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National Stock Number:
5310-01-006-3925
Federal Supply Class:
5310
National Item Identification Number:
010063925
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:
| 51404S6 | 84256 | AVIBANK MFG., INC. | | AS159S6 | 84256 | AVIBANK MFG., INC. |
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Techincal Specification:
| HARDNESS RATING | 32.0 ROCKWELL C MINIMUM AND 36.0 ROCKWELL C MAXIMUM | | HOLE DIAMETER | 0.375 INCHES MINIMUM AND 0.378 INCHES MAXIMUM | | OUTSIDE DIAMETER | 0.645 INCHES MINIMUM AND 0.663 INCHES MAXIMUM | | OVERALL HEIGHT | 0.272 INCHES MINIMUM AND 0.281 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD ALL MATERIAL RESPONSES OVERALL | | MATERIAL | STEEL COMP 1330 OR STEEL COMP 4130 OR STEEL COMP 3130 OVERALL | | RECESS DEPTH | 0.209 INCHES MINIMUM AND 0.218 INCHES MAXIMUM | | 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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