o-rings › packing retainers
MS28777-4
Military Standard Packing Retainer
Description
Washer; Leather
Specifications
| Center Hole Diameter | Between 0.3355 inches and 0.3505 inches |
|---|---|
| Cross Sectional Shape | Square/rectangular |
| Cross-Sectional Height | Between 0.084 inches and 0.104 inches |
| Industry Standards/Certification | MS28777 |
| Inside Diameter | 0.3430 in |
| Material | Non-Metallic |
| Material Specification | Mil-w-5521 military specification single material response |
| NIIN | 00-186-4947 |
| NSN | 5330-00-186-4947 |
| Peripheral Diameter | 0.577 |
| Thickness | 0.094 in |
| Tubing Outside Diameter | 1/4 in |
| Weight | 0.0002 lb |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
- MS28777-3
- MS28777-4
- MS28777-12
Cross-reference
No interchangeable or dimensionally similar parts are on record for MS28777-4. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error