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National Stock Number:
5310-00-285-9058
Federal Supply Class:
5310
National Item Identification Number:
002859058
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:
| 10121279 | A486G | NIMIKKEISTOKESKUS NCB FINLAND | | NAS1587-16C | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE |
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Techincal Specification:
| MATERIAL | STEEL COMP 321 OR | | STEEL COMP 347 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6721 MIL SPEC ALL MATERIAL RESPONSES OR | | QQ-S-763 FED SPEC ALL MATERIAL RESPONSES OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | STYLE DESIGNATOR | RECESSED | | HOLE DIAMETER | 1.010 INCHES MINIMUM AND | | 1.025 INCHES MAXIMUM | | OUTSIDE DIAMETER | 1.625 INCHES NOMINAL | | RECESS DIAMETER | 1.140 INCHES MINIMUM AND | | 1.160 INCHES MAXIMUM | | MATERIAL THICKNESS | 0.078 INCHES NOMINAL | | RECESS ANGLE | 90.0 DEGREES NOMINAL | | SURFACE FINISH | 63.0 MICROINCHES TOP | | 63.0 MICROINCHES BOTTOM | | SPECIFICATION/STANDARD DATA | 80205-NAS1587 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
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