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NSN 5310-00-903-4860, 5310009034860
WASHER,RECESSED

Federal Supply Classification
FSC 5310 - Nuts and Washers
National Item Identification Number
NIIN 009034860
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 5310-00-903-4860

National Stock Number (NSN) 5310-00-903-4860, or NIIN 009034860, (washer,recessed) was assigned January 1, 1960 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There is only one manufacturer part number 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, 2 suppliers are deemed design controlled or valid supply parts.

This part number has not been procured by the US Government in over a year. There have been 18 contracts issued for this part number, with 18 awards given. There is heavy competition for this NSN. The US Government has awarded contracts to 13 different suppliers. The last contract numbers awarded were: SPE5E221P0902, SPE5E221P0902, SPE5E821P0945, SPE5E821P0945, SPE5E821P0144. The total value of the awarded contracts has been US$ 38,625.89.

This NSN is somewhat common among different platforms, belonging to 2 different weapons systems.

There has been a small amount of 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: 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) 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 5310009034860 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

BOTTOM RECESS ANGLE
(CRKG) 89.0 DEGREES MINIMUM AND 91.0 DEGREES MAXIMUM
BOTTOM RECESS DIAMETER
(CSML) 1.416 INCHES MINIMUM AND 1.426 INCHES MAXIMUM
HOLE DIAMETER
(AAUB) 1.256 INCHES MINIMUM AND 1.276 INCHES MAXIMUM
OUTSIDE DIAMETER
(ABKV) 1.990 INCHES MINIMUM AND 2.010 INCHES MAXIMUM
MATERIAL THICKNESS
(ABPX) 0.183 INCHES MINIMUM AND 0.193 INCHES MAXIMUM
MATERIAL
(MATT) STEEL COMP H11 OVERALL
TOP RECESS ANGLE
(CRSD) 89.0 DEGREES MINIMUM AND 91.0 DEGREES MAXIMUM
TOP RECESS DIAMETER
(CQJW) 1.416 INCHES MINIMUM AND 1.426 INCHES MAXIMUM
STYLE DESIGNATOR
(STYL) RECESSED BOTH SIDES
SURFACE FINISH
(CSYM) 63.0 MICROINCHES ALL SURFACES
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION
(STDC) MIL-C-8837,TY 2,CL 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT
(SFTT) CADMIUM OVERALL AND CHROMATE OVERALL

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