The O-Ring, cataloged under National Stock Number 5331-01-540-2397, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Deutz Corporation. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-540-2397 |
| Primary Part Number | 0121 0161 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Deutz Corporation |
| Status | ACTIVE |
| 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 |
|---|---|
| CV178674 | Tvs Supply Chain Solutions Limited (GBR) |
| 01210161 | Deutz Uk Ltd (GBR) |
| 0121 0161 | Deutz Ag (DEU) |
| 0121 0161 PRIMARY | Deutz Corporation (USA) |
| Reference | Meaning |
|---|---|
| 90001-470 | 5/1 Secondary reference Curtiss-Wright Flow Control Service, Llc Dba Engineered Arresting Systems - Esco Div Cw Flow Control Svc Llc Dba |
| 90001-470 | 5/1 Secondary reference Defence Liaison Services Pty Ltd |
| 01210161 | 5/1 Secondary reference Deutz Australia Pty Ltd |
NSN 5331-01-540-2397 is a O-Ring, manufactured by Deutz Corporation, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-540-2397 has 4 manufacturer part numbers on file: CV178674 (Tvs Supply Chain Solutions Limited), 01210161 (Deutz Uk Ltd), 0121 0161 (Deutz Ag), 0121 0161 (Deutz Corporation).
Key specifications for 0121 0161: End Item Identification: ELECTRICAL GROUP; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR. 1 specification is 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.