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National Stock Number:
5310-00-412-9813
Federal Supply Class:
5310
National Item Identification Number:
004129813
Description:
WASHER,RECESSED
Detail:
A WASHER OF ANY PERIPHERAL SHAPE HAVING A CENTRALLY LOCATED HOLE. BOTH BEARING SURFACES ARE PARALLEL AND FLAT, BUT ONE OR BOTH OF THE BEARING SURFACES MUST BE BROKEN BY A COUNTERBORE, COUNTERSINK, OR SIMILARLY SHAPED RECESS. THE THICKNESS MUST NOT EXCEED 25 PER CENT OF THE OUTSIDE DIAMETER OR THE LARGEST OUTSIDE DIMENSION. THE MAXIMUM LIMIT OF THE TOLERANCE OR RANGE APPLIED TO THE THICKNESS AND/OR LARGEST OUTSIDE DIMENSION MUST BE USED TO DETERMINE COMPLIANCE. EXCLUDES WASHER, CONCAVE, RETAINER, PACKING, AND THRUST TYPE WASHERS. SEE ALSO SPACER, SLEEVE; AND SPACER, STEPPED.
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Manufacturer Information:
| BACW10AKWC3 | 77272 | THE BOEING COMPANY |
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Techincal Specification:
| HARDNESS RATING | 39.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM | | HOLE DIAMETER | 0.191 INCHES MINIMUM AND 0.200 INCHES MAXIMUM | | OUTSIDE DIAMETER | 0.458 INCHES MINIMUM AND 0.478 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6758 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-18729 MIL SPEC 1ST MATERIAL RESPONSE OR AMS 6358 ASSN STD 2ND MATERIAL RESPONSE OR MIL-S-5626 MIL SPEC 3RD MATERIAL RESPONSE OR SAE ASSN STD ALL MATERIAL RESPONSES OVERALL | | MATERIAL THICKNESS | 0.057 INCHES MINIMUM AND 0.088 INCHES MAXIMUM | | MATERIAL | STEEL COMP 4130 OR STEEL COMP 8740 OR STEEL COMP 4140 OVERALL | | RECESS ANGLE | 80.000 DEGREES MINIMUM AND 100.000 DEGREES MAXIMUM | | RECESS DIAMETER | 0.274 INCHES MINIMUM AND 0.290 INCHES MAXIMUM | | SPECIFICATION/STANDARD DATA | 81205-BACW10AK MANUFACTURERS STANDARD | | STYLE DESIGNATOR | RECESSED | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM OVERALL |
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