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National Stock Number:
5310-20-002-6929
Federal Supply Class:
5310
National Item Identification Number:
200026929
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:
| 738-800121-001 | L1084 | ULTRA ELECTRONICS TCS INC |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | HOLE DIAMETER | 3.00 MILLIMETERS MINIMUM AND 3.20 MILLIMETERS MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-250/8,1.3 (0.051 INCH) THK ASSN STD ALL MATERIAL RESPONSES OVERALL | | MATERIAL | ALUMINUM ALLOY 5052-H34 | | PERIPHERAL SHAPE STYLE | ROUND | | OVERALL DIAMETER | 12.70 MILLIMETERS MAXIMUM | | SPECIAL FEATURES | APLLICABLE STANDARDS AND SPECIFICATIONS: ANSI Y14.5M-1982 | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | CHEMICAL FILM,PER MIL-C-5541,CLASS 3 MIL SPEC ALL TREATMENT RESPONSES OVERALL | | SURFACE TREATMENT | CHEMICAL FILM; CORROSION RESISTANT | | THICKNESS | 1.30 MILLIMETERS NOMINAL |
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