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National Stock Number:
5310-00-083-9303
Federal Supply Class:
5310
National Item Identification Number:
000839303
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:
| 3M348L3 | 76301 | THE BOEING COMPANY | | 3M348L3 | 80539 | SPS TECHNOLOGIES, LLC | | AS46-3 | 10630 | ANILLO INDUSTRIES LLC | | 53488W-1032 | 56878 | SPS TECHNOLOGIES, LLC | | 6073-0 | 72962 | HARVARD INDUSTRIES INC | | BACW10AU3 | 81205 | THE BOEING COMPANY | | K19701P3 | 15653 | HOWMET GLOBAL FASTENING SYSTEMS INC | | TLN1020L3W | 17446 | HUCK INTERNATIONAL, INC | | TLN1020L3W | 27624 | SPS TECHNOLOGIES LLC | | TLN1020L3W | 56878 | SPS TECHNOLOGIES, LLC | | TLN1020L3W | 59563 | REID PRODUCTS INC. | | TLN1020L3W | 80539 | SPS TECHNOLOGIES, LLC | | TLN1020L3W | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | K19701P3 | R1120 | SATAIR A/S | | TLN1020L3W | 97928 | HUCK INTL INC | | TLN1020L3W | C4293 | ALCOA FASTENING SYSTEMS FAIRCHILDFASTENERS EUROPE - VSD GMBH |
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Techincal Specification:
| HARDNESS RATING | 38.0 ROCKWELL C MINIMUM AND 44.0 ROCKWELL C MAXIMUM | | HEAT TREATMENT | AS FABRICATED | | HOLE DIAMETER | 0.252 INCHES MINIMUM AND 0.258 INCHES MAXIMUM | | OUTSIDE DIAMETER | 0.375 INCHES MINIMUM AND 0.385 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6049 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-6050 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-6758 MIL SPEC 3RD MATERIAL RESPONSE OR MIL-S-18729 MIL SPEC 3RD MATERIAL RESPONSE OR ASTM A322 ASSN STD 4TH MATERIAL RESPONSE OVERALL | | MATERIAL THICKNESS | 0.078 INCHES MINIMUM AND 0.088 INCHES MAXIMUM | | MATERIAL | STEEL COMP 8740 OR STEEL COMP 8630 OR STEEL COMP 4130 OR STEEL COMP 4027 OVERALL | | RADIUS | 0.235 INCHES MINIMUM AND 0.240 INCHES MAXIMUM | | RECESS DEPTH | 0.040 INCHES MINIMUM AND 0.050 INCHES MAXIMUM | | SPECIFICATION/STANDARD DATA | 81205-BACW10AU MANUFACTURERS STANDARD | | STYLE DESIGNATOR | CONCAVE | | SURFACE FINISH | 63.0 MICROINCHES COUNTERBORE WALL | | 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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