The O-Ring, cataloged under National Stock Number 5331-01-006-2776, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Parker Hannifin Corporation Div O-Ring Division. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 6 manufacturer part numbers 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5331-01-006-2776 |
| Primary Part Number | 2-233 NA151 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Parker Hannifin Corporation Div O-Ring Division |
| Status | ACTIVE |
| Cross-Sectional Height | 0.125 INCHES NOMINAL 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 |
|---|---|
| 233-8307 | Trelleborg Sealing Solutions Germany Gmbh (DEU) |
| 30021 HOF | Griffon Hoverwork Ltd (GBR) |
| 3-21-HOF | Griffon Hoverwork Ltd (GBR) |
| PRP 233 | Hoffmann Gmbh & Co. Kg (DEU) |
| 233-8307 | Koerting Hannover Agbereich Waermetechnik (DEU) |
| 2-233 NA151 PRIMARY | Parker Hannifin Corporation Div O-Ring Division (USA) |
| Reference | Meaning |
|---|---|
| 233-830-70 | 5/9 Secondary reference Parker Hannifin Corporation Div O-Ring Division |
| D-67500-21 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 233-8307 | 5/9 Secondary reference Parker Hannifin Corporation Div O-Ring Division |
| 67500-21 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5331-01-006-2776 is a O-Ring, manufactured by Parker Hannifin Corporation Div O-Ring Division, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-006-2776 has 6 manufacturer part numbers on file: 233-8307 (Trelleborg Sealing Solutions Germany Gmbh), 30021 HOF (Griffon Hoverwork Ltd), 3-21-HOF (Griffon Hoverwork Ltd), PRP 233 (Hoffmann Gmbh & Co. Kg), 233-8307 (Koerting Hannover Agbereich Waermetechnik) and 1 more.
Key specifications for 2-233 NA151: Cross-Sectional Height: 0.125 INCHES NOMINAL IN; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR. 2 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.