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National Stock Number:
5310-01-005-0496
Federal Supply Class:
5310
National Item Identification Number:
010050496
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:
| 3M139-4 | 56878 | SPS TECHNOLOGIES, LLC | | 3M139-4 | 76301 | THE BOEING COMPANY |
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Techincal Specification:
| THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 76301 | | DESIGN CONTROL REFERENCE | 3M139-4 | | MATERIAL | STEEL OVERALL | | SURFACE TREATMENT | CADMIUM AND | | CHROMATE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | STYLE DESIGNATOR | CONCAVE | | HOLE DIAMETER | 0.325 INCHES MINIMUM AND | | 0.335 INCHES MAXIMUM | | RADIUS | 0.250 INCHES MINIMUM AND | | 0.280 INCHES MAXIMUM | | OUTSIDE DIAMETER | 0.464 INCHES MINIMUM AND | | 0.474 INCHES MAXIMUM | | MATERIAL THICKNESS | 0.108 INCHES MINIMUM AND | | 0.118 INCHES MAXIMUM |
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