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National Stock Number:
5310-00-771-3842
Federal Supply Class:
5310
National Item Identification Number:
007713842
Description:
WASHER,FLAT
Detail:
A washer having a centrally located hole with a solid or laminated cross-section and two flat parallel bearing surfaces. The hole must be 75 percent or less than the largest dimension and the bearing surface finish is greater than 32 microinch (0.8 micrometer). The thickness cannot exceed 25 percent of the largest outside dimension. When the largest outside dimension is less than 1/4 inch or 6mm, the thickness must be 0.006 inches (0.15mm) or greater and for items 1/4 inch (6mm) or larger, the thickness must be 0.016 inches (0.4mm) or greater. The maximum tolerance is applied to dimensions and used as a determining factor. Items with separable lamination use SHIM. For items fabricated from ceramic or electrically rated materials by specification or industry standards use INSULATOR (1), WASHER. Excludes DISK, VALVE, graphite impregnated and lubricated items.
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Manufacturer Information:
| 0S026471 | 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER | | AN960-6L | 88044 | AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | DEPARTURE FROM CITED DESIGNATOR | PART NO. AN960-6L AS MODIFIED BY REPLY TO SPECIAL FEATURES | | HOLE DIAMETER | 0.151 INCHES MINIMUM AND 0.161 INCHES MAXIMUM | | OVERALL DIAMETER | 0.375 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-636,COND 1 /CANC/ FED SPEC 1ST MATERIAL RESPONSE AND QQ-S-636,COND 2 /CANC/ FED SPEC 2ND MATERIAL RESPONSE AND MIL-S-7952,COMP 1020 MIL SPEC 3RD MATERIAL RESPONSE AND MIL-S-7952,COMP 1025 MIL SPEC 4TH MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL AND STEEL COMP 1020 AND STEEL COMP 1025 OVERALL | | PERIPHERAL SHAPE STYLE | ROUND | | SPECIAL FEATURES | REQUIRES ENVIRONMENTAL TESTIN ACCORDANCE W/SPECIAL PROJECTS FLEET BALLISTIC MISSILEPLAN OP 2747 | | SURFACE TREATMENT | CADMIUM OVERALL | | THICKNESS | 0.016 INCHES NOMINAL |
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