The Trap,steam, cataloged under National Stock Number 4730-00-232-8025, 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 Trane U.s. Inc. Dba the Trane Co Div Trane Headquarters. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 6 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4730-00-232-8025 |
| Primary Part Number | N400-2136 3-4 |
| Item Name | Trap,steam |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Trane U.s. Inc. Dba the Trane Co Div Trane Headquarters |
| Status | ACTIVE |
| Design Type | THERMOSTATIC |
| Inlet Connection Type | FEMALE IRON PIPE |
| Departure From Cited Designator | AS MODIFIED BY INLET/OUTLET CONNECTION SIMILARITY,INLET/OUTLET CONNECTION NOMINAL PIPE SIZE,INLET/OUTLET CONNECTION TYPE,INLET/OUTLET CONNECTION THREAD PROVISION,SCREW THREAD SERIES DESIGNATOR,THREAD DIRECTION |
| Nondefinitive Spec/std Data | 2 CLASS |
| Maximum Steam Working Pressure | ERR-060 |
| Body Design | ANGLE PATTERN |
| Rated Capacity at Maximum Working Pressure | 3500.0 POUNDS OF WATER PER HOUR LBS |
| Material | STEEL CORROSION RESISTING WORKING PARTS |
| Material | COPPER ALLOY AND COPPER ALLOY 706 BODY |
| Furnished Items | STRAINER |
| Outlet Connection Type | FEMALE IRON PIPE |
| 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 |
|---|---|
| N400-23793-4 | Trane U.s. Inc. Dba the Trane Co Div Trane Headquarters (USA) |
| D400-3084 | Trane U.s. Inc. Dba the Trane Co Div Trane Headquarters (USA) |
| N400-2136 3-4 PRIMARY | Trane U.s. Inc. Dba the Trane Co Div Trane Headquarters (USA) |
| N400-21363-4 | Trane U.s. Inc. Dba the Trane Co Div Trane Headquarters (USA) |
| A984 | Trane U.s. Inc. Dba the Trane Co Div Trane Headquarters (USA) |
| S791N1 3-4 PRIMARY | Spirax Sarco Inc Dba Spirax Sarco (USA) |
| Reference | Meaning |
|---|---|
| TH-2A 3/4 | 5/9 Secondary reference Marshall Engineered Products Co Dba Mepco |
| C2C1990 3-4 | 5/9 Secondary reference Marshall Engineered Products Co Dba Mepco |
| D4686 | 5/9 Secondary reference Marshall Engineered Products Co Dba Mepco |
NSN 4730-00-232-8025 is a Trap,steam, manufactured by Trane U.s. Inc. Dba the Trane Co Div Trane Headquarters, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-232-8025 has 6 manufacturer part numbers on file: N400-23793-4 (Trane U.s. Inc. Dba the Trane Co Div Trane Headquarters), D400-3084 (Trane U.s. Inc. Dba the Trane Co Div Trane Headquarters), N400-2136 3-4 (Trane U.s. Inc. Dba the Trane Co Div Trane Headquarters), N400-21363-4 (Trane U.s. Inc. Dba the Trane Co Div Trane Headquarters), A984 (Trane U.s. Inc. Dba the Trane Co Div Trane Headquarters) and 1 more.
1 possible match (shared part number, not a government interchangeability claim): 5365-00-737-3160. Verify interchangeability with system specifications before substitution.
Key specifications for N400-2136 3-4: Design Type: THERMOSTATIC; Inlet Connection Type: FEMALE IRON PIPE; Departure From Cited Designator: AS MODIFIED BY INLET/OUTLET CONNECTION SIMILARITY,INLET/OUTLET CONNECTION NOMINAL PIPE SIZE,INLET/OUTLET CONNECTION TYPE,INLET/OUTLET CONNECTION THREAD PROVISION,SCREW THREAD SERIES DESIGNATOR,THREAD DIRECTION; Nondefinitive Spec/std Data: 2 CLASS. 11 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.