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National Stock Number:
5310-00-878-7693
Federal Supply Class:
5310
National Item Identification Number:
008787693
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:
| 10908582 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM | | 5310008787693 | SCY13 | E.C.A ETABLISSEMENT CENTRALD'APPROVISIONNEMENT DES FORCES ARMEE |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | FEATURES PROVIDED | CASEHARDENED | | HARDNESS RATING | 88.9 ROCKWELL SUPERFICIAL 15-N MINIMUM AND 91.8 ROCKWELL SUPERFICIAL 15-N MAXIMUM | | HEAT TREATMENT | QUENCHED AND TEMPERED | | HOLE DIAMETER | 0.876 INCHES MINIMUM AND 0.886 INCHES MAXIMUM | | OVERALL DIAMETER | 1.750 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-T-830 FED SPEC ALL MATERIAL RESPONSES OVERALL | | MATERIAL | STEEL COMP MT1010 OR STEEL COMP MT1015 OR STEEL COMP MT1020 OR STEEL COMP MTX1015 OR STEEL COMP MTX1020 OVERALL | | PERIPHERAL SHAPE STYLE | ROUND | | SURFACE FINISH | 63.0 MICROINCHES TOP | | SURFACE FINISH | 63.0 MICROINCHES BOTTOM | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-P-16232,TYPE M,CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | PHOSPHATE OVERALL | | THICKNESS | 0.095 INCHES MINIMUM AND 0.100 INCHES MAXIMUM |
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