The Tee,pipe to Tube, cataloged under National Stock Number 4730-00-061-8946, 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 Parker-Hannifin Corporation Div Instrumentation Products Division. Government technical data includes 21 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-061-8946 |
| Primary Part Number | 4-4-2 OBZ-SS |
| Item Name | Tee,pipe to Tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Parker-Hannifin Corporation Div Instrumentation Products Division |
| Status | ACTIVE |
| Furnished Items and Quantity | 4 FERRULE SLEEVE AND 2 SHORT 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 | 0.250 INCHES FIRST END IN |
| Nominal Outside Diameter Tube Accommodated | 0.250 INCHES SECOND END IN |
| Leg Length | 0.812 INCHES NOMINAL THIRD END IN |
| Leg Length | 0.750 INCHES NOMINAL SECOND END IN |
| Leg Length | 0.750 INCHES NOMINAL FIRST END IN |
| Nominal Thread Size | 0.438 INCHES SECOND END IN |
| Nominal Thread Size | 0.438 INCHES FIRST END IN |
| Nominal Thread Size | 0.125 INCHES THIRD END IN |
| Seat Angle | 20.0 DEGREES SECOND END |
| Seat Angle | 20.0 DEGREES FIRST END |
| Surface Treatment | PASSIVATE OVERALL |
| Thread Class | 3A FIRST END A |
| Thread Class | 3A SECOND END A |
| Material | STEEL COMP 316 OVERALL |
| Thread Series Designator | NPT THIRD END |
| Thread Series Designator | UNF FIRST END |
| Thread Series Designator | UNF 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 |
|---|---|
| 4-4-2 OBZ-SS PRIMARY | Parker-Hannifin Corporation Div Instrumentation Products Division (USA) |
| MK4620625 | General Dynamics Land Systems, Inc Dba General Dynamics Land Systems Customer Service & Su (USA) |
| SS-400-3TTF PRIMARY | Swagelok Co (USA) |
| Reference | Meaning |
|---|---|
| SS-400-3TTF-316 | 5/9 Secondary reference Swagelok Co |
| 4TTF2-316 | 5/9 Secondary reference U.S. Government activity |
| 4TTF2-316 | 5/9 Secondary reference J R Douglass Company |
NSN 4730-00-061-8946 is a Tee,pipe to Tube, manufactured by Parker-Hannifin Corporation Div Instrumentation Products Division, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-061-8946 has 3 manufacturer part numbers on file: 4-4-2 OBZ-SS (Parker-Hannifin Corporation Div Instrumentation Products Division), MK4620625 (General Dynamics Land Systems, Inc Dba General Dynamics Land Systems Customer Service & Su), SS-400-3TTF (Swagelok Co).
Key specifications for 4-4-2 OBZ-SS: Furnished Items and Quantity: 4 FERRULE SLEEVE AND 2 SHORT COUPLING NUT; Connection Style: PLAIN (PIPE) THIRD END; Connection Style: FLARELESS (TUBE) SECOND END; Connection Style: FLARELESS (TUBE) FIRST END. 21 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.