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National Stock Number:
5310-01-209-7989
Federal Supply Class:
5310
National Item Identification Number:
012097989
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:
| A02R2723-1 | 77272 | THE BOEING COMPANY |
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Techincal Specification:
| HARDNESS RATING | 57.0 ROCKWELL C MINIMUM AND 60.0 ROCKWELL C MAXIMUM | | HOLE DIAMETER | 1.000 INCHES MINIMUM AND 1.003 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5630 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL THICKNESS | 0.127 INCHES MINIMUM AND 0.139 INCHES MAXIMUM | | MATERIAL | STEEL COMP 440C OVERALL | | PROPRIETARY CHARACTERISTICS | PACS | | OUTSIDE DIAMETER | 1.875 INCHES NOMINAL | | RECESS ANGLE | 90.0 DEGREES NOMINAL | | SHOULDER DIAMETER | 1.300 INCHES NOMINAL | | SHOULDER HEIGHT | 0.075 INCHES MINIMUM AND 0.085 INCHES MAXIMUM | | SPECIAL FEATURES | ONE FLAT SIDE ON OUTSIDE DIAMETER,0.0425 INCHES;OUTSIDE DIAMETER CHAMFERED ON END OPPOSITE RECESS,11 DEGREES | | STYLE DESIGNATOR | SHOULDERED AND RECESSED | | SURFACE FINISH | 63.0 MICROINCHES BOTTOM | | SURFACE FINISH | 63.0 MICROINCHES TOP |
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