The O-Ring, cataloged under National Stock Number 5331-01-111-2306, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Sae International Dba Sae International. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 13 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-111-2306 |
| Primary Part Number | MS28775-047 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Sae International Dba Sae International |
| Status | ACTIVE |
| Temp Rating | -65.0 FAHRENHEIT AND 240.0 FAHRENHEIT DEGF |
| Cross-Sectional Height | 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN |
| Outside Diameter | 4.629 INCHES NOMINAL IN |
| Hardness Rating | 70.0 SHORE DUROMETER A NOMINAL |
| Elongation Percentage | 160 MAXIMUM |
| Center Hole Diameter | 4.474 INCHES MINIMUM AND 4.504 INCHES MAXIMUM IN |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| MS28775-047 PRIMARY | Sae International Dba Sae International (USA) |
| P48026-047 | Acushnet Rubber Company, Inc. Dba Precix (USA) |
| 7377-047 | Parker Hannifin Corporation Div O-Ring Division (USA) |
| 4067-70-047 | Parco, Llc (USA) |
| D25-047 | Federal-Mogul Corp Government Sales Dept (USA) |
| Reference | Meaning |
|---|---|
| 2-047N304-7 | 5/9 Secondary reference Parker-Hannifin Corp Div O-Ring Division |
| DS-933816 | 5/9 Secondary reference U.S. Government activity |
| AS28775-047 | 5/9 Secondary reference U.S. Government activity |
| 1446-047 | 5/2 Secondary reference U.S. Government activity |
| 047-737-70 | 5/9 Secondary reference Parker Hannifin Corporation Div O-Ring Division |
| 3638-047 | 5/9 Secondary reference U.S. Government activity |
| AS28775-047 | 5/9 Secondary reference Sae International Dba Sae International |
| MS28775-047 | 5/9 Secondary reference U.S. Government activity |
| MS28775-047 | 5/9 Secondary reference U.S. Government activity |
| N304-75-047 | 5/9 Secondary reference Lori Corp |
| SR 832-75-047 | 5/2 Secondary reference U.S. Government activity |
| SAE-AS28775 | 3/1 Design control — primary reference Sae International Dba Sae International |
| DS-933816 | 5/1 Secondary reference Eaton Aerospace, Llc Dba Jackson South |
NSN 5331-01-111-2306 is a O-Ring, manufactured by Sae International Dba Sae International, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-111-2306 has 5 manufacturer part numbers on file: MS28775-047 (Sae International Dba Sae International), P48026-047 (Acushnet Rubber Company, Inc. Dba Precix), 7377-047 (Parker Hannifin Corporation Div O-Ring Division), 4067-70-047 (Parco, Llc), D25-047 (Federal-Mogul Corp Government Sales Dept).
Key specifications for MS28775-047: Temp Rating: -65.0 FAHRENHEIT AND 240.0 FAHRENHEIT DEGF; Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN; Outside Diameter: 4.629 INCHES NOMINAL IN; Hardness Rating: 70.0 SHORE DUROMETER A NOMINAL. 7 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.