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National Stock Number: 5310-01-160-2054
Federal Supply Class: 5310
National Item Identification Number: 011602054
Description: WASHER,CONCAVE
Detail: 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.
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Manufacturer Information:
5310PL0891322 | 9009H | INSPEKTORAT WSPARCIA SIL ZBROJNYCH | 68563W10 | 56878 | SPS TECHNOLOGIES, LLC |
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Techincal Specification:
HARDNESS RATING | 41.0 ROCKWELL C MINIMUM AND 48.0 ROCKWELL C MAXIMUM | HOLE DIAMETER | 0.418 INCHES MINIMUM AND 0.428 INCHES MAXIMUM | MATERIAL THICKNESS | 0.098 INCHES MINIMUM AND 0.128 INCHES MAXIMUM | MATERIAL | STEEL OVERALL | PROPRIETARY CHARACTERISTICS | PACS | OUTSIDE DIAMETER | 0.591 INCHES MINIMUM AND 0.601 INCHES MAXIMUM | RADIUS | 0.334 INCHES MINIMUM AND 0.354 INCHES MAXIMUM | RECESS DEPTH | 0.035 INCHES MINIMUM AND 0.045 INCHES MAXIMUM | STYLE DESIGNATOR | CONCAVE | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | SURFACE TREATMENT | CADMIUM OVERALL AND CHROMATE OVERALL |
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