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National Stock Number:
5310-00-588-2753
Federal Supply Class:
5310
National Item Identification Number:
005882753
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:
| 19144P | 81412 | TREADWELL CORPORATION (DELAWARE) | | 19144PCMKP | 81412 | TREADWELL CORPORATION (DELAWARE) | | 19144PCP | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG | | 19187PC82 | 81412 | TREADWELL CORPORATION (DELAWARE) | | 21-19569MKP | 81412 | TREADWELL CORPORATION (DELAWARE) | | 21-19569MKP | D9182 | ZF INDUSTRIEANTRIEBE WITTEN GMBH | | 21-19569MKPCP | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CRITICALITY CODE JUSTIFICATION | ZZZY | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HOLE DIAMETER | 0.640 INCHES MINIMUM AND 0.642 INCHES MAXIMUM | | OVERALL DIAMETER | 0.995 INCHES MINIMUM AND 0.997 INCHES MAXIMUM | | MATERIAL | STEEL OVERALL | | PERIPHERAL SHAPE STYLE | ROUND | | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D | | SURFACE FINISH | 63.0 MICROINCHES ALL SURFACES | | THICKNESS | 0.139 INCHES MINIMUM AND 0.141 INCHES MAXIMUM |
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