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National Stock Number:
5310-01-137-8992
Federal Supply Class:
5310
National Item Identification Number:
011378992
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:
| 182110-4 | 71791 | CURTISS-WRIGHT CONTROLS, INC. |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HOLE DIAMETER | 0.135 INCHES MINIMUM AND 0.136 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5513 ASSN STD 1ST MATERIAL RESPONSE OVERALL OR AMS 5640 ASSN STD 2ND MATERIAL RESPONSE OVERALL OR AMS 5640 ASSN STD 3RD MATERIAL RESPONSE OVERALL OR AMS 5640 ASSN STD 4TH MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 304 OVERALL OR STEEL COMP 303 OVERALL OR STEEL COMP 303 PLUS X OVERALL OR STEEL COMP 303SE OVERALL | | PERIPHERAL SHAPE STYLE | ROUND | | PROPRIETARY CHARACTERISTICS | PACS | | OVERALL DIAMETER | 0.220 INCHES NOMINAL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | CPS 6515,FSCM 71791 MFR REF SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | THICKNESS | 0.017 INCHES MINIMUM AND 0.023 INCHES MAXIMUM |
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