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NSN 5310-00-274-8880, 5310002748880
Cancelled -> Replaced by 5310008503892

Federal Supply Classification
FSC 5310 - Nuts and Washers
National Item Identification Number
NIIN 002748880
Codification Country
United States
Item Name Code
INC 05277
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 5310-00-274-8880

National Stock Number (NSN) 5310-00-274-8880, or NIIN 002748880, (nut,self-locking,hexagon) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 2 stock numbers: 5310008503892, 5310002073192.

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 one supplier. Today, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, there are no suppliers that are 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 6 contracts issued for this part number, with 6 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: SPE4A521V2706, SPE5E221V1504, SPE5E221V1504, SPE5E821V1876, SPE5E821V1876. The total value of the awarded contracts has been US$ 33,292.80.

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 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) 05277. [A NUT HAVING A FLAT BOTTOM AND 6 SIDES. AN INTEGRAL FEATURE IS INCORPORATED FOR LOCKING ON THE THREADS OF A MATING MEMBER. EXCLUDES:NUT (1), SELF-LOCKING, CAP.]. 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 5310002748880 contains an unknown precious metal.

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

TEMP RATING
(AZKQ) 550.0 DEG FAHRENHEIT NOMINAL
SURFACE TREATMENT
(SFTT) CADMIUM OVERALL OR ZINC OVERALL
BEARING SURFACE FINISH
(CSXL) 125.0 MICROINCHES
BEARING SURFACE TYPE
(CRTM) CHAMFERED OR WASHER FACED
LOCKING FEATURE
(AAUM) PREVAILING TORQUE ALL METAL DESIGN
MATERIAL
(MATT) STEEL OVERALL
NOMINAL THREAD SIZE
(CQJX) 0.375 INCHES
NUT STYLE
(ACTA) HEXAGON
NUT HEIGHT
(ADEA) 0.453 INCHES MINIMUM AND 0.469 INCHES MAXIMUM
WIDTH ACROSS FLATS
(ASDB) 0.553 INCHES MINIMUM AND 0.565 INCHES MAXIMUM
SURFACE TREATMENT
(SFTT) CADMIUM OR ZINC OVERALL
TEMP RATING
(AZKQ) 550.0 FAHRENHEIT NOMINAL
THREAD CLASS
(AAJD) 3B
THREAD DIRECTION
(AAJF) RIGHT-HAND
THREAD QUANTITY PER INCH
(CMLP) 16
THREAD SERIES
(BZRR) UNC

Manufacturer Part Numbers


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