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National Stock Number:
5310-01-475-2399
Federal Supply Class:
5310
National Item Identification Number:
014752399
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:
| NA0179B-120C | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE |
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Techincal Specification:
| MATERIAL | IRON ALLOY 660 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5525 ASSN STD SINGLE MATERIAL RESPONSE OR | | AMS 5732 ASSN STD SINGLE MATERIAL RESPONSE OR | | AMS 5736 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | HOLE DIAMETER | 12.6 MILLIMETERS MINIMUM AND | | 13.0 MILLIMETERS MAXIMUM | | OUTSIDE DIAMETER | 21.9 MILLIMETERS MINIMUM AND | | 22.5 MILLIMETERS MAXIMUM | | RECESS DIAMETER | 14.7 MILLIMETERS MINIMUM AND | | 15.1 MILLIMETERS MAXIMUM | | MATERIAL THICKNESS | 2.0 MILLIMETERS NOMINAL | | RECESS ANGLE | 44.0 DEGREES MINIMUM AND | | 46.0 DEGREES MAXIMUM |
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