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National Stock Number:
5310-01-250-9219
Federal Supply Class:
5310
National Item Identification Number:
012509219
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:
| 1-001-3201-0053 | 10933 | AVIONIC INSTRUMENTS LLC | | 1467AM-49 | 50064 | O. E. M. CONTROLS, INC. | | 2275-N120 | 06540 | NEW HAVEN MFG CORP AMATOM ELECTRONIC HARDWARE DIV | | 17W02811 | 13764 | MICRO PLASTICS INC | | 2275-N120 | 1YGB8 | CAREY MANUFACTURING CO, INC | | 5610-21-40 | 50064 | O. E. M. CONTROLS, INC. | | 950139-12 | 06481 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | N425P7 | 09172 | GENERAL ELECTRIC CO MATERIALS INFORMATION SERVICES | | A192081 | 13030 | LOCKHEED MARTIN SIPPICAN, INC. | | W2811 | 13764 | MICRO PLASTICS INC | | R-24-2807 | 21793 | ASTRONICS TEST SYSTEMS INC | | 6715459-16 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 5610-21-40 | 86928 | SEASTROM MANUFACTURING CO INC | | 5610-234-40 | 86928 | SEASTROM MANUFACTURING CO INC |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HOLE DIAMETER | 0.115 INCHES MINIMUM AND 0.125 INCHES MAXIMUM | | OVERALL DIAMETER | 0.270 INCHES MINIMUM AND 0.290 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | L-P-410 6/6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | PLASTIC POLYHEXAMETHYLENE ADIPAMIDE OVERALL | | PERIPHERAL SHAPE STYLE | ROUND | | THICKNESS | 0.040 INCHES NOMINAL |
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