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NSN 5310-00-192-0430, 5310001920430
NUT,SELF-LOCKING,DOUBLE HEXAGON

Federal Supply Classification
FSC 5310 - Nuts and Washers
National Item Identification Number
NIIN 001920430
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.
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DLMS® Summary

National Stock Number 5310-00-192-0430

National Stock Number (NSN) 5310-00-192-0430, or NIIN 001920430, (nut,self-locking,double hexagon) was assigned February 5, 1969 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.

This NSN is somewhat common among different platforms, belonging to 4 different weapons systems.

Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 25, 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) 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 5310001920430 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) FLAT OR CHAMFERED
HARDNESS RATING
(CQFM) 38.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM
LOCKING FEATURE
(AAUM) PREVAILING TORQUE ALL METAL DESIGN
LUBRICATION
(ABAJ) SOLUBLE LUBRICANT
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) AMS 6304 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL
(MATT) STEEL COMP 601 OVERALL
NOMINAL THREAD SIZE
(CQJX) 0.438 INCHES
NUT HEIGHT
(ADEA) 0.344 INCHES MAXIMUM
NUT STYLE
(ACTA) DOUBLE HEXAGON
WIDTH ACROSS FLATS
(ASDB) 0.679 INCHES MINIMUM AND 0.690 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION
(STDC) AMS 2416 ASSN STD ALL TREATMENT RESPONSES OVERALL
SURFACE TREATMENT
(SFTT) NICKEL AND CADMIUM OVERALL
TEMP RATING
(AZKQ) 900.0 FAHRENHEIT NOMINAL
THREAD DIRECTION
(AAJF) RIGHT-HAND
THREAD CLASS
(AAJD) 3B
THREAD SERIES
(BZRR) UNJF
THREAD QUANTITY PER INCH
(CMLP) 20
TEMP RATING
(AZKQ) 900.0 DEG FAHRENHEIT NOMINAL
SURFACE TREATMENT
(SFTT) NICKEL OVERALL AND CADMIUM OVERALL

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