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National Stock Number:
5310-00-928-2933
Federal Supply Class:
5310
National Item Identification Number:
009282933
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:
| LD153-0016-2003 | 43999 | THE BOEING COMPANY |
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Techincal Specification:
| MATERIAL | STEEL OVERALL | | SURFACE TREATMENT | NICKEL OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | A0109-005 FSCM43999 MFR REF SINGLE TREATMENT RESPONSE OVERALL | | CENTER HOLE SHAPE STYLE | ROUND | | HOLE DIAMETER | 0.192 INCHES MINIMUM AND | | 0.199 INCHES MAXIMUM | | PERIPHERAL SHAPE STYLE | ROUND | | OVERALL DIAMETER | 0.438 INCHES NOMINAL | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | THICKNESS | 0.058 INCHES MINIMUM AND | | 0.068 INCHES MAXIMUM | | HEAT TREATMENT | AS FABRICATED | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 43999 | | DESIGN CONTROL REFERENCE | LD153-0016-2003 |
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