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National Stock Number:
5310-00-993-5272
Federal Supply Class:
5310
National Item Identification Number:
009935272
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:
| 403282CLA | 00088 | ROYAL OAK GAGE INC | | 403282CLA | 21128 | JDMC ENTERPRISES DBA HIGH SPEED MACHINE PRODUCTS | | 403282CLA | 77445 | RTX CORPORATION | | 488602CL8 | 00088 | ROYAL OAK GAGE INC | | 488602CL8 | 77445 | RTX CORPORATION |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HARDNESS RATING | 45.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM | | HOLE DIAMETER | 0.550 INCHES MINIMUM AND 0.570 INCHES MAXIMUM | | OVERALL DIAMETER | 0.992 INCHES MINIMUM AND 0.996 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5616 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL OVERALL | | PERIPHERAL SHAPE STYLE | ROUND | | SURFACE FINISH | 63.0 MICROINCHES BOTTOM | | SURFACE FINISH | 63.0 MICROINCHES TOP | | THICKNESS | 0.064 INCHES MINIMUM AND 0.065 INCHES MAXIMUM |
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