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National Stock Number:
5310-01-365-0431
Federal Supply Class:
5310
National Item Identification Number:
013650431
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:
| 03A257-7 | 14153 | DEFENSE LOGISTICS AGENCY DBA DEFENSE SUPPLY CENTER PHILADELPHIA | | 03A257-7 | 1W025 | NORTHROP GRUMMAN SYSTEMS CORP | | AS19879-7 | 10630 | ANILLO INDUSTRIES LLC | | MM118-7 | 58009 | MOELLER MANUFACTURING & SUPPLY, LLC | | 03A257-7 | 76823 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | NS202860-7 | 80539 | SPS TECHNOLOGIES, LLC | | VN948-7 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | VN948NP7 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HOLE DIAMETER | 0.439 INCHES MINIMUM AND 0.443 INCHES MAXIMUM | | OVERALL DIAMETER | 0.807 INCHES MINIMUM AND 0.817 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5525 ASSN STD 1ST MATERIAL RESPONSE OR AMS 5737 ASSN STD 1ST MATERIAL RESPONSE OR AMS 5596 ASSN STD 2ND MATERIAL RESPONSE OR AMS 5597 ASSN STD 2ND MATERIAL RESPONSE OR AMS 5662 ASSN STD 2ND MATERIAL RESPONSE OVERALL | | MATERIAL | IRON ALLOY 660 OR NICKEL ALLOY 718 OVERALL | | PERIPHERAL SHAPE STYLE | ROUND | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | THICKNESS | 0.071 INCHES MINIMUM AND 0.085 INCHES MAXIMUM |
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