The Coupling Assembly,quick Disconne, cataloged under National Stock Number 4730-01-139-3578, 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 Yale Industrial Products, Inc. Div Duff Norton Company. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-139-3578 |
| Primary Part Number | 2GF2B |
| Item Name | Coupling Assembly,quick Disconne |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Yale Industrial Products, Inc. Div Duff Norton Company |
| Status | ACTIVE |
| Connection Type | THREADED INTERNAL TUBE FIRST FLUID END CONNECTION |
| Connection Type | UNTHREADED INTERNAL TUBE SECOND FLUID END CONNECTION |
| Style Designator | COUPLING ASSEMBLY |
| Nominal Outside Diameter Tube Accommodated | 1.131 INCHES ALL ENDS IN |
| Nominal Thread Size | 0.250 INCHES FIRST FLUID END CONNECTION IN |
| Thread Series Designator | NPT FIRST FLUID END CONNECTION |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 4730-01-139-3578 is a Coupling Assembly,quick Disconne, manufactured by Yale Industrial Products, Inc. Div Duff Norton Company, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-139-3578 has 2 manufacturer part numbers on file: 419486-1 (L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products), 2GF2B (Yale Industrial Products, Inc. Div Duff Norton Company).
Key specifications for 2GF2B: Connection Type: THREADED INTERNAL TUBE FIRST FLUID END CONNECTION; Connection Type: UNTHREADED INTERNAL TUBE SECOND FLUID END CONNECTION; Style Designator: COUPLING ASSEMBLY; Overall Length: 2.334 INCHES MINIMUM AND 2.354 INCHES MAXIMUM IN. 6 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.