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National Stock Number:
5310-01-308-6062
Federal Supply Class:
5310
National Item Identification Number:
013086062
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:
| 145C8917PC1 | 04241 | BECHTEL MARINE PROPULSION CORPORATION DBA KNOLLS ATOMIC POWER LABORATORY | | 145C8917PC1(CHROME) | 04241 | BECHTEL MARINE PROPULSION CORPORATION DBA KNOLLS ATOMIC POWER LABORATORY |
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Techincal Specification:
| CRITICALITY CODE JUSTIFICATION | ZZZY | | OVERALL DIAMETER | 7.000 INCHES MINIMUM AND 7.060 INCHES MAXIMUM | | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS | | SPECIAL FEATURES | MATERIAL IS STEEL;SURFACE TREATMENT DOCUMENT MIL-C-23422;SURFACE TREATMENT CROMIUM;MATERIAL DOCUMNET ASTM-A283 | | THICKNESS | 0.720 INCHES MINIMUM AND 0.780 INCHES MAXIMUM |
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