The O-Ring, cataloged under National Stock Number 5331-01-364-3809, 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 6 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-364-3809 |
| Primary Part Number | MS28778-010 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Sae International Dba Sae International |
| Status | ACTIVE |
| Temp Rating | -65.0 FAHRENHEIT AND 160.0 FAHRENHEIT DEGF |
| Cross-Sectional Height | 0.094 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN |
| Hardness Rating | 83.0 SHORE DUROMETER A MINIMUM AND 93.0 SHORE DUROMETER A MAXIMUM |
| Material Document and Classification | MIL-P-5510 MIL SPEC SINGLE MATERIAL RESPONSE |
| Center Hole Diameter | 0.750 INCHES MINIMUM AND 0.760 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 |
|---|---|
| MS28778-010 PRIMARY | Sae International Dba Sae International (USA) |
| Reference | Meaning |
|---|---|
| 10310385 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| SAE-AS28778 | 3/1 Design control — primary reference Sae International Dba Sae International |
| MS28778-010 | 5/9 Secondary reference U.S. Government activity |
| MS28778-010 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5331-01-364-3809 is a O-Ring, manufactured by Sae International Dba Sae International, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-364-3809 has 1 manufacturer part number on file: MS28778-010 (Sae International Dba Sae International).
Key specifications for MS28778-010: Temp Rating: -65.0 FAHRENHEIT AND 160.0 FAHRENHEIT DEGF; Cross-Sectional Height: 0.094 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN; Hardness Rating: 83.0 SHORE DUROMETER A MINIMUM AND 93.0 SHORE DUROMETER A MAXIMUM; Material Document and Classification: MIL-P-5510 MIL SPEC SINGLE MATERIAL RESPONSE. 6 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.