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NSN 5310-00-274-9923, 5310002749923
WASHER,FLAT

Federal Supply Classification
FSC 5310 - Nuts and Washers
National Item Identification Number
NIIN 002749923
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 5310-00-274-9923

National Stock Number (NSN) 5310-00-274-9923, or NIIN 002749923, (washer,flat) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There are 4 manufacturer part numbers associated with this NSN. 3 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. Today, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, there are no suppliers that are deemed design controlled or valid supply parts. ISO Group has several sources of supply for this NSN.

This part number has not been procured by the US Government in over a year. 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: SPE4A624P4722, SPE5E716M4310, SPE5E715V5872, SPE5E715V5872, SPE5E715V4274. The total value of the awarded contracts has been US$ 5,143.37.

This NSN is unique to one weapons system.

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 Dec 13, 2013, 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 5310002749923 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

MATERIAL
(MATT) STEEL OR STEEL COMP 1212 OR STEEL COMP 8620 OR STEEL COMP 1117 OVERALL
CENTER HOLE SHAPE STYLE
(ABMX) ROUND
CROSS-SECTIONAL SHAPE STYLE
(AAGR) RECTANGULAR
HOLE DIAMETER
(AAUB) 0.218 INCHES MINIMUM AND 0.228 INCHES MAXIMUM
PERIPHERAL SHAPE STYLE
(ABMW) ROUND
OVERALL DIAMETER
(ADAV) 0.297 INCHES MINIMUM AND 0.327 INCHES MAXIMUM
THICKNESS
(ABNM) 0.026 INCHES MINIMUM AND 0.036 INCHES MAXIMUM
CENTER HOLE SHAPE STYLE
(ABMX) 1 ROUND
MATERIAL
(MATT) STEEL OVERALL OR STEEL COMP 1212 OVERALL OR STEEL COMP 8620 OVERALL OR STEEL COMP 1117 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) MIL-S-16782 MIL SPEC 1ST MATERIAL RESPONSE OR AMS 5062 ASSN STD 1ST MATERIAL RESPONSE AND AMS 5010 ASSN STD 2ND MATERIAL RESPONSE AND AMS 6274 ASSN STD 3RD MATERIAL RESPONSE AND AMS 5022 ASSN STD 4TH MATERIAL RESPONSE OVERALL

Manufacturer Part Numbers


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