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National Stock Number:
5310-99-818-1760
Federal Supply Class:
5310
National Item Identification Number:
998181760
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:
| AMP 01 03 21012 | K4244 | BAE SYSTEMS GLOBAL COMBAT SYSTEMS LIMITED | | AMP-01-03-21008 | K4244 | BAE SYSTEMS GLOBAL COMBAT SYSTEMS LIMITED |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | COLOR | BLACK | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HOLE DIAMETER | 16.10 MILLIMETERS MINIMUM AND 16.25 MILLIMETERS MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM B211 ASSN STD 1ST MATERIAL RESPONSE OR 2014,UNS A92014-T6 ASSN STD 2ND MATERIAL RESPONSE OR BS 1474(EN 755) NATIONAL SPEC 3RD MATERIAL RESPONSE OR 2014A-T6 ASSN STD 4TH MATERIAL RESPONSE | | MATERIAL | ALUMINUM ALLOY | | PERIPHERAL SHAPE STYLE | ROUND | | OVERALL DIAMETER | 36.750 MILLIMETERS MINIMUM AND 37.250 MILLIMETERS MAXIMUM | | SPECIAL FEATURES | BEVELLED ID | | SURFACE FINISH | 6.3 MICROMETERS | | SURFACE TREATMENT | ANODIZE | | THICKNESS | 7.0 MILLIMETERS MINIMUM AND 7.5 MILLIMETERS MAXIMUM |
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