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National Stock Number:
5310-01-494-8569
Federal Supply Class:
5310
National Item Identification Number:
014948569
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:
| 01-1242 | KC1D0 | PARAMOUNT PANELS UK | | 563-5611 | 06097 | HOFFMAN ENGINEERING, LLC | | L56-11 | 06097 | HOFFMAN ENGINEERING, LLC | | A3154526 | 80063 | US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR | | A3154526-1 | 80063 | US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HOLE DIAMETER | 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM | | OVERALL DIAMETER | 0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM D1056,TY 2,CL C,GR 2 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | RUBBER SYNTHETIC OVERALL | | PERIPHERAL SHAPE STYLE | ROUND | | SPECIAL FEATURES | MATERIAL;NEOPRENE SPONGE,CLOSED CELL | | THICKNESS | 0.048 INCHES MINIMUM AND 0.078 INCHES MAXIMUM |
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