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National Stock Number:
5310-00-189-6819
Federal Supply Class:
5310
National Item Identification Number:
001896819
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:
| 13608 | 11599 | TRIUMPH ENGINE CONTROL SYSTEMS LLC |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HARDNESS RATING | 26.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM | | HOLE DIAMETER | 0.434 INCHES MINIMUM AND 0.440 INCHES MAXIMUM | | OVERALL DIAMETER | 0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5610 ASSN STD 1ST MATERIAL RESPONSE AND AMS 5504 ASSN STD 2ND MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 416F OR STEEL COMP 410 OVERALL | | PERIPHERAL SHAPE STYLE | ROUND | | SURFACE TREATMENT | OXIDE FILM OVERALL | | THICKNESS | 0.059 INCHES MINIMUM AND 0.065 INCHES MAXIMUM |
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