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National Stock Number:
5310-01-047-6986
Federal Supply Class:
5310
National Item Identification Number:
010476986
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:
| 18-54878-1 | 0JRC1 | NORTHROP GRUMMAN TECHNICAL SERVICES, INC. | | 18-54878-1 | 76823 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | 18-54878-1 | 79U29 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | 18-54878-1 | 8X044 | DERCO AEROSPACE, INC. |
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Techincal Specification:
| HOLE DIAMETER | 0.569 INCHES MINIMUM AND 0.579 INCHES MAXIMUM | | OUTSIDE DIAMETER | 0.865 INCHES MINIMUM AND 0.875 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6758,COND D1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL THICKNESS | 0.078 INCHES NOMINAL | | MATERIAL | STEEL COMP 4130 OVERALL | | RECESS ANGLE | 90.0 DEGREES NOMINAL | | RECESS DIAMETER | 0.677 INCHES NOMINAL | | STYLE DESIGNATOR | RECESSED |
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