The Adapter,straight,pipe to Tube, cataloged under National Stock Number 4730-01-481-1776, 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 Tube Fittings Division. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-481-1776 |
| Primary Part Number | 4-4G4MX |
| Item Name | Adapter,straight,pipe to Tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division |
| Status | ACTIVE |
| Connection Style | SWIVEL NUT, GASKET SEAL (TUBE) FIRST END |
| Nominal Length | 35.3 MILLIMETERS ALL ENDS MM |
| Nominal Overall Length | 35.3 MILLIMETERS MM |
| Connection Type | THREADED INTERNAL TUBE AND THREADED EXTERNAL TUBE FIRST END |
| Nominal Outside Diameter Tube Accommodated | 0.438 INCHES SECOND END IN |
| Seat Type | BEVELED |
| Nominal Thread Size | 0.250 INCHES FIRST END IN |
| Thread Class | 2A SECOND END A |
| Thread Quantity Per Inch | 20 SECOND END |
| Thread Series Designator | UN SECOND END |
| 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 |
|---|---|
| 4-4G4MX PRIMARY | Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division (USA) |
| Reference | Meaning |
|---|---|
| 4-4G4X-S-MO | 5/9 Secondary reference Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division |
NSN 4730-01-481-1776 is a Adapter,straight,pipe to Tube, manufactured by Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-481-1776 has 1 manufacturer part number on file: 4-4G4MX (Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division).
Key specifications for 4-4G4MX: Connection Style: SWIVEL NUT, GASKET SEAL (TUBE) FIRST END; Nominal Length: 35.3 MILLIMETERS ALL ENDS MM; Nominal Overall Length: 35.3 MILLIMETERS MM; Connection Type: THREADED INTERNAL TUBE AND THREADED EXTERNAL TUBE FIRST END. 10 specifications are documented in the U.S. Government catalog.
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.