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National Stock Number:
5310-01-484-0105
Federal Supply Class:
5310
National Item Identification Number:
014840105
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:
| 20-B6918 | 28953 | RIX INDUSTRIES | | B7066 | 28953 | RIX INDUSTRIES | | B7066 PIECE NO. 30 | 28953 | RIX INDUSTRIES |
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Techincal Specification:
| OVERALL DIAMETER | 3.750 INCHES NOMINAL | | SPECIAL FEATURES | ON 1ST END 3 HOLES DRILLED 0.257 IN NOM DIA. X 0.500 IN NOM DEEP,TAPPED 0.312-18UNC,CENTER OF HOLES 1.250 IN NOM FROM WASHER CENTER AND 120 DEGREES NOM APART | | SURFACE TREATMENT | CHROMIUM OVERALL | | THICKNESS | 0.660 INCHES NOMINAL | | CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HOLE DIAMETER | 1.503 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A276,TYPE 316 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 316 OVERALL | | PERIPHERAL SHAPE STYLE | ROUND | | PROPRIETARY CHARACTERISTICS | PACS |
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