|
|
|
National Stock Number:
5310-99-724-3446
Federal Supply Class:
5310
National Item Identification Number:
997243446
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:
| 60110381 | K4244 | BAE SYSTEMS GLOBAL COMBAT SYSTEMS LIMITED | | AM 01 08 21040 | K4244 | BAE SYSTEMS GLOBAL COMBAT SYSTEMS LIMITED |
|
Techincal Specification:
| OVERALL DIAMETER | 19.75 MILLIMETERS MINIMUM AND 20.25 MILLIMETERS MAXIMUM | | SURFACE FINISH | 6.3 MICROMETERS ALL SURFACES | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | 171 MIL STD SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | ANODIZE OVERALL | | CENTER HOLE SHAPE STYLE | ROUND | | COLOR | NATURAL OVERALL | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HOLE DIAMETER | 8.40 MILLIMETERS MINIMUM AND 8.60 MILLIMETERS MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | USA ASTM B211 ASSN STD 1ST MATERIAL RESPONSE OVERALL OR USA ASTM B221 ASSN STD 2ND MATERIAL RESPONSE OVERALL OR BSI BS 1474 (EN755) 7075 T7351 NATIONAL SPEC 3RD MATERIAL RESPONSE OVERALL OR BSI BS L160 NATIONAL SPEC 4TH MATERIAL RESPONSE OVERALL | | MATERIAL | ALUMINUM ALLOY OVERALL | | PERIPHERAL SHAPE STYLE | ROUND |
|
|