The Coupling,boss, cataloged under National Stock Number 4730-01-567-8850, 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 Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump and Power Division. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | Coupling,boss |
| FSC / FSG | 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings (FSG 47) |
| Manufacturers | Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump and Power Division (CAGE 05448) |
| Parameter | Value |
|---|---|
| NSN | 4730-01-567-8850 |
| Primary Part Number | 409441 |
| Item Name | Coupling,boss |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump and Power Division |
| 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 |
|---|---|
| 409441 PRIMARY | Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump and Power Division (USA) |
| Reference | Meaning |
|---|---|
| 644308 | D/9 Drawing number reference only Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump and Power Division |
NSN 4730-01-567-8850 is a Coupling,boss, manufactured by Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump and Power Division, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-567-8850 has 1 manufacturer part number on file: 409441 (Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump and Power Division).
3 possible matches (shared part number, not a government interchangeability claim): 5305-01-567-8870, 4910-01-570-7482, 5360-01-665-9320. 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.