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MS28775-121
Military Standard Ring O
Description
Inner diameter: 1.049, thickness: 0.103", preformed packing hydraulic o-ring
Specifications
| Center Hole Diameter | Between 1.043 inches and 1.055 inches |
|---|---|
| Compound Specification Number | MIL-P-25732 |
| Cross-Sectional Height | Between 0.100 inches and 0.106 inches |
| End Application | Mk 75 (gm); stream (std. tensioned replenishment at sea method) mk-42 & 45; l.p. compressors; fire pumps; gun mount 5-in./54 cal mk 26 (gmls); gun galaxy c-5; guided missile launc (coarse thread)hing system b-1b aircraft; aircraft aircraft; trainer hc-130); elevators ec-130e mc-130h sof ( ac-130h aircraft |
| Industry Standards/Certification | MS28775 |
| Inside Diameter | 1.049 in |
| Material | Rubber |
| NIIN | 00-542-1398 |
| NSN | 5330-01-229-2236 |
| Outside Diameter | Between 1.239 inches and 1.271 inches |
| Temperature Range | -65 to 275 ºF |
| Thickness | 0.103 in |
| Weight | .005 lb |
Cross-reference
Similar parts
Parts with matching key dimensions — often from a different standards family. Candidates for comparison only; verify the full specification before substituting.
- MS29513-121 MS 1-1/4 in · 1-1/16 in · Rubber
- MS29561-121 MS 1-1/4 in · 1-1/16 in · Rubber
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Catalog data updated 2026-07-05. Report a data error