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NSN 5310-00-159-6293, 5310001596293
WASHER,RECESSED

Federal Supply Classification
FSC 5310 - Nuts and Washers
National Item Identification Number
NIIN 001596293
Codification Country
United States
Item Name Code
INC 15933
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 5310-00-159-6293

National Stock Number (NSN) 5310-00-159-6293, or NIIN 001596293, (washer,recessed) was assigned October 1, 1971 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There are 5 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 4 suppliers. Today, 4 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 4 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.

There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Jun 02, 2005, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. The Government physically does not have in its possession sufficient, accurate, or legible data to purchase this part from other than current source(s). (NOTE: This code is applicable only to parts under immediate buy requirements and only as long as the deficiency is under review for resolution and appropriate recoding.) Valid AMCs: 1, 2, 3, 4 and 5.

This NSN is assigned to Item Name Code (INC) 15933. [A WASHER OF ANY PERIPHERAL SHAPE HAVING A CENTRALLY LOCATED HOLE. BOTH BEARING SURFACES ARE PARALLEL AND FLAT, BUT ONE OR BOTH OF THE BEARING SURFACES MUST BE BROKEN BY A COUNTERBORE, COUNTERSINK, OR SIMILARLY SHAPED RECESS. THE THICKNESS MUST NOT EXCEED 25 PER CENT OF THE OUTSIDE DIAMETER OR THE LARGEST OUTSIDE DIMENSION. THE MAXIMUM LIMIT OF THE TOLERANCE OR RANGE APPLIED TO THE THICKNESS AND/OR LARGEST OUTSIDE DIMENSION MUST BE USED TO DETERMINE COMPLIANCE. EXCLUDES:WASHER, CONCAVE, RETAINER, PACKING, AND THRUST TYPE WASHERS. SEE ALSO SPACER, SLEEVE; AND SPACER, STEPPED.]. 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 5310001596293 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

STYLE DESIGNATOR
(STYL) RECESS
HARDNESS RATING
(CQFM) 39.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM
HEAT TREATMENT
(HEAT) QUENCHED AND TEMPERED
HOLE DIAMETER
(AAUB) 0.376 INCHES MINIMUM AND 0.380 INCHES MAXIMUM
OUTSIDE DIAMETER
(ABKV) 0.677 INCHES MINIMUM AND 0.697 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) MIL-S-6758 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-18729 MIL SPEC 1ST MATERIAL RESPONSE OR AMS 5085 ASSN STD 2ND MATERIAL RESPONSE OVERALL
MATERIAL THICKNESS
(ABPX) 0.071 INCHES MINIMUM AND 0.085 INCHES MAXIMUM
MATERIAL
(MATT) STEEL COMP 4130 OR STEEL COMP 1050 OVERALL
RECESS DIAMETER
(ABMD) 0.497 INCHES MINIMUM AND 0.507 INCHES MAXIMUM
RECESS ANGLE
(CSTM) 90.0 DEGREES NOMINAL
RECESS DEPTH
(ABMH) 0.062 INCHES NOMINAL
STYLE DESIGNATOR
(STYL) RECESSED
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION
(STDC) QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT
(SFTT) CADMIUM OVERALL
STYLE DESIGNATOR
(STYL) 15 RECESSED
MATERIAL
(MATT) STEEL COMP 4130 OVERALL OR STEEL COMP 1050 OVERALL
III HEAT TREATMENT
(HEAT) QUENCHED AND TEMPERED

Manufacturer Part Numbers

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