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NSN 5310-00-044-6170, 5310000446170
WASHER,FLAT

Federal Supply Classification
FSC 5310 - Nuts and Washers
National Item Identification Number
NIIN 000446170
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 5310-00-044-6170

National Stock Number (NSN) 5310-00-044-6170, or NIIN 000446170, (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 6 manufacturer part numbers associated with this NSN. 4 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 11 suppliers. Today, 5 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 suppliers 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 5 years.

Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Mar 01, 2020, 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 5310000446170 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) ROUND
CROSS-SECTIONAL SHAPE STYLE
(AAGR) RECTANGULAR
DEPARTURE FROM CITED DOCUMENT
(ZZZW) AS MODIFIED BY SURFACE TREATMENT
HOLE DIAMETER
(AAUB) 0.224 INCHES MINIMUM AND 0.244 INCHES MAXIMUM
OVERALL DIAMETER
(ADAV) 0.521 INCHES MINIMUM AND 0.541 INCHES MAXIMUM
MATERIAL
(MATT) STEEL COMP 1010 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020 OVERALL
NONDEFINITIVE SPEC/STD DATA
(ZZZT) A TYPE
PERIPHERAL SHAPE STYLE
(ABMW) ROUND
SURFACE TREATMENT
(SFTT) CADMIUM OR ZINC OVERALL
THICKNESS
(ABNM) 0.036 INCHES MINIMUM AND 0.065 INCHES MAXIMUM
SURFACE TREATMENT
(SFTT) CADMIUM OVERALL OR ZINC OVERALL
CENTER HOLE SHAPE STYLE
(ABMX) 1 ROUND
MATERIAL
(MATT) STEEL COMP 1010 OVERALL OR STEEL COMP 1015 OVERALL OR STEEL COMP 1016 OVERALL OR STEEL COMP 1018 OVERALL OR STEEL COMP 1019 OVERALL OR STEEL COMP 1020 OVERALL

Manufacturer Part Numbers

14T

RNCC
3
RNVC
2
126755

RNCC
5
RNVC
9
139712H

RNCC
5
RNVC
9
139712H

RNCC
5
RNVC
9
1881409

RNCC
5
RNVC
9
1881409

RNCC
3
RNVC
2
1881409

RNCC
3
RNVC
9
1881409

RNCC
5
RNVC
9
1881409

RNCC
5
RNVC
9
1881409

RNCC
5
RNVC
9
1881409

RNCC
5
RNVC
9
446170

RNCC
5
RNVC
9
446170

RNCC
5
RNVC
9
MILW1085TYPEA

RNCC
4
RNVC
1

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