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National Stock Number:
5310-00-262-4868
Federal Supply Class:
5310
National Item Identification Number:
002624868
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:
| 10510584 | 56161 | GENERAL DYNAMICS LAND SYSTEMS - CANADA CORPORATION | | 5310PL0150180 | 9009H | INSPEKTORAT WSPARCIA SIL ZBROJNYCH | | 65A58 | 1P230 | SPECIALTY WASHER CO OF SOUTH CAROLINA INC | | 65A58 | 43491 | GENERAL SIGNAL CORP | | 920547 | 62983 | EATON AEROSPACE, LLC | | 65A58 | 90166 | EATON AEROSPACE, LLC | | 920547 | 90166 | EATON AEROSPACE, LLC |
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Techincal Specification:
| MATERIAL | STEEL COMP 1040 OR | | STEEL COMP 1541 OR | | STEEL COMP 1045 OR | | STEEL COMP 1050 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | CENTER HOLE SHAPE STYLE | ROUND | | HOLE DIAMETER | 0.250 INCHES MINIMUM AND | | 0.281 INCHES MAXIMUM | | PERIPHERAL SHAPE STYLE | ROUND | | OVERALL DIAMETER | 0.385 INCHES MINIMUM AND | | 0.395 INCHES MAXIMUM | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | THICKNESS | 0.047 INCHES MINIMUM AND | | 0.078 INCHES MAXIMUM | | HARDNESS RATING | 65.8 ROCKWELL A MINIMUM AND | | 69.4 ROCKWELL A MAXIMUM |
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