The Reducer,tube, cataloged under National Stock Number 4730-00-180-0715, 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 Smiths Tubular Systems-Laconia, Inc.. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4730-00-180-0715 |
| Primary Part Number | TF301T04-05 |
| Item Name | Reducer,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Smiths Tubular Systems-Laconia, Inc. |
| Status | ACTIVE |
| Connection Style | INVERTED FLARE (TUBE) ALL ENDS |
| Nominal Overall Length | 1.198 INCHES IN |
| Connection Type | THREADED EXTERNAL TUBE ALL ENDS |
| Material Document and Classification | AMS4965,TI-6AL-4V ASSN STD SINGLE MATERIAL RESPONSE OVERALL V |
| Nominal Outside Diameter Tube Accommodated | 0.312 INCHES FIRST END IN |
| Nominal Outside Diameter Tube Accommodated | 0.250 INCHES SECOND END IN |
| Nominal Thread Size | 0.438 INCHES SECOND END IN |
| Nominal Thread Size | 0.438 INCHES SECOND END BULKHEAD IN |
| Nominal Thread Size | 0.500 INCHES FIRST END IN |
| Seat Angle | 8.5 DEGREES ALL ENDS |
| Thread Class | 3A ALL ENDS A |
| Thread Quantity Per Inch | 24 ALL ENDS |
| Material | TITANIUM ALLOY UNS R54520 OVERALL |
| Thread Series Designator | UNJS ALL ENDS |
| Reducer Type | CONCENTRIC |
| 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 |
|---|---|
| TF301T04-05 PRIMARY | Smiths Tubular Systems-Laconia, Inc. (USA) |
| AE16415-4-5 PRIMARY | Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (USA) |
| AP301T0405 PRIMARY | Sps Technologies, Llc Dba Airdrome Precision Components (USA) |
| R45118T0405 PRIMARY | Parker-Hannifin Corporation Dba Pneutronics Div Stratoflex Product Division (USA) |
| Reference | Meaning |
|---|---|
| GR550AA4-5 | 7/2 Vendor item drawing reference Northrop Grumman Systems Corporation |
NSN 4730-00-180-0715 is a Reducer,tube, manufactured by Smiths Tubular Systems-Laconia, Inc., classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-180-0715 has 4 manufacturer part numbers on file: TF301T04-05 (Smiths Tubular Systems-Laconia, Inc.), AE16415-4-5 (Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution), AP301T0405 (Sps Technologies, Llc Dba Airdrome Precision Components), R45118T0405 (Parker-Hannifin Corporation Dba Pneutronics Div Stratoflex Product Division).
Key specifications for TF301T04-05: Connection Style: INVERTED FLARE (TUBE) ALL ENDS; Nominal Overall Length: 1.198 INCHES IN; Connection Type: THREADED EXTERNAL TUBE ALL ENDS; Material Document and Classification: AMS4965,TI-6AL-4V ASSN STD SINGLE MATERIAL RESPONSE OVERALL V. 15 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.