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NSN 5310-00-121-8920, 5310001218920
NUT,SELF-LOCKING,BARREL

Federal Supply Classification
FSC 5310 - Nuts and Washers
National Item Identification Number
NIIN 001218920
Codification Country
United States
Item Name Code
INC 15891
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 5310-00-121-8920

National Stock Number (NSN) 5310-00-121-8920, or NIIN 001218920, (nut,self-locking,barrel) was assigned October 25, 1968 in the Federal Logistics Information System (FLIS). NIIN 001218920 was cancelled on December 15, 2017, with a cancelled status of "Item is Cancelled - Inactive." There is no known replacement specified for this stock number. 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, 2 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 assigned to Item Name Code (INC) 15891. [A NUT OF CYLINDRICAL OR PARTLY CYLINDRICAL CROSS-SECTION WITH INTEGRAL THREADS PERPENDICULAR TO THE AXIAL CENTERLINE. ENDS MAY BE FLAT OR FLANGED. AN INTEGRAL FEATURE IS INCORPORATED FOR LOCKING ON THE THREADS OF A MATING MEMBER. EXCLUDES:NUT (1), SELF-LOCKING, ROUND.]. 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 5310001218920 contains an unknown precious metal.

This information was last updated on .


Technical Characteristics

UNABLE TO DECODE
(CBBL) UNABLE TO DECODE
HARDNESS RATING
(CQFM) 40.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM
NOMINAL THREAD SIZE
(CQJX) 0.500 INCHES
UNABLE TO DECODE
(MDCL) UNABLE TO DECODE
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION
(STDC) AMS 2416 ASSN STD ALL TREATMENT RESPONSES OVERALL
THREAD DIRECTION
(AAJF) RIGHT-HAND
THREAD QUANTITY PER INCH
(CMLP) 20
THREAD CLASS
(AAJD) 3B
UNABLE TO DECODE
(ACTD) UNABLE TO DECODE AND UNABLE TO DECODE
UNABLE TO DECODE
(CQJX) UNABLE TO DECODE
UNABLE TO DECODE
(AAUM) UNABLE TO DECODE
UNABLE TO DECODE
(ACTA) UNABLE TO DECODE
BARREL HEIGHT
(ADBA) 0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM
UNABLE TO DECODE
(AAJF) UNABLE TO DECODE
NUT DIAMETER
(ACTD) 1.177 INCHES MINIMUM AND 1.180 INCHES MAXIMUM
UNABLE TO DECODE
(AAJD) UNABLE TO DECODE
LOCKING FEATURE
(AAUM) PREVAILING TORQUE ALL METAL DESIGN
NUT STYLE
(ACTA) FLOATING SELF-LOCKING BARREL
THREAD SERIES
(BZRR) UNJF
SURFACE TREATMENT
(SFTT) NICKEL OVERALL AND CADMIUM OVERALL
UNABLE TO DECODE
(STDC) UNABLE TO DECODE
NUT COUNTERBORE DEPTH
(ADFK) 0.312 INCHES MINIMUM NUT AND 0.332 INCHES MAXIMUM NUT
FEATURES PROVIDED
(CBBL) FLOATING NUT
UNABLE TO DECODE
(CMLP) UNABLE TO DECODE
MATERIAL
(MATT) STEEL COMP H11 OVERALL
NUT LENGTH
(ACVN) 0.870 INCHES MINIMUM AND 0.890 INCHES MAXIMUM
UNABLE TO DECODE
(ACVN) UNABLE TO DECODE AND UNABLE TO DECODE
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) AMS 6485 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
COUNTERBORE DIAMETER
(AAWY) 0.550 INCHES MINIMUM NUT AND 0.560 INCHES MAXIMUM NUT
UNABLE TO DECODE
(BZRR) UNABLE TO DECODE
NUT HEIGHT
(ADEA) 1.067 INCHES NOMINAL
UNABLE TO DECODE
(CQFM) UNABLE TO DECODE AND UNABLE TO DECODE
UNABLE TO DECODE
(MATT) UNABLE TO DECODE
UNABLE TO DECODE
(ADBA) UNABLE TO DECODE AND UNABLE TO DECODE
UNABLE TO DECODE
(ADEA) UNABLE TO DECODE

Manufacturer Part Numbers


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