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National Stock Number:
5310-01-354-2313
Federal Supply Class:
5310
National Item Identification Number:
013542313
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:
| 508891 | 12909 | CARDION INC | | 508891 | 20284 | AIMTRON SYSTEMS, LLC |
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Techincal Specification:
| HOLE DIAMETER | 3.250 INCHES MINIMUM AND 3.253 INCHES MAXIMUM | | OVERALL DIAMETER | 4.605 INCHES MINIMUM AND 4.610 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A240 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 304 OVERALL | | PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-F-14072,E300 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | THICKNESS | 0.060 INCHES NOMINAL |
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