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National Stock Number:
5310-01-331-8129
Federal Supply Class:
5310
National Item Identification Number:
013318129
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:
| 168102 30-20 | 58529 | THE BABCOCK & WILCOX COMPANY DIV B&W SERVICE COMPANY DBA B & W SERVICE CO | | 168102D 30-20 | 1M442 | BWXT NUCLEAR OPERATIONS GROUP INC | | 168102D30-20 | 05073 | BABCOCK & WILCOX CO | | 168102D30-20 | 1M442 | BWXT NUCLEAR OPERATIONS GROUP INC | | 168102D30-20 | 58529 | THE BABCOCK & WILCOX COMPANY DIV B&W SERVICE COMPANY DBA B & W SERVICE CO | | 168102D 30-20 | 92439 | BABCOCK & WILCOX COMPANIES THE DIV SALES & SERVICE | | 168102D30-20 | 92439 | BABCOCK & WILCOX COMPANIES THE DIV SALES & SERVICE |
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Techincal Specification:
| CRITICALITY CODE JUSTIFICATION | ZZZY | | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | MATERIAL WILL BE IN ACCORDANCE WITH NAVICP MECH; ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS. |
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