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National Stock Number:
5310-00-459-0866
Federal Supply Class:
5310
National Item Identification Number:
004590866
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:
| 3M348L4 | 15653 | HOWMET GLOBAL FASTENING SYSTEMS INC | | 3M348L4 | 76301 | THE BOEING COMPANY | | 6073-04 | 019L2 | ESNA, LLC | | TLN1020L4W | 17446 | HUCK INTERNATIONAL, INC | | 6073-04 | 72962 | HARVARD INDUSTRIES INC | | 3M348L4 | 80539 | SPS TECHNOLOGIES, LLC | | TLN1021-4W | 17446 | HUCK INTERNATIONAL, INC | | TLN1020L4W | 56878 | SPS TECHNOLOGIES, LLC | | TLN1020L4W | 80539 | SPS TECHNOLOGIES, LLC | | TLN1020L4W | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | TLN1020L4W | 97928 | HUCK INTL INC | | TLN1021-4W | 97928 | HUCK INTL INC | | TLN1020L4W | C4293 | ALCOA FASTENING SYSTEMS FAIRCHILDFASTENERS EUROPE - VSD GMBH |
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Techincal Specification:
| HARDNESS RATING | 38.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM | | HOLE DIAMETER | 0.348 INCHES MINIMUM AND 0.354 INCHES MAXIMUM | | OUTSIDE DIAMETER | 0.505 INCHES MINIMUM AND 0.515 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6049 MIL SPEC 1ST MATERIAL RESPONSE OR AMS 6300 ASSN STD 2ND MATERIAL RESPONSE OVERALL | | MATERIAL THICKNESS | 0.113 INCHES MINIMUM AND 0.123 INCHES MAXIMUM | | MATERIAL | STEEL COMP 8740 OR STEEL COMP 4037 OVERALL | | RADIUS | 0.300 INCHES MINIMUM AND 0.305 INCHES MAXIMUM | | STYLE DESIGNATOR | CONCAVE | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL |
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