The Trap,steam, cataloged under National Stock Number 4730-01-232-5994, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Sfc Valve Corporation. Government technical data includes 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-232-5994 |
| Primary Part Number | 1554-A 1/2IN 40LB/HR N |
| Item Name | Trap,steam |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Sfc Valve Corporation |
| Status | ACTIVE |
| Inlet Connection Type | SOCKET WELDING |
| Maximum Steam Working Pressure | ERR-060 |
| Outlet Connection Type | SOCKET WELDING |
| 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 |
|---|---|
| 1554-A 1/2IN 40LB/HR N PRIMARY | Sfc Valve Corporation (USA) |
| Reference | Meaning |
|---|---|
| 1554-A | D/9 Drawing number reference only Sfc Valve Corp |
| 1554-A 1-2IN 40LB/HR TY N | 5/9 Secondary reference Sfc Valve Corp |
NSN 4730-01-232-5994 is a Trap,steam, manufactured by Sfc Valve Corporation, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-232-5994 has 1 manufacturer part number on file: 1554-A 1/2IN 40LB/HR N (Sfc Valve Corporation).
1 possible match (shared part number, not a government interchangeability claim): 4710-01-232-7144. Verify interchangeability with system specifications before substitution.
Key specifications for 1554-A 1/2IN 40LB/HR N: Inlet Connection Type: SOCKET WELDING; Maximum Steam Working Pressure: ERR-060; Outlet Connection Type: SOCKET WELDING. 3 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.