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National Stock Number:
5310-01-618-5855
Federal Supply Class:
5310
National Item Identification Number:
016185855
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:
| 3392AS1954 | 30003 | NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER | | 90183A314 | 39428 | MCMASTER-CARR SUPPLY CO |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | FEATURES PROVIDED | MAGNETIZED | | HOLE DIAMETER | 0.163 INCHES NOMINAL | | PART NAME ASSIGNED BY CONTROLLING AGENCY | STAINLESS STEEL FLAT WASHER;18-8 STAINLESS STEEL BLIND RIVET WASHER | | PERIPHERAL SHAPE STYLE | ROUND | | MATERIAL | STEEL PROPERTY CLASS 18.8 OVERALL | | OVERALL DIAMETER | 0.4375 INCHES NOMINAL | | SPECIAL FEATURES | WASHER MAY BE MILDLY MAGNETIC | | THICKNESS | 0.05 INCHES MINIMUM AND 0.07 INCHES MAXIMUM |
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