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National Stock Number:
5310-01-624-3587
Federal Supply Class:
5310
National Item Identification Number:
016243587
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:
| 17-3-3799 | 81337 | W1D1 NATICK SOLDIER CENTER | | 17-3-3799-2 | 81337 | W1D1 NATICK SOLDIER CENTER |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | COLOR | TAN OVERALL | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HOLE DIAMETER | 0.260 INCHES MINIMUM AND 0.271 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A240 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 304 OVERALL | | PART NAME ASSIGNED BY CONTROLLING AGENCY | WASHER,ISOLATOR,COOLANT TANK-BOTTOM | | PERIPHERAL SHAPE STYLE | SQUARE | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | CLEAN,PRETREAT,PRIME AND PAINT IAW 17-3-3208 MFR REF SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | | | THICKNESS | 0.090 INCHES NOMINAL | | WIDTH ACROSS FLATS | 0.688 INCHES NOMINAL |
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