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NSN 5310-01-166-6682, 5310011666682
WASHER,FLAT

Federal Supply Classification
FSC 5310 - Nuts and Washers
National Item Identification Number
NIIN 011666682
Codification Country
United States
Item Name Code
INC 13393
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 5310-01-166-6682

National Stock Number (NSN) 5310-01-166-6682, or NIIN 011666682, (washer,flat) was assigned November 16, 1983 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There are no manufacturer part numbers associated to this NSN. ISO Group has several sources of supply for this NSN.

This part number has not been procured by the US Government in over 5 years, with the most recent procurement date of Jan 06, 2017. There have been 3 contracts issued for this part number, with 3 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: SPE5E817V2587, SPE5E817V1917, SPM5A111V5117, SPM5A111V5117. The total value of the awarded contracts has been US$ 1,119.66.

This NSN is somewhat common among different platforms, belonging to 6 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$ 588. 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.) The Government has unlimited rights to the technical data, and the data package is complete. Valid AMCs: 1 and 2.

This NSN is assigned to Item Name Code (INC) 13393. [A WASHER HAVING A CENTRALLY LOCATED HOLE WITH A SOLID OR LAMINATED CROSS-SECTION AND TWO FLAT PARALLEL BEARING SURFACES. THE HOLE MUST BE 75 PERCENT OR LESS THAN THE LARGEST DIMENSION AND THE BEARING SURFACE FINISH IS GREATER THAN 32 MICROINCH (0.8 MICROMETER). THE THICKNESS CANNOT EXCEED 25 PERCENT OF THE LARGEST OUTSIDE DIMENSION. WHEN THE LARGEST OUTSIDE DIMENSION IS LESS THAN 1/4 INCH OR 6MM, THE THICKNESS MUST BE 0.006 INCHES (0.15MM) OR GREATER AND FOR ITEMS 1/4 INCH (6MM) OR LARGER, THE THICKNESS MUST BE 0.016 INCHES (0.4MM) OR GREATER. THE MAXIMUM TOLERANCE IS APPLIED TO DIMENSIONS AND USED AS A DETERMINING FACTOR. ITEMS WITH SEPARABLE LAMINATION USE SHIM. FOR ITEMS FABRICATED FROM CERAMIC OR ELECTRICALLY RATED MATERIALS BY SPECIFICATION OR INDUSTRY STANDARDS USE INSULATOR (1), WASHER. EXCLUDES:DISK, VALVE, GRAPHITE IMPREGNATED AND LUBRICATED ITEMS.]. 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 5310011666682 does not contain precious metals.

This NSN is associated to Schedule B 7318220000: washers other than lock washers, 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

III HEAT TREATMENT
(HEAT) COLD FINISH
MATERIAL
(MATT) STEEL COMP 1070 OVERALL OR STEEL COMP 1065 OVERALL OR STEEL COMP 1074 OVERALL OR STEEL COMP 1085 OVERALL OR STEEL COMP 1095 OVERALL OR STEEL COMP 6150 OVERALL OR STEEL COMP 8660 OVERALL OR STEEL COMP 9260 OVERALL OR STEEL COMP 9262 OVERALL
SURFACE TREATMENT
(SFTT) ZINC OVERALL AND CHROMATE OVERALL
CENTER HOLE SHAPE STYLE
(ABMX) 1 ROUND
CENTER HOLE SHAPE STYLE
(ABMX) ROUND
CROSS-SECTIONAL SHAPE STYLE
(AAGR) RECTANGULAR
HARDNESS RATING
(CQFM) 36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM
HEAT TREATMENT
(HEAT) COLD FINISH
HOLE DIAMETER
(AAUB) 0.154 INCHES MINIMUM AND 0.169 INCHES MAXIMUM
OVERALL DIAMETER
(ADAV) 0.244 INCHES MINIMUM AND 0.249 INCHES MAXIMUM
MATERIAL
(MATT) STEEL COMP 1070 OR STEEL COMP 1065 OR STEEL COMP 1074 OR STEEL COMP 1085 OR STEEL COMP 1095 OR STEEL COMP 6150 OR STEEL COMP 8660 OR STEEL COMP 9260 OR STEEL COMP 9262 OVERALL
PERIPHERAL SHAPE STYLE
(ABMW) ROUND
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION
(STDC) ASTM B633 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT
(SFTT) ZINC AND CHROMATE OVERALL
THICKNESS
(ABNM) 0.019 INCHES MINIMUM AND 0.029 INCHES MAXIMUM

Manufacturer Part Numbers


Related Inventory

2124800-0003
5310011666682
Condition NE
WASHER
Readily Available


 
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