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National Stock Number:
5310-00-987-7568
Federal Supply Class:
5310
National Item Identification Number:
009877568
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:
| 10904953 | 19204 | ARMY, UNITED STATES DEPARTMENT OF THE | | 5310009877568 | 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 | 89.3 ROCKWELL SUPERFICIAL 15-N MINIMUM AND 91.8 ROCKWELL SUPERFICIAL 15-N MAXIMUM | | HEAT TREATMENT | QUENCHED AND TEMPERED | | HOLE DIAMETER | 1.625 INCHES NOMINAL | | OVERALL DIAMETER | 2.875 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-698 FED SPEC 1ST MATERIAL RESPONSE OR QQ-S-698 FED SPEC 2ND MATERIAL RESPONSE OR QQ-S-698 FED SPEC 3RD MATERIAL RESPONSE OR QQ-S-698 FED SPEC 4TH MATERIAL RESPONSE OR QQ-S-698 FED SPEC 5TH MATERIAL RESPONSE OR QQ-T-830 FED SPEC 6TH MATERIAL RESPONSE OR QQ-T-830 FED SPEC 7TH MATERIAL RESPONSE OR QQ-T-830 FED SPEC 8TH MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 1008 OR STEEL COMP 1009 OR STEEL COMP 1015 OR STEEL COMP 1018 OR STEEL COMP 1020 OR STEEL COMP MT1010 OR STEEL COMP MT1015 OR STEEL COMP MT1020 OVERALL | | PERIPHERAL SHAPE STYLE | ROUND | | SURFACE FINISH | 63.0 MICROINCHES BOTTOM | | SURFACE FINISH | 63.0 MICROINCHES TOP | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-P-16232 TY M CL 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | PHOSPHATE OVERALL | | THICKNESS | 0.182 INCHES MINIMUM AND 0.187 INCHES MAXIMUM |
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