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National Stock Number:
5310-01-280-5789
Federal Supply Class:
5310
National Item Identification Number:
012805789
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:
| 4F69213-101A | 6Z800 | A AND M AEROSPACE, INC. | | 4F69213-101A | 98897 | LOCKHEED MARTIN CORP |
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Techincal Specification:
| CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | LENGTH | 2.440 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5059,TYPE 301 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 301 OVERALL | | PERIPHERAL SHAPE STYLE | OVAL | | RADIUS AT SMALL END | 0.310 INCHES NOMINAL | | RADIUS AT LARGE END | 0.900 INCHES NOMINAL | | SPECIAL FEATURES | CTR HOLE SHAPE,DOUBLE HEXAGON,1.000 IN. ACROSS FLATS; MOUNTING HOLE CTR 1.070 IN. FM CTR HOLE AXIS | | WIDTH | 1.800 INCHES NOMINAL | | THICKNESS | 0.063 INCHES NOMINAL |
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