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National Stock Number:
5310-00-476-7366
Federal Supply Class:
5310
National Item Identification Number:
004767366
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:
| 10121403 | A486G | NIMIKKEISTOKESKUS NCB FINLAND | | 74A322904-2225 | 76301 | THE BOEING COMPANY | | NAS1587-5C | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE |
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Techincal Specification:
| HOLE DIAMETER | 0.315 INCHES MINIMUM AND 0.324 INCHES MAXIMUM | | OUTSIDE DIAMETER | 0.593 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763 FED SPEC 1ST MATERIAL RESPONSE OR QQ-S-763 FED SPEC 2ND MATERIAL RESPONSE OR MIL-S-6721 MIL SPEC ALL MATERIAL RESPONSES OVERALL | | MATERIAL THICKNESS | 0.078 INCHES NOMINAL | | MATERIAL | STEEL COMP 321 OR STEEL COMP 347 OR STEEL COMP 348 OVERALL | | RECESS DIAMETER | 0.396 INCHES MINIMUM AND 0.406 INCHES MAXIMUM | | RECESS ANGLE | 90.0 DEGREES NOMINAL | | SPECIFICATION/STANDARD DATA | 80205-NAS1587 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD | | STYLE DESIGNATOR | RECESSED | | SURFACE FINISH | 63.0 MICROINCHES BOTTOM | | SURFACE FINISH | 63.0 MICROINCHES TOP | | SURFACE TREATMENT | PASSIVATE OVERALL |
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