|
|
|
National Stock Number:
5310-00-285-9157
Federal Supply Class:
5310
National Item Identification Number:
002859157
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:
| 300117-9 | 05340 | LIDGERWOOD MANUFACTURING COMPANY |
|
Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HOLE DIAMETER | 2.249 INCHES NOMINAL | | OVERALL DIAMETER | 3.880 INCHES NOMINAL | | PERIPHERAL SHAPE STYLE | ROUND | | SPECIAL FEATURES | MATERIAL-FIBERGLASS W/RESIN;3 KEYWAYS 0.250 IN. W BY 0.125 IN. DEEP EQUALLY SPACED IN. WASHER FACE;3 0.250 IN. DIA THRU HOLES IN WASHER FACE 90 DEGREES APART | | THICKNESS | 0.370 INCHES NOMINAL |
|
|