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National Stock Number:
5310-00-210-1906
Federal Supply Class:
5310
National Item Identification Number:
002101906
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:
| 733988PC4 | 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER |
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Techincal Specification:
| MATERIAL | STEEL COMP 1010 OR | | STEEL COMP 1045 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD ALL MATERIAL RESPONSES OVERALL | | SURFACE TREATMENT | PHOSPHATE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-16232 TYPE 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | CENTER HOLE SHAPE STYLE | ROUND | | PERIPHERAL SHAPE STYLE | ROUND | | OVERALL DIAMETER | 1.865 INCHES MINIMUM AND | | 1.885 INCHES MAXIMUM | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | THICKNESS | 0.120 INCHES MINIMUM AND | | 0.125 INCHES MAXIMUM | | HARDNESS RATING | 42.0 ROCKWELL C MINIMUM AND | | 47.0 ROCKWELL C MAXIMUM | | SPECIAL FEATURES | DIAMETER 1.563 IN. MIN.,1.568 IN. MAX. |
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