|
|
|
National Stock Number:
5310-01-417-3914
Federal Supply Class:
5310
National Item Identification Number:
014173914
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:
| 528-6409001 FIND 20 | 53711 | NAVAL SEA SYSTEMS COMMAND |
|
Techincal Specification:
| MATERIAL | PLASTIC POLYETHYLENE OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM D44020 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | CENTER HOLE SHAPE STYLE | ROUND | | HOLE DIAMETER | 0.750 INCHES MINIMUM AND | | 0.780 INCHES MAXIMUM | | PERIPHERAL SHAPE STYLE | ROUND | | OVERALL DIAMETER | 2.000 INCHES MINIMUM AND | | 2.020 INCHES MAXIMUM | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | THICKNESS | 0.060 INCHES NOMINAL |
|
|