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National Stock Number:
5310-00-326-4913
Federal Supply Class:
5310
National Item Identification Number:
003264913
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:
| NAS1587-18C | 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 | 1.135 INCHES MINIMUM AND 1.150 INCHES MAXIMUM | | OUTSIDE DIAMETER | 1.875 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6721 MIL SPEC ALL MATERIAL RESPONSES OR QQ-S-763 COND A FED SPEC ALL MATERIAL RESPONSES OVERALL | | MATERIAL THICKNESS | 0.078 INCHES NOMINAL | | MATERIAL | STEEL COMP 321 OR STEEL COMP 347 OVERALL | | RECESS ANGLE | 90.0 DEGREES NOMINAL | | RECESS DIAMETER | 1.265 INCHES MINIMUM AND 1.285 INCHES MAXIMUM | | 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 DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL |
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