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National Stock Number:
5310-00-913-1294
Federal Supply Class:
5310
National Item Identification Number:
009131294
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:
| 69456A10 | 73030 | HAMILTON SUNDSTRAND CORPORATION |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HARDNESS RATING | 70.0 ROCKWELL B MINIMUM AND 100.0 ROCKWELL B MAXIMUM | | HOLE DIAMETER | 0.145 INCHES MINIMUM AND 0.149 INCHES MAXIMUM | | OVERALL DIAMETER | 0.307 INCHES MINIMUM AND 0.332 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5515 ASSN STD 1ST MATERIAL RESPONSE AND MIL-S-7720,COND A MIL SPEC 2ND MATERIAL RESPONSE AND AMS 5513 ASSN STD 3RD MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OVERALL | | PERIPHERAL SHAPE STYLE | ROUND | | SURFACE TREATMENT | PASSIVATE OVERALL | | THICKNESS | 0.027 INCHES MINIMUM AND 0.036 INCHES MAXIMUM |
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