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National Stock Number:
5310-01-591-9848
Federal Supply Class:
5310
National Item Identification Number:
015919848
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:
| 0.812ODX0.406IDX0.065 CRES | 53711 | NAVAL SEA SYSTEMS COMMAND | | 0.812ODX0.406IDX0.065 CRESD4 | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG | | 709-8345732-003-006D4 | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG | | 709-8345732-003-006 | 53711 | NAVAL SEA SYSTEMS COMMAND |
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Techincal Specification:
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTMA240 FED STD ALL MATERIAL RESPONSES AND UNSS31600 FED STD ALL MATERIAL RESPONSES OVERALL | | MATERIAL | STEEL COMP 304 OVERALL | | III PART NAME ASSIGNED BY CONTROLLING AGENCY | WASHER, PLAIN 0.25, TY B NARROW | | PROPRIETARY CHARACTERISTICS | PACS | | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | MATERIAL CONTROLLED IAW SS800-AG-MAN-010/P-9290 SYSTEM CERTIFICATION PRODURES AND CRITERIA MANUAL FOR DEEP SUBMERGENCE SYSTEMS; CRITICAL ITEM FOR SAFETY AND SURVIVAL OF DEEP SUBMERGENCE RESEARCH AND RESCUE VEHICLES AS DIFFERENTIATED BY SPECIAL TEST FEATURES | | CRITICALITY CODE JUSTIFICATION | ZZZY |
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