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NSN 5310-01-111-5542, 5310011115542
WASHER,CONCAVE

Federal Supply Classification
FSC 5310 - Nuts and Washers
National Item Identification Number
NIIN 011115542
Codification Country
United States
Item Name Code
INC 15930
Criticality
(N) This item does not have a critical feature such as tolerance, fit restrictions or application. Nuclear hardness properties have not been determined (not valid for input).
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 5310-01-111-5542

National Stock Number (NSN) 5310-01-111-5542, or NIIN 011115542, (washer,concave) was assigned April 19, 1981 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There are 2 manufacturer part numbers associated with this NSN. One of those 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, 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 assigned to Item Name Code (INC) 15930. [A WASHER WHICH IS ROUND WITH A CENTRALLY LOCATED HOLE. ONE BEARING SURFACE IS SMOOTH, FLAT, AND UNBROKEN, THE OTHER BEARING SURFACE IS SMOOTH, UNBROKEN, AND IS RECESSED TO FORM A CURVED OR SPHERICAL CONTOUR. SEE ALSO WASHER (1), CONVEX. EXCLUDES:WASHER (1), RECESSED AND BEARING, WASHER, THRUST.]. This item does not have a critical feature such as tolerance, fit restrictions or application. Nuclear hardness properties have not been determined (not valid for input). There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 5310011115542 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

HOLE DIAMETER
(AAUB) 0.261 INCHES NOMINAL
OUTSIDE DIAMETER
(ABKV) 0.380 INCHES NOMINAL
MATERIAL THICKNESS
(ABPX) 0.085 INCHES NOMINAL
MATERIAL
(MATT) STEEL OVERALL
RADIUS
(ABGG) 0.250 INCHES NOMINAL
RECESS DIAMETER
(ABMD) 0.330 INCHES NOMINAL
STYLE DESIGNATOR
(STYL) CONCAVE
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION
(STDC) QQ-P-416,TYPE II,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT
(SFTT) CADMIUM OVERALL

Manufacturer Part Numbers


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