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NSN 5310-01-056-8763, 5310010568763
NUT,SELF-LOCKING,DOUBLE HEXAGON

Federal Supply Classification
FSC 5310 - Nuts and Washers
National Item Identification Number
NIIN 010568763
Codification Country
United States
Item Name Code
INC 05276
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 5310-01-056-8763

National Stock Number (NSN) 5310-01-056-8763, or NIIN 010568763, (nut,self-locking,double hexagon) was assigned March 3, 1978 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There are 3 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 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.

This NSN is somewhat common among different platforms, belonging to 3 different weapons systems.

Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Aug 02, 2005, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) This part requires engineering source approval by the design control activity in order to maintain the quality of the part. An alternate source must qualify in accordance with the design control activity's procedures, as approved by the cognizant Government engineering activity. Valid AMCs: 1, 2, 3, 4 and 5.

This NSN is assigned to Item Name Code (INC) 05276. [A NUT HAVING 12 DRIVE POINTS AND 24 SIDES. THE BEARING SURFACE MAY BE WASHER FACED. AN INTEGRAL LOCKING FEATURE IS INCORPORATED IN THE DESIGN OF THE HEAD OR IN THE THREADS.]. 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 5310010568763 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

BEARING SURFACE TYPE
(CRTM) CHAMFERED
HARDNESS RATING
(CQFM) 40.0 ROCKWELL C MINIMUM AND 44.0 ROCKWELL C MAXIMUM
NOMINAL THREAD SIZE
(CQJX) 0.250 INCHES
NUT HEIGHT
(ADEA) 0.238 INCHES NOMINAL
LOCKING FEATURE
(AAUM) PREVAILING TORQUE ALL METAL DESIGN
LUBRICATION
(ABAJ) DRY FILM LUBRICANT
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) AMS 6487 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL
(MATT) STEEL COMP H11 OVERALL
SPECIAL FEATURES
(FEAT) NUT IS CASTELLATED WITH SIX SLOTS EQUALLY SPACED 0.090 IN. W,0.091 DEEP
THREAD CLASS
(AAJD) 3B
THREAD DIRECTION
(AAJF) RIGHT-HAND
THREAD SERIES
(BZRR) UNJF
THREAD QUANTITY PER INCH
(CMLP) 28
WIDTH ACROSS FLATS
(ASDB) 0.120 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION
(STDC) MIL-C-8337,TYPE II,CL 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT
(SFTT) CADMIUM OVERALL

Manufacturer Part Numbers


Related Inventory

78238-428
Readily Available


 
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