The Trap,steam, cataloged under National Stock Number 4730-01-082-3510, 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 18 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-082-3510 |
| Primary Part Number | J-954-1IN-600LB |
| Item Name | Trap,steam |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Spirax Sarco Inc Dba Spirax Sarco |
| Status | ACTIVE |
| Flange Thickness | 0.688 INCHES NOMINAL BOTH INLET AND OUTLET IN |
| Design Type | FLOAT |
| Flange Bolt Hole Diameter | 0.750 INCHES NOMINAL BOTH INLET AND OUTLET IN |
| Inlet Connection Type | FLANGED |
| Maximum Steam Working Pressure | ERR-060 |
| Body Design | STRAIGHT HORIZONTAL PATTERN |
| Material | STEEL BODY |
| Material | STEEL CORROSION RESISTING STRAINER |
| Material | STEEL CAP |
| Material | STEEL CORROSION RESISTING WORKING PARTS |
| Material | STEEL CORROSION RESISTING VALVE SEAT |
| Material | STEEL CORROSION RESISTING VALVE HEAD |
| Flange Facing Type | PLAIN BOTH INLET AND OUTLET |
| Flange Bolt Circle Diameter | 3.500 INCHES NOMINAL BOTH INLET AND OUTLET IN |
| Flange Outside Diameter | 4.875 INCHES NOMINAL BOTH INLET AND OUTLET IN |
| Flange Bolt Hole Quantity | 4 BOTH INLET AND OUTLET |
| Furnished Items | STRAINER |
| Outlet Connection Type | FLANGED |
| 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 |
|---|---|
| J-954-1IN-600LB PRIMARY | Spirax Sarco Inc Dba Spirax Sarco (USA) |
| Reference | Meaning |
|---|---|
| J-954-1IN | C/1 Advisory reference — outside the item-of-supply concept Spirax Sarco Inc Dba Spirax Sarco |
NSN 4730-01-082-3510 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 4730-01-082-3510 has 1 manufacturer part number on file: J-954-1IN-600LB (Spirax Sarco Inc Dba Spirax Sarco).
Key specifications for J-954-1IN-600LB: Flange Thickness: 0.688 INCHES NOMINAL BOTH INLET AND OUTLET IN; Design Type: FLOAT; Flange Bolt Hole Diameter: 0.750 INCHES NOMINAL BOTH INLET AND OUTLET IN; Inlet Connection Type: FLANGED. 18 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.