The Coupling,boss, cataloged under National Stock Number 4730-01-041-3728, 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 The Boeing Company Div Defense. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Coupling,boss |
| FSC / FSG | 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings (FSG 47) |
| Manufacturers | The Boeing Company Div Defense (CAGE 76301); Smiths Tubular Systems-Laconia, Inc. (CAGE 78570); Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (CAGE 00624); Sps Technologies, Llc Dba Airdrome Precision Components (CAGE 01673); Parker-Hannifin Corporation Dba Pneutronics Div Stratoflex Product Division (CAGE 50599) |
| Parameter | Value |
|---|---|
| NSN | 4730-01-041-3728 |
| Primary Part Number | ST7M393P10 |
| Item Name | Coupling,boss |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | The Boeing Company Div Defense |
| 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 |
|---|---|
| ST7M393P10 PRIMARY | The Boeing Company Div Defense (USA) |
| TF310P10 | Smiths Tubular Systems-Laconia, Inc. (USA) |
| AE16479-10 | Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (USA) |
| AP310P10 | Sps Technologies, Llc Dba Airdrome Precision Components (USA) |
| R44150P10 PRIMARY | Parker-Hannifin Corporation Dba Pneutronics Div Stratoflex Product Division (USA) |
| Reference | Meaning |
|---|---|
| 4730PL1801764 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 10108493 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| ST7M393 | 5/9 Secondary reference The Boeing Company Div Defense |
| 4730PL0890869 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| R44150 | D/9 Drawing number reference only Parker-Hannifin Corporation Dba Pneutronics Div Stratoflex Product Division |
NSN 4730-01-041-3728 is a Coupling,boss, manufactured by The Boeing Company Div Defense, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-041-3728 has 5 manufacturer part numbers on file: ST7M393P10 (The Boeing Company Div Defense), TF310P10 (Smiths Tubular Systems-Laconia, Inc.), AE16479-10 (Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution), AP310P10 (Sps Technologies, Llc Dba Airdrome Precision Components), R44150P10 (Parker-Hannifin Corporation Dba Pneutronics Div Stratoflex Product Division).
4 possible matches (shared part number, not a government interchangeability claim): 4730-01-045-0781, 4730-01-141-2555, 4730-01-179-2907. 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.