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National Stock Number: 5310-01-508-8017
Federal Supply Class: 5310
National Item Identification Number: 015088017
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:
5086D-16040 | 25567 | THE GORMAN-RUPP COMPANY | 93016J4303 | 01365 | MARINE CORPS LOGISTICS COMMAND TECHNICAL DATA REPOSITORY CUSTOMER SERVICE-MICC LOGISTICS OPERATIONS CENTER | 93016J4303 | 25567 | THE GORMAN-RUPP COMPANY |
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Techincal Specification:
CENTER HOLE SHAPE STYLE | ROUND | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | HARDNESS RATING | 28.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM | HOLE DIAMETER | 1.254 INCHES MINIMUM AND 1.260 INCHES MAXIMUM | INSIDE LEFT CORNER CHAMFER ANGLE | 44.0 DEGREES MINIMUM AND 46.0 DEGREES MAXIMUM | OVERALL DIAMETER | 1.970 INCHES MINIMUM AND 2.030 INCHES MAXIMUM | MATERIAL | STEEL COMP 4140 OVERALL | PERIPHERAL SHAPE STYLE | ROUND | SUPPLEMENTARY FEATURES | MATERIAL IS SAE 4140. LEADED. H.R. ALLOY STEEL, H.T. TO 28-34 RC; ALL SURFACES MACHINED TO 125 RMS | THICKNESS | 0.248 INCHES MINIMUM AND 0.252 INCHES MAXIMUM |
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