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National Stock Number:
5310-01-030-2280
Federal Supply Class:
5310
National Item Identification Number:
010302280
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:
| LD153-0016-2005 | 43999 | THE BOEING COMPANY |
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Techincal Specification:
| MATERIAL | STEEL COMP 4130 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-18729 MIL SPEC SINGLE MATERIAL RESPONSE OR | | MIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | NICKEL AND | | ZINC OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | L0109-005,FSCM 43999 MFR REF SINGLE TREATMENT RESPONSE OVERALL | | CENTER HOLE SHAPE STYLE | ROUND | | HOLE DIAMETER | 0.315 INCHES MINIMUM AND | | 0.324 INCHES MAXIMUM | | PERIPHERAL SHAPE STYLE | ROUND | | OVERALL DIAMETER | 0.594 INCHES NOMINAL | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | THICKNESS | 0.058 INCHES MINIMUM AND | | 0.068 INCHES MAXIMUM | | MINIMUM TENSILE STRENGTH | 180000 POUNDS PER SQUARE INCH | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 43999 | | DESIGN CONTROL REFERENCE | LD153-0016-2005 |
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