washers › flat washers
A1638-12
Flat Washer
Description
Hole Diameter: 1/4", Diameter: 1/2", A1638 series washer
Specifications
| Hole Diameter | 0.255 inches minimum and 0.260 inches maximum |
|---|---|
| Material | Steel |
| Overall Diameter | 0.450 |
| Surface Treatment | Cadmium plated |
| Thickness | 0.062 |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
- A1638-5
- A1638-12
Cross-reference
No interchangeable or dimensionally similar parts are on record for A1638-12. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error