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National Stock Number:
5310-99-604-1357
Federal Supply Class:
5310
National Item Identification Number:
996041357
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:
| F289687 | K0289 | BRITISH AEROSPACE MILITARY AIRCRAFT & AEROSTRUCTURES | | F289687 | K1987 | BAE SYSTEMS PLC | | F289687 | U9143 | BAE SYSTEMS (OPERATIONS) LIMITED |
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Techincal Specification:
| MATERIAL DOCUMENT AND CLASSIFICATION | BSI 2L72 NATIONAL SPEC SINGLE MATERIAL RESPONSE OR STD 224 MFR REF SINGLE MATERIAL RESPONSE OR STD 1741 MFR REF SINGLE MATERIAL RESPONSE | | MATERIAL | ALUMINUM | | PERIPHERAL SHAPE STYLE | ROUND | | OVERALL DIAMETER | 1.350 INCHES NOMINAL | | SPECIAL FEATURES | EPOXY FINISH | | SURFACE TREATMENT | ANODIZE AND PRIMER | | THICKNESS | 0.080 INCHES NOMINAL | | CENTER HOLE SHAPE STYLE | ROUND | | COLOR | NATURAL | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HOLE DIAMETER | 0.770 INCHES NOMINAL |
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