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National Stock Number:
5310-00-082-8230
Federal Supply Class:
5310
National Item Identification Number:
000828230
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:
| A51H10573-11 | 05722 | S & L AEROSPACE METALS LLC | | A51H10573-11 | 26512 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | A51H10573-11 | 61174 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | A51H10573-11 | 79RG9 | NORTHROP GRUMMAN SYSTEMS CORPORATION |
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Techincal Specification:
| BOTTOM RECESS ANGLE | 90.0 DEGREES NOMINAL | | BOTTOM RECESS DIAMETER | 0.421 INCHES MAXIMUM | | HOLE DIAMETER | 0.3730 INCHES MINIMUM AND 0.3735 INCHES MAXIMUM | | OUTSIDE DIAMETER | 0.548 INCHES MINIMUM AND 0.549 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-M-20693 MIL SPEC ALL MATERIAL RESPONSES OVERALL | | MATERIAL THICKNESS | 0.100 INCHES MINIMUM AND 0.105 INCHES MAXIMUM | | MATERIAL | PLASTIC POLYCAPROLACTAM OR PLASTIC POLYHEXAMETHYLENE AMIDE OVERALL | | STYLE DESIGNATOR | RECESSED BOTH SIDES | | TOP RECESS ANGLE | 90.0 DEGREES NOMINAL | | TOP RECESS DIAMETER | 0.421 INCHES MAXIMUM |
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