The Flange,pipe, cataloged under National Stock Number 4730-01-171-4222, 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 Carrier Corp. The record lists 4 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Item Name | Flange,pipe |
| FSC / FSG | 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings (FSG 47) |
| Manufacturers | Carrier Corp (CAGE 10855); Elliott Company Div Jeannette (CAGE 72957) |
| Parameter | Value |
|---|---|
| NSN | 4730-01-171-4222 |
| Primary Part Number | 44B3721-280 |
| Item Name | Flange,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Carrier Corp |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 44B3721-280 PRIMARY | Carrier Corp (USA) |
| 44B3721-280 | Elliott Company Div Jeannette (USA) |
| 44B3721-274D PIECE 5G | Elliott Company Div Jeannette (USA) |
| 44B3721-274D PIECE 5G | Carrier Corp (USA) |
| Reference | Meaning |
|---|---|
| 44B3721-281 | C/1 Advisory reference — outside the item-of-supply concept Carrier Corp |
NSN 4730-01-171-4222 is a Flange,pipe, manufactured by Carrier Corp, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-171-4222 has 4 manufacturer part numbers on file: 44B3721-280 (Carrier Corp), 44B3721-280 (Elliott Company Div Jeannette), 44B3721-274D PIECE 5G (Elliott Company Div Jeannette), 44B3721-274D PIECE 5G (Carrier Corp).
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.