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NSN 5310-00-224-0740, 5310002240740
WASHER,FLAT

Federal Supply Classification
FSC 5310 - Nuts and Washers
National Item Identification Number
NIIN 002240740
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 5310-00-224-0740

National Stock Number (NSN) 5310-00-224-0740, or NIIN 002240740, (washer,flat) was assigned March 27, 1970 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. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, only one supplier is 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 5 years.

This NSN is very common among different weapons systems, belonging to 131 different platforms.

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 Jan 11, 2007, 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 5310002240740 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

CENTER HOLE SHAPE STYLE
(ABMX) 1 ROUND
MATERIAL
(MATT) STEEL COMP 301 OVERALL OR STEEL COMP 302 OVERALL OR STEEL COMP 316 OVERALL
CENTER HOLE SHAPE STYLE
(ABMX) ROUND
COLOR
(HUES) BLACK OVERALL
CROSS-SECTIONAL SHAPE STYLE
(AAGR) RECTANGULAR
HOLE DIAMETER
(AAUB) 0.183 INCHES MINIMUM AND 0.196 INCHES MAXIMUM
OVERALL DIAMETER
(ADAV) 0.370 INCHES MINIMUM AND 0.390 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) 66 FED STD ALL MATERIAL RESPONSES OVERALL
MATERIAL
(MATT) STEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 316 OVERALL
NONDEFINITIVE SPEC/STD DATA
(ZZZT) A TYPE AND 1 GRADE AND B CLASS
PERIPHERAL SHAPE STYLE
(ABMW) ROUND
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION
(STDC) MIL-C-13924,CL 4 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT
(SFTT) OXIDE FILM OVERALL
THICKNESS
(ABNM) 0.036 INCHES MINIMUM AND 0.065 INCHES MAXIMUM

Manufacturer Part Numbers


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