The Trap,steam, cataloged under National Stock Number 4730-01-424-9082, 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 Armstrong International Inc Dba Armstrong Machine Works. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-424-9082 |
| Primary Part Number | 983FW300RF 1IN .156 ORFICE |
| Item Name | Trap,steam |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Armstrong International Inc Dba Armstrong Machine Works |
| Status | ACTIVE |
| Design Type | BUCKET |
| Inlet Connection Type | FLANGED |
| Maximum Steam Working Pressure | ERR-060 |
| Body Design | STRAIGHT HORIZONTAL PATTERN |
| Material | STEEL BODY |
| Flange Facing Type | PLAIN LOCATION NOT OTHERWISE SPECIFIED |
| Flange Outside Diameter | 7.250 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| Flange Bolt Hole Quantity | 4 LOCATION NOT OTHERWISE SPECIFIED |
| 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 |
|---|---|
| 983FW300RF 1IN .156 ORFICE PRIMARY | Armstrong International Inc Dba Armstrong Machine Works (USA) |
| Reference | Meaning |
|---|---|
| 983FW300RF .156 | C/1 Advisory reference — outside the item-of-supply concept Armstrong International Inc Dba Armstrong Machine Works |
| D-753-5 .15625IN ORFICE | 5/9 Secondary reference Armstrong International Inc Dba Armstrong Machine Works |
NSN 4730-01-424-9082 is a Trap,steam, manufactured by Armstrong International Inc Dba Armstrong Machine Works, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-424-9082 has 1 manufacturer part number on file: 983FW300RF 1IN .156 ORFICE (Armstrong International Inc Dba Armstrong Machine Works).
Key specifications for 983FW300RF 1IN .156 ORFICE: Design Type: BUCKET; Inlet Connection Type: FLANGED; Maximum Steam Working Pressure: ERR-060; Special Features: ORIFICE SIZE 0.156. 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.