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National Stock Number:
5310-00-083-2158
Federal Supply Class:
5310
National Item Identification Number:
000832158
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:
| 176507 | 71791 | CURTISS-WRIGHT CONTROLS, INC. |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | HARDNESS RATING | 25.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM | | HOLE DIAMETER | 0.730 INCHES NOMINAL | | OVERALL DIAMETER | 1.220 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6322 ASSN STD 1ST MATERIAL RESPONSE AND CPS 4528,FSCM 71791 MFR REF 2ND MATERIAL RESPONSE OVERALL | | PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT | | PERIPHERAL SHAPE STYLE | ROUND | | SPECIAL FEATURES | CHAMFERED ON ONE OUTSIDE CORNER 0.050 IN. BY 45 DEG | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | CPS 6081 FSCM 71791 MFR REF SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM OVERALL | | THICKNESS | 0.119 INCHES MINIMUM AND 0.121 INCHES MAXIMUM |
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