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National Stock Number: 5310-00-238-3133
Federal Supply Class: 5310
National Item Identification Number: 002383133
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:
0N009808 | 98230 | NATIONAL SECURITY AGENCY |
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Techincal Specification:
HOLE DIAMETER | 0.323 INCHES MINIMUM AND 0.327 INCHES MAXIMUM | OUTSIDE DIAMETER | 0.750 INCHES NOMINAL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-B-637 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | MATERIAL THICKNESS | 0.063 INCHES NOMINAL | MATERIAL | COPPER ALLOY 482 OVERALL | RECESS DIAMETER | 0.437 INCHES NOMINAL | SHOULDER HEIGHT | 0.057 INCHES NOMINAL | SHOULDER DIAMETER | 0.437 INCHES NOMINAL | SPECIAL FEATURES | HOLE OPPOSITE SHOULDER CHAMFERED 0.062 IN. BY 45 DEG | STYLE DESIGNATOR | SHOULDERED AND RECESSED | SURFACE FINISH | 100.0 MICROINCHES BOTTOM | SURFACE FINISH | 100.0 MICROINCHES COUNTERBORE WALL | SURFACE FINISH | 100.0 MICROINCHES OUTER | SURFACE FINISH | 100.0 MICROINCHES INNER | SURFACE FINISH | 100.0 MICROINCHES SHOULDER FACE | SURFACE FINISH | 40.0 MICROINCHES TOP | TEST DATA DOCUMENT | 98230-0N009808 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING) |
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