The Tee,tube, cataloged under National Stock Number 4730-01-181-1898, 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 Dba Pneutronics Div Stratoflex Product Division. Government technical data includes 25 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4730-01-181-1898 |
| Primary Part Number | R45122T-121008 |
| Item Name | Tee,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Parker-Hannifin Corporation Dba Pneutronics Div Stratoflex Product Division |
| Status | ACTIVE |
| Connection Style | INVERTED FLARE (TUBE) ALL ENDS |
| Connection Type | THREADED EXTERNAL TUBE ALL ENDS |
| Material Document and Classification | AMS 4965,6AL-V4 ASSN STD 1ST MATERIAL RESPONSE OVERALL |
| Nominal Outside Diameter Tube Accommodated | 0.625 INCHES SECOND END IN |
| Nominal Outside Diameter Tube Accommodated | 0.750 INCHES FIRST END IN |
| Nominal Outside Diameter Tube Accommodated | 0.500 INCHES THIRD END IN |
| Leg Length | 1.953 INCHES NOMINAL FIRST END IN |
| Leg Length | 0.958 INCHES NOMINAL THIRD END IN |
| Leg Length | 1.022 INCHES NOMINAL SECOND END IN |
| Nominal Thread Size | 1.000 INCHES FIRST END BULKHEAD IN |
| Nominal Thread Size | 1.000 INCHES FIRST END IN |
| Nominal Thread Size | 0.718 INCHES THIRD END IN |
| Nominal Thread Size | 0.843 INCHES SECOND END IN |
| Seat Angle | 8.5 DEGREES ALL ENDS |
| Thread Class | 3A FIRST END BULKHEAD A |
| Thread Class | 3A ALL ENDS A |
| Thread Quantity Per Inch | 20 THIRD END |
| Thread Quantity Per Inch | 16 FIRST END |
| Thread Quantity Per Inch | 18 SECOND END |
| Thread Quantity Per Inch | 16 FIRST END BULKHEAD |
| Material | TITANIUM ALLOY OVERALL |
| Thread Series Designator | UNJS SECOND END |
| Thread Series Designator | UNIFIED NATIONAL JOINT (UNJ) FIRST END BULKHEAD |
| Thread Series Designator | UNIFIED NATIONAL JOINT (UNJ) FIRST END |
| Thread Series Designator | UNJS THIRD END |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| AE16397-12-10-8 | Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (USA) |
| LE273-0052-0051 | The Boeing Company Div Legacy Am&m (USA) |
| AP362T121008 | Sps Technologies, Llc Dba Airdrome Precision Components (USA) |
| R45122T-121008 PRIMARY | Parker-Hannifin Corporation Dba Pneutronics Div Stratoflex Product Division (USA) |
| Reference | Meaning |
|---|---|
| R45122 | D/9 Drawing number reference only Parker-Hannifin Corporation Dba Pneutronics Div Stratoflex Product Division |
NSN 4730-01-181-1898 is a Tee,tube, manufactured by Parker-Hannifin Corporation Dba Pneutronics Div Stratoflex Product Division, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-181-1898 has 4 manufacturer part numbers on file: AE16397-12-10-8 (Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution), LE273-0052-0051 (The Boeing Company Div Legacy Am&m), AP362T121008 (Sps Technologies, Llc Dba Airdrome Precision Components), R45122T-121008 (Parker-Hannifin Corporation Dba Pneutronics Div Stratoflex Product Division).
Key specifications for R45122T-121008: Connection Style: INVERTED FLARE (TUBE) ALL ENDS; Connection Type: THREADED EXTERNAL TUBE ALL ENDS; Material Document and Classification: AMS 4965,6AL-V4 ASSN STD 1ST MATERIAL RESPONSE OVERALL; Nominal Outside Diameter Tube Accommodated: 0.625 INCHES SECOND END IN. 25 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.
NSN 4730-01-181-1898 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.