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National Stock Number:
5310-00-153-9102
Federal Supply Class:
5310
National Item Identification Number:
001539102
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:
| 4P30032-701B | 98897 | LOCKHEED MARTIN CORP |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HEAT TREATMENT | COLD ROLLED | | HOLE DIAMETER | 1.078 INCHES NOMINAL | | OVERALL DIAMETER | 1.807 INCHES MINIMUM AND 1.832 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-7952 MIL SPEC 1ST MATERIAL RESPONSE AND QQ-S-698 T1 OR T2 FED SPEC 2ND MATERIAL RESPONSE AND QQ-S-698 T1 OR T2 FED SPEC 3RD MATERIAL RESPONSE AND QQ-S-698 T1 OR T2 FED SPEC 4TH MATERIAL RESPONSE AND QQ-S-698 T1 OR T2 FED SPEC 5TH MATERIAL RESPONSE AND QQ-S-698 T1 OR T2 FED SPEC 6TH MATERIAL RESPONSE AND QQ-S-698 T1 OR T2 FED SPEC 7TH MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL OR STEEL COMP 1008 OR STEEL COMP 1009 OR STEEL COMP 1010 OR STEEL COMP 1015 OR STEEL COMP 1018 OR STEEL COMP 1020 OVERALL | | PERIPHERAL SHAPE STYLE | ROUND W/FLATS | | WIDTH ACROSS FLATS | 1.360 INCHES NOMINAL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM OVERALL | | THICKNESS | 0.090 INCHES NOMINAL |
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