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NSN 5310-01-124-5793, 5310011245793
NUT,SELF-LOCKING,EXTENDED WASHER

Federal Supply Classification
FSC 5310 - Nuts and Washers
National Item Identification Number
NIIN 011245793
Codification Country
United States
Item Name Code
INC 29729
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 5310-01-124-5793

National Stock Number (NSN) 5310-01-124-5793, or NIIN 011245793, (nut,self-locking,extended washer) was assigned January 8, 1982 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 been procured by the US Government within the last year, but shows no recent (last 90 days) procurement activity. There have been 11 contracts issued for this part number, with 11 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 5 different suppliers. The last contract numbers awarded were: SPE4A625FAP3J, SPE5E819V5595, SPE5E819V2520, SPE5E416V3591, SPE5E416V3591. The total value of the awarded contracts has been US$ 29,186.58.

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

There has been a small amount of 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 Jun 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) 29729. [A NUT HAVING 12 DRIVE POINTS, 24 SIDES, AND AN INTEGRAL WASHER WHICH EXTENDS BEYOND THE POINTS OR PERIPHERY. AN INTEGRAL FEATURE IS INCORPORATED FOR LOCKING ON THE THREADS OF A MATING MEMBER.]. 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 5310011245793 does not contain precious metals.

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

SURFACE TREATMENT
(SFTT) CADMIUM OVERALL EXCEPT INSERT AND CHROMATE OVERALL EXCEPT INSERT
MATERIAL
(MATT) PLASTIC POLYAMIDE LOCKING INSERT
MATERIAL
(MATT) STEEL COMP 4130 NUT OR STEEL COMP 4340 NUT OR STEEL COMP 8740 NUT
LOCKING FEATURE
(AAUM) PREVAILING TORQUE WITH NONMETALLIC INSERT
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) MIL-S-5000 MIL SPEC 2ND MATERIAL RESPONSE NUT
MATERIAL
(MATT) PLASTIC POLYAMIDE (NYLON) LOCKING INSERT
MATERIAL
(MATT) STEEL COMP 4130 OR STEEL COMP 4340 OR STEEL COMP 8740 NUT
NOMINAL THREAD SIZE
(CQJX) 0.375 INCHES
NUT STYLE
(ACTA) DOUBLE HEXAGON
OVERALL HEIGHT
(ABKW) 0.443 INCHES MINIMUM AND 0.463 INCHES MAXIMUM
SPECIFICATION/STANDARD DATA
(ZZZK) 78286-SS5088 MANUFACTURERS STANDARD
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION
(STDC) QQ-P-416,TY 2,CL 3 FED SPEC ALL TREATMENT RESPONSES OVERALL EXCEPT INSERT
SURFACE TREATMENT
(SFTT) CADMIUM AND CHROMATE OVERALL EXCEPT INSERT
TEMP RATING
(AZKQ) 250.0 FAHRENHEIT MAXIMUM
THREAD CLASS
(AAJD) 3B
THREAD DIRECTION
(AAJF) RIGHT-HAND
THREAD QUANTITY PER INCH
(CMLP) 24
THREAD SERIES
(BZRR) UNJF
WASHER OUTSIDE DIAMETER
(AAVX) 0.677 INCHES MINIMUM AND 0.687 INCHES MAXIMUM
WASHER THICKNESS
(ADEM) 0.089 INCHES MINIMUM AND 0.109 INCHES MAXIMUM
WIDTH ACROSS FLATS
(ASDB) 0.492 INCHES MINIMUM AND 0.502 INCHES MAXIMUM
TEMP RATING
(AZKQ) 250.0 DEG FAHRENHEIT MAXIMUM

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