The Coupling,tube, cataloged under National Stock Number 4730-01-278-7512, 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 1 specification, 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. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-278-7512 |
| Primary Part Number | AD-117 |
| Item Name | Coupling,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Yale Industrial Products, Inc. Div Duff Norton Company |
| Status | ACTIVE |
| Connection Type | UNTHREADED INTERNAL TUBE ALL ENDS |
| 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 |
|---|---|
| AD-117 PRIMARY | Yale Industrial Products, Inc. Div Duff Norton Company (USA) |
NSN 4730-01-278-7512 is a Coupling,tube, manufactured by Yale Industrial Products, Inc. Div Duff Norton Company, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-278-7512 has 1 manufacturer part number on file: AD-117 (Yale Industrial Products, Inc. Div Duff Norton Company).
2 possible matches (shared part number, not a government interchangeability claim): 4730-01-283-8305, 3010-01-288-5309. Verify interchangeability with system specifications before substitution.
Key specifications for AD-117: Connection Type: UNTHREADED INTERNAL TUBE ALL ENDS; Special Features: E/I WORM DRIVE HOIST. 1 specification is 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.