The Tube Assembly,metal, cataloged under National Stock Number 4710-01-189-1837, is classified within Federal Supply Class 4710 (Pipe, Tube and Rigid Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Rtx Corporation Div Pratt & Whitney. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Item Name | Tube Assembly,metal |
| FSC / FSG | 4710 — Pipe, Tube and Rigid Tubing (FSG 47) |
| Manufacturers | Smiths Tubular Systems-Laconia, Inc. Div Lewis & Saunders (CAGE 21890); Rtx Corporation Div Pratt & Whitney (CAGE 55820); Solar Turbines Incorporated Dba Solar Turbines Incorporated (CAGE 66195) |
| Parameter | Value |
|---|---|
| NSN | 4710-01-189-1837 |
| Primary Part Number | 163030-100 |
| Item Name | Tube Assembly,metal |
| FSC / FSG | 4710 / 47 — Pipe, Tube and Rigid Tubing |
| Manufacturer | Rtx Corporation Div Pratt & Whitney |
| Status | ACTIVE |
| 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 |
|---|---|
| 163030-100 | Smiths Tubular Systems-Laconia, Inc. Div Lewis & Saunders (USA) |
| 163030-100 PRIMARY | Rtx Corporation Div Pratt & Whitney (USA) |
| 163030-100 | Solar Turbines Incorporated Dba Solar Turbines Incorporated (USA) |
| Reference | Meaning |
|---|---|
| 163030 | D/9 Drawing number reference only Solar Turbines Incorporated Dba Solar Turbines Incorporated |
| 163030 | D/9 Drawing number reference only Rtx Corporation Div Pratt & Whitney |
NSN 4710-01-189-1837 is a Tube Assembly,metal, manufactured by Rtx Corporation Div Pratt & Whitney, classified under FSC 4710, Pipe, Tube and Rigid Tubing. Status: active.
NSN 4710-01-189-1837 has 3 manufacturer part numbers on file: 163030-100 (Smiths Tubular Systems-Laconia, Inc. Div Lewis & Saunders), 163030-100 (Rtx Corporation Div Pratt & Whitney), 163030-100 (Solar Turbines Incorporated Dba Solar Turbines Incorporated).
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.