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National Stock Number:
5310-00-409-4408
Federal Supply Class:
5310
National Item Identification Number:
004094408
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:
| AN961-1016T | 88044 | AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE | | AN961-1016T | D9182 | ZF INDUSTRIEANTRIEBE WITTEN GMBH | | FFW92 | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC |
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Techincal Specification:
| MATERIAL | COPPER ALLOY 268 OR | | COPPER ALLOY 270 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-B-626 1/2 HARD FED SPEC 1ST MATERIAL RESPONSE OR | | QQ-W-321 1/2 HARD FED SPEC 2ND MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | TIN OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-T-10727 TYPE 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | CENTER HOLE SHAPE STYLE | ROUND | | HOLE DIAMETER | 0.630 INCHES MINIMUM AND | | 0.650 INCHES MAXIMUM | | PERIPHERAL SHAPE STYLE | ROUND | | OVERALL DIAMETER | 1.183 INCHES MINIMUM AND | | 1.208 INCHES MAXIMUM | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | THICKNESS | 0.054 INCHES MINIMUM AND | | 0.074 INCHES MAXIMUM | | NONDEFINITIVE SPEC/STD DATA | A TYPE AND | | 1 GRADE AND | | E CLASS | | SPEC/STD CONTROLLING DATA | | | MANUFACTURERS CODE | 88044 | | DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | AN961-1016T | | MANUFACTURERS CODE | 81348 | | NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | FFW92 |
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