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NSN 5310-00-889-5581, 5310008895581
WASHER,FLAT

Federal Supply Classification
FSC 5310 - Nuts and Washers
National Item Identification Number
NIIN 008895581
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 5310-00-889-5581

National Stock Number (NSN) 5310-00-889-5581, or NIIN 008895581, (washer,flat) 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 is only one manufacturer part number associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. Today, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, only one supplier is deemed design controlled or valid supply parts.

This part number has not been procured by the US Government in over 5 years.

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 5310008895581 contains an unknown precious metal.

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
THICKNESS
(ABNM) 0.029 INCHES MINIMUM AND 0.033 INCHES MAXIMUM
SURFACE TREATMENT
(SFTT) PASSIVATE OVERALL
PERIPHERAL SHAPE STYLE
(ABMW) ROUND
MATERIAL
(MATT) STEEL COMP 303 OVERALL OR STEEL COMP 303SE OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) QQ-S-764 FED SPEC ALL MATERIAL RESPONSES OVERALL
OVERALL DIAMETER
(ADAV) 0.182 INCHES MINIMUM AND 0.192 INCHES MAXIMUM
HOLE DIAMETER
(AAUB) 0.125 INCHES MINIMUM AND 0.130 INCHES MAXIMUM
HARDNESS RATING
(CQFM) 75.0 ROCKWELL B MINIMUM AND 104.5 ROCKWELL B MAXIMUM
CROSS-SECTIONAL SHAPE STYLE
(AAGR) RECTANGULAR
CENTER HOLE SHAPE STYLE
(ABMX) ROUND

Manufacturer Part Numbers


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