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National Stock Number:
5310-00-438-7162
Federal Supply Class:
5310
National Item Identification Number:
004387162
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:
| 139021 | 26512 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | 139021 | 65780 | TEK PRECISION CO LIMITED |
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Techincal Specification:
| MATERIAL | ALUMINUM ALLOY 2024 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-200/3 FED SPEC SINGLE MATERIAL RESPONSE OR | | QQ-225/6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | ANODIZE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625 TYPE 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | STYLE DESIGNATOR | SHOULDERED AND RECESSED | | HOLE DIAMETER | 0.140 INCHES MINIMUM AND | | 0.145 INCHES MAXIMUM | | SHOULDER DIAMETER | 0.235 INCHES MINIMUM AND | | 0.240 INCHES MAXIMUM | | OUTSIDE DIAMETER | 0.562 INCHES NOMINAL | | RECESS DIAMETER | 0.202 INCHES NOMINAL | | SHOULDER HEIGHT | 0.036 INCHES NOMINAL | | MATERIAL THICKNESS | 0.037 INCHES MINIMUM AND | | 0.047 INCHES MAXIMUM | | RECESS ANGLE | 90.0 DEGREES NOMINAL | | SURFACE FINISH | 40.0 MICROINCHES INNER | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 26512 | | DESIGN CONTROL REFERENCE | 139021 |
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