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National Stock Number:
5310-01-618-2907
Federal Supply Class:
5310
National Item Identification Number:
016182907
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:
| 001-050367-004 | 02FP7 | INSITU, INC. | | 78017 | 0Y3H3 | FASTENAL COMPANY |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | COLOR | SILVER OVERALL | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HOLE DIAMETER | 0.401 INCHES MINIMUM AND 0.411 INCHES MAXIMUM | | PART NAME ASSIGNED BY CONTROLLING AGENCY | 3/8 316 STAINLESS STEEL SMALL OD FLAT WASHER | | MATERIAL | STEEL COMP 316 OVERALL | | OVERALL DIAMETER | 0.870 INCHES MINIMUM AND 0.880 INCHES MAXIMUM | | PERIPHERAL SHAPE STYLE | ROUND | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM A380 ASSN STD SINGLE TREATMENT RESPONSE OVERALL | | THICKNESS | 0.043 INCHES MINIMUM AND 0.057 INCHES MAXIMUM |
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