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National Stock Number:
5310-00-471-6454
Federal Supply Class:
5310
National Item Identification Number:
004716454
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:
| 30-298-116-06 | K5294 | GE AVIATION SYSTEMS LIMITED | | 99-914-3879 | 99995 | NATO STOCK NUMBER ASSIGNED BY ANOTHER NATION | | 99-9468634 | 99995 | NATO STOCK NUMBER ASSIGNED BY ANOTHER NATION | | 99-914-3879 | INTE9 | NATO STOCK NUMBER ASSIGNED BY ANOTHER NATION | | 991400222004 | K2523 | EATON LIMITED | | SP127D | K4975 | UFC AEROSPACE EUROPE LIMITED | | SP127D | K7766 | BRITISH STANDARDS INSTITUTION |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HARDNESS RATING | 92.0 ROCKWELL C MINIMUM AND 98.0 ROCKWELL C MAXIMUM | | HOLE DIAMETER | 0.204 INCHES MINIMUM AND 0.214 INCHES MAXIMUM | | OVERALL DIAMETER | 0.387 INCHES MINIMUM AND 0.407 INCHES MAXIMUM | | MATERIAL | STEEL OVERALL | | PERIPHERAL SHAPE STYLE | ROUND | | SURFACE TREATMENT | CADMIUM OVERALL | | THICKNESS | 0.018 INCHES MINIMUM AND 0.022 INCHES MAXIMUM |
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