o-rings › packing retainers
MS28774-019
Back-Up Retainer Ring
Description
Back-Up Retainer Ring
Specifications
| Center Hole Diameter | 0.829 inches minimum and 0.831 inches maximum |
|---|---|
| Cross Sectional Shape | Square/rectangular |
| Cross-Sectional Height | 0.045 inches minimum and 0.052 inches maximum |
| Industry Standards/Certification | MS28774 |
| Inside Diameter | 0.830 in |
| Joint Type | Scarf-peripheral retainer |
| Material | Plastic |
| Material Specification | Sae-as8791 national spec single material response |
| NIIN | 00-720-3652 |
| NSN | 5330-00-720-3652 |
| Peripheral Diameter | 0.933 inches minimum and 0.939 inches maximum |
| Thickness | 0.045 in |
| Weight | .005 lb |
| Width | 0.052 in |
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.
- MS28774-117 MS 27/32 in · Plastic
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Catalog data updated 2026-07-05. Report a data error