The O-Ring, cataloged under National Stock Number 5331-01-630-2326, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Hydratight Operations Inc.. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-630-2326 |
| Primary Part Number | 19-950-0081 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Hydratight Operations Inc. |
| Status | ACTIVE |
| 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 |
|---|---|
| 19-950-0081 PRIMARY | Hydratight Operations Inc. (USA) |
| Y15000 P5 | Hydratight Operations Inc. (USA) |
| Reference | Meaning |
|---|---|
| Y150000 P5 | 5/9 Secondary reference Biach Industries, Inc. |
NSN 5331-01-630-2326 is a O-Ring, manufactured by Hydratight Operations Inc., classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-630-2326 has 2 manufacturer part numbers on file: 19-950-0081 (Hydratight Operations Inc.), Y15000 P5 (Hydratight Operations Inc.).
Key specifications for 19-950-0081: Part Name Assigned by Controlling Agency: SEAL RING. 0 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.