The Tee,pipe to Tube, cataloged under National Stock Number 4730-00-044-4846, 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 Swagelok Co. Government technical data includes 22 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4730-00-044-4846 |
| Primary Part Number | S-600-3TTF |
| Item Name | Tee,pipe to Tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Swagelok Co |
| Status | ACTIVE |
| Furnished Items and Quantity | 4 FERRULE SLEEVE AND 2 TUBE COUPLING NUT |
| Connection Style | PLAIN (PIPE) THIRD END |
| Connection Style | FLARELESS (TUBE) SECOND END |
| Connection Style | FLARELESS (TUBE) FIRST END |
| Nominal Outside Diameter Tube Accommodated | 0.375 INCHES SECOND END IN |
| Nominal Outside Diameter Tube Accommodated | 0.375 INCHES FIRST END IN |
| Leg Length | 0.844 INCHES NOMINAL THIRD END IN |
| Leg Length | 0.937 INCHES NOMINAL FIRST END IN |
| Leg Length | 0.937 INCHES NOMINAL SECOND END IN |
| Nominal Thread Size | 0.562 INCHES SECOND END IN |
| Nominal Thread Size | 0.562 INCHES FIRST END IN |
| Nominal Thread Size | 0.250 INCHES THIRD END IN |
| Seat Angle | 20.0 DEGREES SECOND END |
| Seat Angle | 20.0 DEGREES FIRST END |
| Thread Class | 3A FIRST END A |
| Thread Class | 3A SECOND END A |
| Thread Quantity Per Inch | 20 FIRST END |
| Thread Quantity Per Inch | 20 SECOND END |
| Material | STEEL OVERALL |
| Thread Series Designator | UN FIRST END |
| Thread Series Designator | NPT THIRD 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 |
|---|---|
| S-600-3TTF PRIMARY | Swagelok Co (USA) |
| 6-6-4 OBZ-S | Parker-Hannifin Corporation Div Instrumentation Products Division (USA) |
| 6TTF4 | Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok (USA) |
| Reference | Meaning |
|---|---|
| 6TTF4 | 5/9 Secondary reference J R Douglass Company |
NSN 4730-00-044-4846 is a Tee,pipe to Tube, manufactured by Swagelok Co, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-044-4846 has 3 manufacturer part numbers on file: S-600-3TTF (Swagelok Co), 6-6-4 OBZ-S (Parker-Hannifin Corporation Div Instrumentation Products Division), 6TTF4 (Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok).
Key specifications for S-600-3TTF: Furnished Items and Quantity: 4 FERRULE SLEEVE AND 2 TUBE COUPLING NUT; Connection Style: PLAIN (PIPE) THIRD END; Connection Style: FLARELESS (TUBE) SECOND END; Connection Style: FLARELESS (TUBE) FIRST END. 22 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.