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NSN 5310-01-157-7658, 5310011577658
WASHER,KEYWAY

Federal Supply Classification
FSC 5310 - Nuts and Washers
National Item Identification Number
NIIN 011577658
Codification Country
United States
Item Name Code
INC 06158
Criticality
(C) This item has critical features 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 5310-01-157-7658

National Stock Number (NSN) 5310-01-157-7658, or NIIN 011577658, (washer,keyway) was assigned July 12, 1983 in the Federal Logistics Information System (FLIS). This NSN does not replace any other NSNs.

There is only one manufacturer part number associated with this NSN. None of the associated 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, there are no suppliers that are 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 Apr 02, 2019, 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) 06158. [A WASHER OF NONRESILIENT MATERIAL USUALLY HAVING TWO PARALLEL BEARING SURFACES. THE OUTSIDE AND/OR INSIDE EDGES HAVE ONE OR MORE NOTCHES. EXCLUDES:THRUST TYPE WASHERS.]. This item has critical features 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 5310011577658 does not contain precious metals.

This information was last updated on .


Technical Characteristics

OUTSIDE DIAMETER
(ABKV) 0.873 INCHES MINIMUM AND 0.874 INCHES MAXIMUM
MATERIAL
(MATT) STEEL COMP 304 OVERALL
III MATERIAL
(MATT) STEEL COMP 304 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) ASTM-A276 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
EXTERNAL KEYWAY LENGTH
(ABKZ) 0.075 INCHES MINIMUM AND 0.085 INCHES MAXIMUM
CRITICALITY CODE JUSTIFICATION
(CRTL) ZZZY
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS
(ZZZY) MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
HOLE DIAMETER
(AAUB) 0.312 INCHES MINIMUM AND 0.313 INCHES MAXIMUM
MATERIAL THICKNESS
(ABPX) 0.093 INCHES MINIMUM AND 0.094 INCHES MAXIMUM
EXTERNAL KEYWAY WIDTH
(ABLL) 0.100 INCHES NOMINAL
SPECIAL FEATURES
(FEAT) OPPOSITE END OF THE KEYWAY,ON THE OUTSIDE DIAMETER,A DISTANCE OF 0.002 INCHES MAXIMUM,FROM THE CENTER OF THE INSIDE DIAMETER,THE OUTSIDE EDGE IS FLAT ACROSS

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