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National Stock Number:
5310-00-143-5755
Federal Supply Class:
5310
National Item Identification Number:
001435755
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:
| 05-370029 | 31435 | LUCAS AEROSPACE POWER EQUIPMENT CORPORATION | | 05-370029 | 3CPE0 | SAFRAN POWER USA LLC |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HOLE DIAMETER | 0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM | | OVERALL DIAMETER | 1.334 INCHES MINIMUM AND 1.354 INCHES MAXIMUM | | MATERIAL | STEEL OVERALL | | PERIPHERAL SHAPE STYLE | ROUND | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | PS2201 MFR REF 1ST TREATMENT RESPONSE OR PS2205 31435 MFR REF 2ND TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM OR ZINC OVERALL | | THICKNESS | 0.0428 INCHES MINIMUM AND 0.0528 INCHES MAXIMUM |
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