The O-Ring, cataloged under National Stock Number 5331-01-513-8044, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Bombardier Transportation Austria Gmbh. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5331-01-513-8044 |
| Primary Part Number | 250140 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Bombardier Transportation Austria Gmbh |
| Status | ACTIVE |
| Cross-Sectional Height | 3.1 MILLIMETERS NOMINAL MM |
| Hardness Rating | 65.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM |
| Center Hole Diameter | 24.4 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 |
|---|---|
| 250140 PRIMARY | Bombardier Transportation Austria Gmbh (AUT) |
| DIN 3771-24,4X3,1-N NBR70 PRIMARY | Bombardier Transportation Austria Gmbh (AUT) |
| 250140 | Brp-Rotax Gmbh & Co Kg (AUT) |
| DIN 3771-24,4X3,1-N NBR70 | Bombardier Wien Schienenfahrzeuge Ag (AUT) |
| Reference | Meaning |
|---|---|
| DIN 3771-24,4X3,1-N NBR70 | 5/9 Secondary reference Bombardier Wien Schienenfahrzeuge Ag |
| 250140 | 3/9 Design control — primary reference Bombardier Wien Schienenfahrzeuge Ag |
NSN 5331-01-513-8044 is a O-Ring, manufactured by Bombardier Transportation Austria Gmbh, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-513-8044 has 4 manufacturer part numbers on file: 250140 (Bombardier Transportation Austria Gmbh), DIN 3771-24,4X3,1-N NBR70 (Bombardier Transportation Austria Gmbh), 250140 (Brp-Rotax Gmbh & Co Kg), DIN 3771-24,4X3,1-N NBR70 (Bombardier Wien Schienenfahrzeuge Ag).
Key specifications for 250140: Cross-Sectional Height: 3.1 MILLIMETERS NOMINAL MM; Hardness Rating: 65.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM; Center Hole Diameter: 24.4 MILLIMETERS NOMINAL MM; Part Name Assigned by Controlling Agency: PACKING PREFROM. 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.