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National Stock Number:
5310-01-552-7625
Federal Supply Class:
5310
National Item Identification Number:
015527625
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:
| 25155285 | Z4117 | VOLVO GROUP GOVERNMENT SALES OCEANIA | | 35AX1548 | 89619 | MACK TRUCKS, INC. | | 35AX1548 | Z4117 | VOLVO GROUP GOVERNMENT SALES OCEANIA |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HOLE DIAMETER | 0.515 INCHES MINIMUM AND 0.547 INCHES MAXIMUM | | OVERALL DIAMETER | 0.984 INCHES MINIMUM AND 1.016 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | SAE-1050 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL OVERALL | | PART NAME ASSIGNED BY CONTROLLING AGENCY | WASHER, THROUGH HARDENED-SPECIAL | | PERIPHERAL SHAPE STYLE | ROUND | | SPECIAL FEATURES | MATERIAL:THROUGH HARDENED TO RC 40-45; FINISH:ZINC PLATE PLUS COLORED CHROMATE 0.0002-0.0004 THICK, 24 HRS SALT SPRAY PER ASTM-B117 | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM-B117 ASSN STD SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | ZINC AND CHROMATE OVERALL | | THICKNESS | 0.134 INCHES NOMINAL |
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