The Trap,steam, cataloged under National Stock Number 4730-01-663-6830, 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 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4730-01-663-6830 |
| Primary Part Number | D79239 |
| 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 | BALL FLOAT |
| Supplementary Features | FRANCE EXTRA LONG REFERENCE NUMBER CAGE FA4K7 PART NUMBER 2413HLS DN25 PN160RF 5/64 SS 316 17-4PH V&S NO SIDE NO DRAIN 3.1 CE SPCL DCNS |
| Body Design | STRAIGHT VERTICAL PATTERN |
| Material | STEEL COMP 316 BODY |
| 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 |
|---|---|
| D79239 PRIMARY | Armstrong International Inc Dba Armstrong Machine Works (USA) |
| Reference | Meaning |
|---|---|
| 2413HLS DN25 PN160RF 5/64 SS 31 | 5/1 Secondary reference Armstrong France |
NSN 4730-01-663-6830 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 4730-01-663-6830 has 1 manufacturer part number on file: D79239 (Armstrong International Inc Dba Armstrong Machine Works).
Key specifications for D79239: Design Type: BALL FLOAT; Supplementary Features: FRANCE EXTRA LONG REFERENCE NUMBER CAGE FA4K7 PART NUMBER 2413HLS DN25 PN160RF 5/64 SS 316 17-4PH V&S NO SIDE NO DRAIN 3.1 CE SPCL DCNS; Special Features: PS 75 BAR AT 295 DEGREES CELSIUS/ TS 295 DEGREES CELSIUS, TO BE INSTALLED IN VERTICAL POSITION OUTLET AT THE BOTTOM; Part Name Assigned by Controlling Agency: TRAP, STEAM. 4 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.