The O-Ring, cataloged under National Stock Number 5331-01-389-4440, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Doran Co Dba Doran Co of California Dba Lips-Doran Co. Government technical data includes 4 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-389-4440 |
| Primary Part Number | W007000334 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Doran Co Dba Doran Co of California Dba Lips-Doran Co |
| Status | ACTIVE |
| Cross-Sectional Height | 6.00 MILLIMETERS NOMINAL MM |
| Hardness Rating | 70.0 SHORE DUROMETER A NOMINAL |
| Center Hole Diameter | 480.00 MILLIMETERS NOMINAL MM |
| 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 |
|---|---|
| W007000334 PRIMARY | Doran Co Dba Doran Co of California Dba Lips-Doran Co (USA) |
| Reference | Meaning |
|---|---|
| W007000334 | 5/9 Secondary reference Wartsila Netherlands |
| W007000334 | 5/9 Secondary reference Lips Proptech B.v. |
NSN 5331-01-389-4440 is a O-Ring, manufactured by Doran Co Dba Doran Co of California Dba Lips-Doran Co, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-389-4440 has 1 manufacturer part number on file: W007000334 (Doran Co Dba Doran Co of California Dba Lips-Doran Co).
Key specifications for W007000334: Cross-Sectional Height: 6.00 MILLIMETERS NOMINAL MM; Hardness Rating: 70.0 SHORE DUROMETER A NOMINAL; Center Hole Diameter: 480.00 MILLIMETERS NOMINAL MM; 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.