NSN 5310-01-267-3638, 5310012673638
NUT ASSEMBLY,SELF-LOCKING,GANG C

Federal Supply Classification: FSC 5310 - Nuts and Washers
National Item Identification Number: NIIN 012673638
Codification Country: United States
Item Name Code: INC 01864
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.

Availability: Readily Available Qualified Suppliers: Currently qualifying suppliers

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DLMS^® Summary

National Stock Number 5310-01-267-3638

National Stock Number (NSN) 5310-01-267-3638, or NIIN 012673638, (nut assembly,self-locking,gang c) was assigned November 10, 1987 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 3 suppliers. Today, 3 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 3 suppliers 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 Feb 13, 2019. There have been 2 contracts issued for this part number, with 2 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 2 different suppliers. The last contract numbers awarded were: SPE5E719V2627, SPE5E719P0733. The total value of the awarded contracts has been US$ 12,047.58.

This NSN is somewhat common among different platforms, belonging to 9 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 Jan 02, 2020, this NSN's acquisition method was noted as: Not established. Not established.

This NSN is assigned to Item Name Code (INC) 01864. [AN ITEM COMPOSED OF A SPECIALLY DESIGNED CHANNEL AND A SERIES OF NUTS HAVING INTEGRAL SELF-LOCKING FEATURES ASSEMBLED IN PREDETERMINED SPACING.]. 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 5310012673638 contains an unknown precious metal.

This information was last updated on Jul 01, 2025.

Technical Characteristics

NUT HEIGHT: (ADEA) 0.230 NOMINAL CENTIMETERS
ASSEMBLY OVERALL HEIGHT: (ADFF) 0.230 INCHES MAXIMUM
CHANNEL STYLE: (ADFE) STRAIGHT TYPE
LOCKING FEATURE: (AAUM) PREVAILING TORQUE ALL METAL DESIGN
OVERALL LENGTH: (ABHP) 70.700 INCHES NOMINAL
OVERALL WIDTH: (ABMK) 0.474 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATION: (MDCL) QQ-A-250/13 FED SPEC SINGLE MATERIAL RESPONSE CHANNEL
MATERIAL: (MATT) ALUMINUM ALLOY 7075 CHANNEL
NOMINAL THREAD SIZE: (CQJX) 0.190 INCHES
NUT QUANTITY: (AZXC) 2
NUT SPACING: (ADFH) 1.250 INCHES NOMINAL
NUT STYLE: (ACTA) GANG CHANNEL, SELF LOCKING
SPECIAL FEATURES: (FEAT) BORE DEPTH 0.063 IN.
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: (STDC) MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE CHANNEL
SURFACE TREATMENT: (SFTT) ANODIZE CHANNEL
THREAD DIRECTION: (AAJF) RIGHT-HAND
THREAD CLASS: (AAJD) 3B
THREAD SERIES: (BZRR) UNJF
THREAD QUANTITY PER INCH: (CMLP) 32
NUT STYLE: (ACTA) A20 GANG CHANNEL, SELF LOCKING