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NSN 5310-00-844-2240, 5310008442240
NUT,SELF-LOCKING,EXTENDED WASHER

Federal Supply Classification
FSC 5310 - Nuts and Washers
National Item Identification Number
NIIN 008442240
Codification Country
United States
Item Name Code
INC 29729
Criticality
(Y) This item does not have a nuclear hardened feature but does have other critical feature(s) 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 5310-00-844-2240

National Stock Number (NSN) 5310-00-844-2240, or NIIN 008442240, (nut,self-locking,extended washer) 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 5 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 been procured by the US Government within the last year, but shows no recent (last 90 days) procurement activity. There have been 6 contracts issued for this part number, with 6 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 3 different suppliers. The last contract numbers awarded were: SPE4A624PA849, SPE4A624P4716, SPE5EJ21V2140, SPE5E318V3545, SPE4A516V3470. The total value of the awarded contracts has been US$ 4,425.66.

This NSN is somewhat common among different platforms, belonging to 9 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. The 24 month forecast from the US Government for this part number has high volatility, with an estimated forecasted value of US$ 2,395. 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.) Acquisition of this part is restricted to source(s) specified on "Source Control", "Altered Item" or "Selected Item" drawings/documents. 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 but does have other critical feature(s) 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 5310008442240 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

CRITICALITY CODE JUSTIFICATION
(CRTL) FEAT
NUT STYLE
(ACTA) DOUBLE HEXAGON
OVERALL HEIGHT
(ABKW) 0.318 INCHES MINIMUM AND 0.328 INCHES MAXIMUM
LOCKING FEATURE
(AAUM) PREVAILING TORQUE ALL METAL DESIGN
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
PRECIOUS MATERIAL
(PRMT) SILVER
SPECIAL FEATURES
(FEAT) FAILURE COULD RESULT IN LOSS OR SUBSTANTIAL DAMAGE TO WEAPON SYSTEM, DEATH OR SERIOUS INJURY.
THREAD CLASS
(AAJD) 3B
THREAD DIRECTION
(AAJF) RIGHT-HAND
THREAD QUANTITY PER INCH
(CMLP) 28
THREAD SERIES
(BZRR) UNF
WASHER THICKNESS
(ADEM) 0.047 INCHES MINIMUM AND 0.057 INCHES MAXIMUM
WASHER OUTSIDE DIAMETER
(AAVX) 0.430 INCHES NOMINAL
WIDTH ACROSS FLATS
(ASDB) 0.306 INCHES MINIMUM AND 0.315 INCHES MAXIMUM
SURFACE TREATMENT
(SFTT) SILVER OVERALL

Manufacturer Part Numbers

37C301337P102

RNCC
5
RNVC
2
387529

RNCC
5
RNVC
9
387529

RNCC
5
RNVC
9
387529

RNCC
1
RNVC
2
LH115194

RNCC
3
RNVC
9
LH115194

RNCC
5
RNVC
2

Related Inventory

7671C387529
5310-00-844-2240
Condition NE
NUT, SELF LOCKI
Readily Available


 
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