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NSN 5310-00-890-3423, 5310008903423
WASHER,FLAT

Federal Supply Classification
FSC 5310 - Nuts and Washers
National Item Identification Number
NIIN 008903423
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 5310-00-890-3423

National Stock Number (NSN) 5310-00-890-3423, or NIIN 008903423, (washer,flat) was assigned April 12, 1968 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. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 3 suppliers. Today, 3 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.

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.

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 5310008903423 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
CENTER HOLE SHAPE STYLE
(ABMX) ROUND
COLOR
(HUES) BLACK OVERALL
CROSS-SECTIONAL SHAPE STYLE
(AAGR) RECTANGULAR
HOLE DIAMETER
(AAUB) 0.143 INCHES MINIMUM AND 0.153 INCHES MAXIMUM
OVERALL DIAMETER
(ADAV) 0.262 INCHES MINIMUM AND 0.282 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) QQ-S-766 COND A FINISH 2D OR 2B FED SPEC ALL MATERIAL RESPONSES OVERALL
MATERIAL
(MATT) STEEL COMP 301 OVERALL OR STEEL COMP 348 OVERALL
PERIPHERAL SHAPE STYLE
(ABMW) ROUND
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION
(STDC) MIL-C-13924 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT
(SFTT) OXIDE FILM OVERALL
THICKNESS
(ABNM) 0.032 INCHES NOMINAL

Manufacturer Part Numbers

95083329

ISC
3
RNCC
5
RNVC
2
NAS620C6P

ISC
3
RNCC
3
RNVC
1
WC105729

ISC
3
RNCC
5
RNVC
2
10340276

ISC
3
RNCC
6
RNVC
9

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