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NSN 5310-01-295-3042, 5310012953042
NUT,SELF-LOCKING,HEXAGON

Federal Supply Classification
FSC 5310 - Nuts and Washers
National Item Identification Number
NIIN 012953042
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 5310-01-295-3042

National Stock Number (NSN) 5310-01-295-3042, or NIIN 012953042, (nut,self-locking,hexagon) was assigned March 3, 1989 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 Aug 21, 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: SPE5E718V5797. The total value of the awarded contracts has been US$ 177.00.

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 Apr 26, 2008, 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 annual buy value of this part falls below the screening threshold of $10,000 but it has been screened for known source(s). (NOTE: This code shall not be used when screening parts entering the inventory. It shall not be assigned in preference to or supersede any other AMSC.) Valid AMCs: 1, 2, 3, 4 and 5.

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 5310012953042 does not contain precious metals.

This information was last updated on .


Technical Characteristics

BEARING SURFACE TYPE
(CRTM) CHAMFERED OR WASHER FACED
COUNTERSINK ANGLE
(CRSQ) 89.5 DEGREES MINIMUM NUT AND 90.5 DEGREES MAXIMUM NUT
NOMINAL THREAD SIZE
(CQJX) 1.625 INCHES
NUT STYLE
(ACTA) HEXAGON
NUT HEIGHT
(ADEA) 0.391 INCHES MINIMUM AND 0.422 INCHES MAXIMUM
LOCKING FEATURE
(AAUM) PREVAILING TORQUE WITH NONMETALLIC INSERT
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) QQ-A-225/4 FED SPEC 1ST MATERIAL RESPONSE OVERALL EXCEPT INSERT OR QQ-A-225/6 FED SPEC 2ND MATERIAL RESPONSE OVERALL EXCEPT INSERT
MATERIAL
(MATT) ALUMINUM ALLOY 7075 OVERALL EXCEPT INSERT OR ALUMINUM ALLOY 2024 OVERALL EXCEPT INSERT
MATERIAL
(MATT) PLASTIC POLYAMIDE LOCKING INSERT
THREAD CLASS
(AAJD) 3B
THREAD DIRECTION
(AAJF) RIGHT-HAND
THREAD SERIES
(BZRR) UN
THREAD QUANTITY PER INCH
(CMLP) 12
WIDTH ACROSS FLATS
(ASDB) 1.922 INCHES MINIMUM AND 1.954 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION
(STDC) MIL-A-8625,TYPE2,CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL EXCEPT INSERT
SURFACE TREATMENT
(SFTT) ANODIZE OVERALL EXCEPT INSERT

Manufacturer Part Numbers


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