The O-Ring, cataloged under National Stock Number 5331-01-293-9420, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Siemens Energy & Automation, Inc. Div Siemens Ind Services, Siemens Sales Division. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | O-Ring |
| FSC / FSG | 5331 — O-ring (FSG 53) |
| Manufacturers | Siemens Energy & Automation, Inc. Div Siemens Ind Services, Siemens Sales Division (CAGE 0ACF4) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-293-9420 |
| Primary Part Number | WWN333-12-SIZE 14 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Siemens Energy & Automation, Inc. Div Siemens Ind Services, Siemens Sales Division |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| WWN333-12-SIZE 14 PRIMARY | Siemens Energy & Automation, Inc. Div Siemens Ind Services, Siemens Sales Division (USA) |
| Reference | Meaning |
|---|---|
| PL-193-14432-002 PART 7 | 5/9 Secondary reference Siemens Energy & Automation, Inc. Div Siemens Ind Services, Siemens Sales Division |
NSN 5331-01-293-9420 is a O-Ring, manufactured by Siemens Energy & Automation, Inc. Div Siemens Ind Services, Siemens Sales Division, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-293-9420 has 1 manufacturer part number on file: WWN333-12-SIZE 14 (Siemens Energy & Automation, Inc. Div Siemens Ind Services, Siemens Sales Division).
1 possible match (shared part number, not a government interchangeability claim): 5330-01-294-0207. Verify interchangeability with system specifications before substitution.
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.