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NSN 5310-00-818-7659, 5310008187659
NUT,SELF-LOCKING,DOUBLE HEXAGON

Federal Supply Classification
FSC 5310 - Nuts and Washers
National Item Identification Number
NIIN 008187659
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 5310-00-818-7659

National Stock Number (NSN) 5310-00-818-7659, or NIIN 008187659, (nut,self-locking,double hexagon) was assigned January 1, 1962 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. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 4 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.

Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Mar 02, 2006, 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 Government physically does not have in its possession sufficient, accurate, or legible data to purchase this part from other than current source(s). (NOTE: This code is applicable only to parts under immediate buy requirements and only as long as the deficiency is under review for resolution and appropriate recoding.) 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 5310008187659 contains silver.

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
LOCKING FEATURE
(AAUM) PREVAILING TORQUE ALL METAL DESIGN
LUBRICATION
(ABAJ) DRY FILM LUBRICANT
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) AMS 5735 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL
(MATT) IRON ALLOY 660 OVERALL
NOMINAL THREAD SIZE
(CQJX) 0.250 INCHES
NUT HEIGHT
(ADEA) 0.328 INCHES MAXIMUM
NUT STYLE
(ACTA) DOUBLE HEXAGON
PRECIOUS MATERIAL
(PRMT) SILVER
WIDTH ACROSS FLATS
(ASDB) 0.306 INCHES MINIMUM AND 0.315 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION
(STDC) AMS 2410 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT
(SFTT) SILVER OVERALL
THREAD DIRECTION
(AAJF) RIGHT-HAND
THREAD CLASS
(AAJD) 3B
THREAD SERIES
(BZRR) UNF
THREAD QUANTITY PER INCH
(CMLP) 28

Manufacturer Part Numbers


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