|
|
|
National Stock Number:
5310-01-586-7533
Federal Supply Class:
5310
National Item Identification Number:
015867533
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:
| LS1049074 | 01417 | GENERAL DYNAMICS LAND SYSTEMS INC. |
|
Techincal Specification:
| MATERIAL | STEEL OVERALL | | III SUPPLEMENTARY FEATURES | NHA-LS1031697 | | PERIPHERAL SHAPE STYLE | ROUND | | PROPRIETARY CHARACTERISTICS | PACS | | OVERALL DIAMETER | 2.500 INCHES NOMINAL | | THICKNESS | 0.270 INCHES NOMINAL | | CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HARDNESS RATING | 28.0 ROCKWELL C MINIMUM AND 33.0 ROCKWELL C MAXIMUM | | HOLE DIAMETER | 0.510 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | STEEL ALLOY SAE 4340 PER ASTM A322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
|
|