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National Stock Number:
5310-01-176-7023
Federal Supply Class:
5310
National Item Identification Number:
011767023
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:
| 75708P010 | 56874 | LARS INDUSTRIES INC DBA MCDONALD TECHNOLOGIES INTL INC | | HS4134P10 | 02731 | MCDONNELL DOUGLAS HELICOPTER CO INC | | HS4134P10 | 27624 | SPS TECHNOLOGIES LLC | | HS4134P10 | 56878 | SPS TECHNOLOGIES, LLC | | HS4134P10 | 8V613 | THE BOEING COMPANY |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HOLE DIAMETER | 0.627 INCHES MINIMUM AND 0.631 INCHES MAXIMUM | | OVERALL DIAMETER | 1.052 INCHES MINIMUM AND 1.072 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5758 ASSN STD 1ST MATERIAL RESPONSE OR AMS 5844 PER M+35N ASSN STD 2ND MATERIAL RESPONSE OVERALL | | MATERIAL | COBALT ALLOY OVERALL | | SPECIAL FEATURES | 260,000 PSI MIN,HEAT TREATMENT | | PERIPHERAL SHAPE STYLE | ROUND | | THICKNESS | 0.071 INCHES MINIMUM AND 0.085 INCHES MAXIMUM |
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