006746421, (washer,shouldered) was assigned January 1, 1963 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 Nov 19, 2018. 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: SPE4A519F5971. The total value of the awarded contracts has been US$ 1,000.11.

This NSN is somewhat common among different platforms, belonging to 4 different weapons systems.

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 Sep 21, 2010, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. The Government does not have adequate data, lacks rights to data, or both, needed to purchase this part from additional sources. Valid AMCs: 1, 2, 3, 4 and 5.

This NSN is assigned to Item Name Code (INC) 15934. [A WASHER, ROUND IN SHAPE, AND HAVING A CENTRALLY LOCATED HOLE. ONE BEARING SURFACE IS FLAT AND UNBROKEN, THE OTHER SURFACE IS IN THE FORM OF A RAISED SHOULDER (BOSS) HAVING A FLAT BEARING SURFACE. THE THICKNESS OF THE SHOULDER (BOSS) MUST NOT EXCEED 25 PERCENT OF THE SHOULDER (BOSS) DIAMETER. FOR ITEMS HAVING A SHOULDER (BOSS) OF GREATER THICKNESS, USE BEARING, SLEEVE; BUSHING SLEEVE; OR SPACER, SLEEVE. EXCLUDES:INSULATOR, WASHER AND THRUST TYPE WASHERS.]. 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 5310006746421 contains an unknown precious metal.

This NSN is associated to Schedule B 7318220000: washers other than 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) 26.0 ROCKWELL C MINIMUM AND 33.0 ROCKWELL C MAXIMUM
HOLE DIAMETER
(AAUB) 0.500 INCHES NOMINAL
OUTSIDE DIAMETER
(ABKV) 0.880 INCHES NOMINAL
MATERIAL THICKNESS
(ABPX) 0.190 INCHES NOMINAL
MATERIAL
(MATT) STEEL CORROSION RESISTING OVERALL
SHOULDER DIAMETER
(AAVH) 0.609 INCHES MINIMUM AND 0.615 INCHES MAXIMUM
SHOULDER HEIGHT
(ABMG) 0.123 INCHES NOMINAL
STYLE DESIGNATOR
(STYL) SHOULDERED
SURFACE TREATMENT
(SFTT) PASSIVATE OVERALL

Manufacturer Part Numbers


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