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National Stock Number:
5310-00-979-0591
Federal Supply Class:
5310
National Item Identification Number:
009790591
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:
| 00477 | 14153 | DEFENSE LOGISTICS AGENCY DBA DEFENSE SUPPLY CENTER PHILADELPHIA | | 133009-01 | 35351 | GE AVIATION SYSTEMS LLC |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HOLE DIAMETER | 0.155 INCHES MINIMUM AND 0.165 INCHES MAXIMUM | | OVERALL DIAMETER | 0.312 INCHES MINIMUM AND 0.375 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-200/3 FED SPEC 1ST MATERIAL RESPONSE OVERALL OR QQ-A-225/6 FED SPEC 1ST MATERIAL RESPONSE OVERALL OR QQ-A-225/5 FED SPEC 2ND MATERIAL RESPONSE OVERALL | | MATERIAL | ALUMINUM ALLOY 2024 OVERALL OR ALUMINUM ALLOY 2017 OVERALL | | PERIPHERAL SHAPE STYLE | ROUND W/FLATS | | WIDTH ACROSS FLATS | 0.219 INCHES MINIMUM AND 0.281 INCHES MAXIMUM | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625 TY 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | ANODIZE OVERALL | | THICKNESS | 0.080 INCHES MINIMUM AND 0.085 INCHES MAXIMUM |
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