The Trap,steam, cataloged under National Stock Number 4730-01-270-3404, 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 Bep Bestobell Ltd. Government technical data includes 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4730-01-270-3404 |
| Primary Part Number | 10 1/2IN |
| Item Name | Trap,steam |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Bep Bestobell Ltd |
| Status | ACTIVE |
| Design Type | THERMOSTATIC |
| Inlet Connection Type | FEMALE IRON PIPE |
| Thread Direction | RIGHT-HAND BOTH INLET AND OUTLET |
| Maximum Steam Working Pressure | ERR-060 |
| Screw Thread Series Designator | NPT BOTH INLET AND OUTLET |
| Body Design | LEFT CORNER PATTERN |
| Material | STEEL CORROSION RESISTING VALVE SEAT |
| Material | STEEL COMP 304 STRAINER |
| 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 |
|---|---|
| 10 1/2IN PRIMARY | Bep Bestobell Ltd (CAN) |
| Reference | Meaning |
|---|---|
| 10 1/2IN SCREWED | 5/9 Secondary reference Richards Industries Valve Group Jordan Valve Div |
NSN 4730-01-270-3404 is a Trap,steam, manufactured by Bep Bestobell Ltd, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-270-3404 has 1 manufacturer part number on file: 10 1/2IN (Bep Bestobell Ltd).
Key specifications for 10 1/2IN: Design Type: THERMOSTATIC; Inlet Connection Type: FEMALE IRON PIPE; Thread Direction: RIGHT-HAND BOTH INLET AND OUTLET; Maximum Steam Working Pressure: ERR-060. 10 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.