The Trap,steam, cataloged under National Stock Number 4730-01-059-2446, 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 Spirax Sarco Inc Dba Spirax Sarco. Government technical data includes 11 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-059-2446 |
| Primary Part Number | J972 |
| Item Name | Trap,steam |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Spirax Sarco Inc Dba Spirax Sarco |
| Status | ACTIVE |
| Design Type | COMBINATION FLOAT/THERMOSTATIC |
| Inlet Connection Type | SOCKET WELDING |
| Body Design | STRAIGHT HORIZONTAL PATTERN |
| Material | STEEL UNS J03008 BODY |
| Material | STEEL CORROSION RESISTING WORKING PARTS |
| Material | STEEL CORROSION RESISTING VALVE SEAT |
| Material | NICKEL ALLOY 400 AND NICKEL ALLOY R-405 STRAINER |
| Material | STEEL CORROSION RESISTING VALVE HEAD |
| Material | STEEL UNS J03008 CAP |
| Furnished Items | STRAINER |
| 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 |
|---|---|
| J972 PRIMARY | Spirax Sarco Inc Dba Spirax Sarco (USA) |
| Reference | Meaning |
|---|---|
| J437 1-1-2IN | 5/9 Secondary reference Spirax Sarco Inc Dba Spirax Sarco |
| J437 | D/9 Drawing number reference only Spirax Sarco Inc Dba Spirax Sarco |
NSN 4730-01-059-2446 is a Trap,steam, manufactured by Spirax Sarco Inc Dba Spirax Sarco, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-059-2446 has 1 manufacturer part number on file: J972 (Spirax Sarco Inc Dba Spirax Sarco).
Key specifications for J972: Design Type: COMBINATION FLOAT/THERMOSTATIC; Inlet Connection Type: SOCKET WELDING; Body Design: STRAIGHT HORIZONTAL PATTERN; Material: STEEL UNS J03008 BODY. 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.