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NSN 5310-00-622-8638, 5310006228638
WASHER,CONCAVE

Federal Supply Classification
FSC 5310 - Nuts and Washers
National Item Identification Number
NIIN 006228638
Codification Country
United States
Item Name Code
INC 15930
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 5310-00-622-8638

National Stock Number (NSN) 5310-00-622-8638, or NIIN 006228638, (washer,concave) was assigned March 1, 1975 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 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.

Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Mar 02, 2006, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) This part requires engineering source approval by the design control activity in order to maintain the quality of the part. An alternate source must qualify in accordance with the design control activity's procedures, as approved by the cognizant Government engineering activity. Valid AMCs: 1, 2, 3, 4 and 5.

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 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 5310006228638 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

SURFACE TREATMENT
(SFTT) CADMIUM OVERALL AND CHROMATE OVERALL
HOLE DIAMETER
(AAUB) 0.340 INCHES MINIMUM AND 0.344 INCHES MAXIMUM
OUTSIDE DIAMETER
(ABKV) 0.465 INCHES MINIMUM AND 0.475 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL THICKNESS
(ABPX) 0.140 INCHES MINIMUM AND 0.150 INCHES MAXIMUM
MATERIAL
(MATT) STEEL OVERALL
MINIMUM TENSILE STRENGTH
(CQBC) 120000 POUNDS PER SQUARE INCH
RADIUS
(ABGG) 0.260 INCHES NOMINAL
RECESS DEPTH
(ABMH) 0.060 INCHES MINIMUM AND 0.090 INCHES MAXIMUM
STYLE DESIGNATOR
(STYL) CONCAVE
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION
(STDC) QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT
(SFTT) CADMIUM AND CHROMATE OVERALL

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