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NSN 5310-00-518-5266, 5310005185266
NUT,SELF-LOCKING,EXTENDED WASHER

Federal Supply Classification
FSC 5310 - Nuts and Washers
National Item Identification Number
NIIN 005185266
Codification Country
United States
Item Name Code
INC 29730
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 5310-00-518-5266

National Stock Number (NSN) 5310-00-518-5266, or NIIN 005185266, (nut,self-locking,extended washer) was assigned August 11, 1974 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There are 2 manufacturer part numbers associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 3 suppliers. Today, 2 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 is actively being procured by the US Government, with procurement history within the last 90 days. There have been 5 contracts issued for this part number, with 5 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: SPE4A724P9790, SPE4A522V0571, SPE5E821V1639, SPE5E018V1191, SPE5EC14M0484. The total value of the awarded contracts has been US$ 5,883.90.

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. The 24 month forecast from the US Government for this part number has high volatility, with an estimated forecasted value of US$ 3,038. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Nov 10, 2017, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The rights to use the data needed to purchase this part from additional sources are not owned by the Government and cannot be purchased. Valid AMCs: 1, 2, 3, 4 and 5.

This NSN is assigned to Item Name Code (INC) 29730. [A NUT HAVING 6 FLAT SIDES AND AN INTEGRAL WASHER WHICH EXTENDS BEYOND THE FLATS 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 5310005185266 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

NOMINAL THREAD SIZE
(CQJX) 0.190 INCHES
NUT STYLE
(ACTA) CASTELLATED HEXAGON
OVERALL HEIGHT
(ABKW) 0.173 INCHES MINIMUM AND 0.203 INCHES MAXIMUM
LOCKING FEATURE
(AAUM) PREVAILING TORQUE ALL METAL DESIGN
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) AMS 5525 ASSN STD SINGLE MATERIAL RESPONSE OVERALL OR AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL
(MATT) IRON ALLOY 660 OVERALL
PRECIOUS MATERIAL AND LOCATION
(PMLC) OVERALL SILVER
PRECIOUS MATERIAL
(PRMT) SILVER
THREAD CLASS
(AAJD) 3B
THREAD DIRECTION
(AAJF) RIGHT-HAND
THREAD SERIES
(BZRR) UNJF
THREAD QUANTITY PER INCH
(CMLP) 32
WASHER OUTSIDE DIAMETER
(AAVX) 0.325 INCHES MAXIMUM
WASHER THICKNESS
(ADEM) 0.020 INCHES NOMINAL
WIDTH ACROSS FLATS
(ASDB) 0.243 INCHES MINIMUM AND 0.252 INCHES MAXIMUM
SURFACE TREATMENT
(SFTT) SILVER OVERALL
TEMP RATING
(AZKQ) 1000.0 DEG FAHRENHEIT MAXIMUM

Manufacturer Part Numbers


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