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National Stock Number:
5310-00-594-6253
Federal Supply Class:
5310
National Item Identification Number:
005946253
Description:
WASHER,SHOULDERED AND RECESSED
Detail:
A washer, round in shape, having a centrally located hole. One bearing surface is flat, the other surface is in the form of a raised shoulder (boss) having a flat bearing surface. Either or both of the bearing surfaces must be broken by a counterbore, countersink, or similar shaped recess. The thickness of the shoulder (boss) must not exceed 25 percent of the shoulder (boss) diameter. For items having a shoulder (boss) of greater thickness, use BEARING, SLEEVE; BUSHING, SLEEVE; or SPACER, SLEEVE. Excludes INSULATOR, WASHER and thrust type washers.
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Manufacturer Information:
| A4253-1 | 72914 | GRIMES AEROSPACE COMPANY |
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Techincal Specification:
| HOLE DIAMETER | 0.141 INCHES NOMINAL | | OUTSIDE DIAMETER | 0.625 INCHES NOMINAL | | MATERIAL THICKNESS | 0.050 INCHES NOMINAL | | MATERIAL | ALUMINUM ALLOY OVERALL | | RECESS ANGLE | 90.0 DEGREES NOMINAL | | SHOULDER HEIGHT | 0.062 INCHES NOMINAL | | SHOULDER DIAMETER | 0.281 INCHES NOMINAL | | STYLE DESIGNATOR | SHOULDERED AND RECESSED | | SURFACE FINISH | 100.0 MICROINCHES BOTTOM | | SURFACE FINISH | 100.0 MICROINCHES COUNTERBORE WALL | | SURFACE FINISH | 100.0 MICROINCHES INNER | | SURFACE FINISH | 100.0 MICROINCHES SHOULDER FACE | | SURFACE FINISH | 100.0 MICROINCHES OUTER | | SURFACE FINISH | 40.0 MICROINCHES TOP | | SURFACE TREATMENT | CHROMATE OVERALL |
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