The O-Ring, cataloged under National Stock Number 5331-01-078-5129, 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 4 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-078-5129 |
| Primary Part Number | AS3084-12 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Sae International Dba Sae International |
| Status | ACTIVE |
| Cross-Sectional Height | 0.112 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN |
| Outside Diameter | 1.156 INCHES NOMINAL IN |
| Center Hole Diameter | 0.915 INCHES MINIMUM AND 0.933 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 |
|---|---|
| AS3084-12 PRIMARY | Sae International Dba Sae International (USA) |
| 6843332-12 | Allison Transmission Inc Dba Allison Transmission, Inc (USA) |
| AS568-912AMS7280 | Sae International Dba Sae International (USA) |
| Reference | Meaning |
|---|---|
| AS568-912AMS7280 | 5/9 Secondary reference U.S. Government activity |
| AS3084-12 | 3/9 Design control — primary reference U.S. Government activity |
| 3-912 V747-75 | 5/1 Secondary reference Parker-Hannifin Corp Div O-Ring Division |
| 3-912 V747-75 | 5/1 Secondary reference Lynn Electronics Llc |
| 5331PL1381233 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| PRP568-912-9009-75 | 5/1 Secondary reference Parco, Llc |
| 912-19357 | 5/1 Secondary reference Parker Hannifin Corporation Div O-Ring Division |
NSN 5331-01-078-5129 is a O-Ring, manufactured by Sae International Dba Sae International, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-078-5129 has 3 manufacturer part numbers on file: AS3084-12 (Sae International Dba Sae International), 6843332-12 (Allison Transmission Inc Dba Allison Transmission, Inc), AS568-912AMS7280 (Sae International Dba Sae International).
Key specifications for AS3084-12: Cross-Sectional Height: 0.112 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN; Outside Diameter: 1.156 INCHES NOMINAL IN; Center Hole Diameter: 0.915 INCHES MINIMUM AND 0.933 INCHES MAXIMUM IN; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR. 4 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.