|
|
|
National Stock Number:
5310-01-341-3142
Federal Supply Class:
5310
National Item Identification Number:
013413142
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:
| 70700-20130-142 | 78286 | SIKORSKY AIRCRAFT CORPORATION |
|
Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | BLANK RECTANGULAR | | HOLE DIAMETER | 0.501 INCHES MINIMUM AND 0.502 INCHES MAXIMUM | | OUTSIDE LEFT CORNER CHAMFER ANGLE | 10.0 DEGREES MINIMUM AND 20.0 DEGREES MAXIMUM | | OVERALL DIAMETER | 0.885 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OR AMS 5630 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 440C OVERALL | | PERIPHERAL SHAPE STYLE | ROUND | | THICKNESS | 0.250 INCHES NOMINAL |
|
|