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National Stock Number:
5310-01-257-3236
Federal Supply Class:
5310
National Item Identification Number:
012573236
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:
| 176058-001 | 19156 | MOOG INC | | 176058-001 | 94697 | MOOG INC | | 176058-001 | 9P5N5 | MOOG MILITARY AIRCRAFT LLC |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HOLE DIAMETER | 0.143 INCHES MINIMUM AND 0.153 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-250/8,TEMPER H32 OR H34 FED SPEC 1ST MATERIAL RESPONSE OR QQ-A-250/5,T3 OR T4 FED SPEC 2ND MATERIAL RESPONSE OVERALL | | MATERIAL | ALUMINUM ALLOY 5052 OR ALUMINUM ALLOY 2024 OVERALL | | III HEAT TREATMENT | H-32 STRAIN HARDENED, STABILIZED TO 1/4 HARD OR H-34 STRAIN HARDENED, STABILIZED TO 1/2 HARD OR T-3 SOLUTION HEAT TREATED, COLD WORKED OR T-4 SOLUTION HEAT TREATED, NATURAL AGED | | PERIPHERAL SHAPE STYLE | ROUND | | PROPRIETARY CHARACTERISTICS | PACS | | OVERALL DIAMETER | 0.276 INCHES MINIMUM AND 0.281 INCHES MAXIMUM | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625,TYPE 2 MIL SPEC 1ST TREATMENT RESPONSE OR MIL-C-5541 MIL SPEC 2ND TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | ANODIZE OR CHROMATE OVERALL | | THICKNESS | 0.028 INCHES MINIMUM AND 0.036 INCHES MAXIMUM |
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