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National Stock Number:
5310-00-901-9830
Federal Supply Class:
5310
National Item Identification Number:
009019830
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:
| B2769 | 17472 | EATON AEROSPACE LLC | | B2769 | 72121 | EATON MOTOR SITE |
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Techincal Specification:
| HARDNESS RATING | 44.0 ROCKWELL C MINIMUM AND 46.0 ROCKWELL C MAXIMUM | | HEAT TREATMENT | NORMALIZED | | HOLE DIAMETER | 2.678 INCHES MINIMUM AND 2.698 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL THICKNESS | 0.073 INCHES MINIMUM AND 0.083 INCHES MAXIMUM | | MATERIAL | STEEL COMP E4340 OVERALL | | OUTSIDE DIAMETER | 3.618 INCHES MINIMUM AND 3.623 INCHES MAXIMUM | | RECESS ANGLE | 90.0 DEGREES NOMINAL | | SHOULDER DIAMETER | 2.774 INCHES MINIMUM AND 2.777 INCHES MAXIMUM | | SHOULDER HEIGHT | 0.031 INCHES MINIMUM AND 0.036 INCHES MAXIMUM | | STYLE DESIGNATOR | SHOULDERED AND RECESSED | | SURFACE FINISH | 64.0 MICROINCHES ALL SURFACES |
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