|
|
|
National Stock Number:
5310-00-239-7641
Federal Supply Class:
5310
National Item Identification Number:
002397641
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.
|
Manufacturer Information:
| 180612-1 | 71791 | CURTISS-WRIGHT CONTROLS, INC. |
|
Techincal Specification:
| MATERIAL | STEEL COMP 1095 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-7947 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | PHOSPHATE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-P-16232TYM MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | CENTER HOLE SHAPE STYLE | ROUND | | HOLE DIAMETER | 0.310 INCHES NOMINAL | | PERIPHERAL SHAPE STYLE | ROUND | | OVERALL DIAMETER | 0.500 INCHES NOMINAL | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | THICKNESS | 0.025 INCHES MINIMUM AND | | 0.035 INCHES MAXIMUM | | HARDNESS RATING | 47.0 VICKERS OR FIRTH DIAMOND PYRAMID MINIMUM AND | | 52.0 ROCKWELL C MAXIMUM | | HEAT TREATMENT | QUENCHED AND | | TEMPERED | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 71791 | | DESIGN CONTROL REFERENCE | 180612-1 |
|
|