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National Stock Number:
5310-01-253-3721
Federal Supply Class:
5310
National Item Identification Number:
012533721
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:
| 3867171-1 | 82106 | PARKER-HANNIFIN CORPORATION | | 3867171-1 | 93835 | PARKER HANNIFIN CORPORATION |
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Techincal Specification:
| MATERIAL | STEEL COMP 301 OVERALL OR STEEL COMP 302 OVERALL OR STEEL COMP 302B OVERALL OR STEEL COMP 303SE OVERALL OR STEEL COMP 304 OVERALL OR STEEL COMP 304L OVERALL OR STEEL COMP 305 OVERALL OR STEEL COMP 308 OVERALL OR STEEL COMP 309 OVERALL OR STEEL COMP 309S OVERALL OR STEEL COMP 310 OVERALL OR STEEL COMP 310S OVERALL OR STEEL COMP 314 OVERALL OR STEEL COMP 316 OVERALL OR STEEL COMP 316L OVERALL OR STEEL COMP 317 OVERALL OR STEEL COMP 321 OVERALL OR STEEL COMP 347 OVERALL OR STEEL COMP 348 OVERALL OR STEEL COMP 384 OVERALL OR STEEL COMP 385 OVERALL | | PERIPHERAL SHAPE STYLE | ROUND | | CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HOLE DIAMETER | 0.250 INCHES MINIMUM AND 0.253 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763 FED SPEC ALL MATERIAL RESPONSES OVERALL | | PROPRIETARY CHARACTERISTICS | PACS | | OVERALL DIAMETER | 0.560 INCHES NOMINAL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | PS-13001,CAGEC 93835 MFR REF SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | THICKNESS | 0.066 INCHES MINIMUM AND 0.070 INCHES MAXIMUM |
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