The O-Ring, cataloged under National Stock Number 5331-01-091-1256, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Parker-Hannifin Corp Div O-Ring Division. 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through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-091-1256 |
| Primary Part Number | 2-016 V709-90 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Parker-Hannifin Corp Div O-Ring Division |
| Status | ACTIVE |
| Temp Rating | -15.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF |
| Cross-Sectional Height | 0.070 INCHES NOMINAL IN |
| Outside Diameter | 0.739 INCHES MINIMUM AND 0.769 INCHES MAXIMUM IN |
| Hardness Rating | 90.0 SHORE DUROMETER A NOMINAL |
| Color | BLACK |
| Center Hole Diameter | 0.614 INCHES NOMINAL IN |
| Material | RUBBER SYNTHETIC |
| 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 |
|---|---|
| 041302 R1 DL08509 | Ministry of Defence, Des Ships, Marine Propulsion Systems, Maritime Spares (GBR) |
| 11111-0-002789 | Bauer Kompressoren Gmbh (DEU) |
| N2789 | Bauer Kompressoren Gmbh (DEU) |
| 2-016 V709-90 PRIMARY | Parker-Hannifin Corp Div O-Ring Division (USA) |
| N2789 | Dga/do/um Ter Antenne D'angers (FRA) |
| Reference | Meaning |
|---|---|
| 5920050404 | 5/9 Secondary reference Saab Kockums Ab - Karlskrona |
| 134904 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 2-016V377-9 | 5/9 Secondary reference Parker-Hannifin Corp Div O-Ring Division |
| 695-00016 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 2-016V709-90 | 5/9 Secondary reference Parker Hannifin Gmbh O-Ring Division |
| 57495-19 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 10013676 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 5331-01-091-1256 is a O-Ring, manufactured by Parker-Hannifin Corp Div O-Ring Division, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-091-1256 has 5 manufacturer part numbers on file: 041302 R1 DL08509 (Ministry of Defence, Des Ships, Marine Propulsion Systems, Maritime Spares), 11111-0-002789 (Bauer Kompressoren Gmbh), N2789 (Bauer Kompressoren Gmbh), 2-016 V709-90 (Parker-Hannifin Corp Div O-Ring Division), N2789 (Dga/do/um Ter Antenne D'angers).
1 possible match (shared part number, not a government interchangeability claim): 5331-01-352-1981. Verify interchangeability with system specifications before substitution.
Key specifications for 2-016 V709-90: Temp Rating: -15.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF; Cross-Sectional Height: 0.070 INCHES NOMINAL IN; Outside Diameter: 0.739 INCHES MINIMUM AND 0.769 INCHES MAXIMUM IN; Hardness Rating: 90.0 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.