The Connector,tubing,straight, cataloged under National Stock Number 4730-01-348-0728, 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 National Oil Well Dba Iec Baylor. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Connector,tubing,straight |
| FSC / FSG | 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings (FSG 47) |
| Manufacturers | National Oil Well Dba Iec Baylor (CAGE 58889) |
| Parameter | Value |
|---|---|
| NSN | 4730-01-348-0728 |
| Primary Part Number | 21304 |
| Item Name | Connector,tubing,straight |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | National Oil Well Dba Iec Baylor |
| 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 |
|---|---|
| 21304 PRIMARY | National Oil Well Dba Iec Baylor (USA) |
NSN 4730-01-348-0728 is a Connector,tubing,straight, manufactured by National Oil Well Dba Iec Baylor, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-348-0728 has 1 manufacturer part number on file: 21304 (National Oil Well Dba Iec Baylor).
3 possible matches (shared part number, not a government interchangeability claim): 8460-01-413-6066, 6515-01-593-0829, 5315-01-706-0641. Verify interchangeability with system specifications before substitution.
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.