The Tee,pipe to Tube, cataloged under National Stock Number 4730-01-063-0340, 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 Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok. Government technical data includes 24 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-063-0340 |
| Primary Part Number | 4TFT4 |
| Item Name | Tee,pipe to Tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok |
| Status | ACTIVE |
| Furnished Items and Quantity | 2 SHORT COUPLING NUT AND 4 FERRULE SLEEVE |
| Nominal Pipe Size Accommodated | 0.250 INCHES SECOND END IN |
| Connection Style | FLARELESS (TUBE) THIRD END |
| Connection Style | FLARELESS (TUBE) FIRST END |
| Connection Style | PLAIN (PIPE) SECOND END |
| Connection Type | THREADED EXTERNAL TUBE THIRD END |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Connection Type | THREADED INTERNAL PIPE SECOND END |
| Nominal Outside Diameter Tube Accommodated | 0.250 INCHES FIRST END IN |
| Nominal Outside Diameter Tube Accommodated | 0.250 INCHES THIRD END IN |
| Leg Length | 0.844 INCHES NOMINAL SECOND END IN |
| Leg Length | 0.875 INCHES NOMINAL THIRD END IN |
| Leg Length | 0.875 INCHES NOMINAL FIRST END IN |
| Nominal Thread Size | 0.438 INCHES THIRD END IN |
| Nominal Thread Size | 0.438 INCHES FIRST END IN |
| Nominal Thread Size | 0.250 INCHES SECOND END IN |
| Seat Angle | 20.0 DEGREES THIRD END |
| Seat Angle | 20.0 DEGREES FIRST END |
| Thread Class | 2A FIRST END A |
| Thread Class | 2A THIRD END A |
| Material | COPPER ALLOY OVERALL |
| Thread Series Designator | NPT SECOND END |
| Thread Series Designator | UNF THIRD END |
| Thread Series Designator | UNF FIRST 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 |
|---|---|
| B400-3-4TFT | Swagelok Co (USA) |
| 4-4-4MBZ-B | Parker-Hannifin Corporation Div Instrumentation Products Division (USA) |
| 4TFT4 PRIMARY | Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok (USA) |
| B4-3TFT-4 | Tylok International, Inc. (USA) |
NSN 4730-01-063-0340 is a Tee,pipe to Tube, manufactured by Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-063-0340 has 4 manufacturer part numbers on file: B400-3-4TFT (Swagelok Co), 4-4-4MBZ-B (Parker-Hannifin Corporation Div Instrumentation Products Division), 4TFT4 (Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok), B4-3TFT-4 (Tylok International, Inc.).
Key specifications for 4TFT4: Furnished Items and Quantity: 2 SHORT COUPLING NUT AND 4 FERRULE SLEEVE; Nominal Pipe Size Accommodated: 0.250 INCHES SECOND END IN; Connection Style: FLARELESS (TUBE) THIRD END; Connection Style: FLARELESS (TUBE) FIRST END. 24 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.