The Tee,tube, cataloged under National Stock Number 4730-00-411-8136, 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 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 24 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-411-8136 |
| Primary Part Number | 1655865-23 |
| Item Name | Tee,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Furnished Items and Quantity | 3 FERRULE SLEEVE AND 3 SHORT COUPLING NUT AND 3 BULKHEAD NUT |
| Connection Style | GASKET SEAL, COMPRESSION (TUBE) FIRST ENDGASKET SEAL, COMPRESSION (TUBE) FIRST END |
| Connection Style | GASKET SEAL, COMPRESSION (TUBE) SECOND ENDGASKET SEAL, COMPRESSION (TUBE) SECOND END |
| Connection Style | GASKET SEAL, COMPRESSION (TUBE) THIRD ENDGASKET SEAL, COMPRESSION (TUBE) THIRD END |
| Connection Type | THREADED EXTERNAL TUBE THIRD ENDTHREADED EXTERNAL TUBE THIRD END |
| Connection Type | THREADED EXTERNAL TUBE SECOND ENDTHREADED EXTERNAL TUBE SECOND END |
| Connection Type | THREADED EXTERNAL TUBE FIRST ENDTHREADED EXTERNAL TUBE FIRST END |
| Nominal Outside Diameter Tube Accommodated | 0.500 INCHES THIRD END IN |
| Nominal Outside Diameter Tube Accommodated | 0.500 INCHES THIRD END0.750 INCHES SECOND END IN |
| Nominal Outside Diameter Tube Accommodated | 0.750 INCHES SECOND END0.750 INCHES FIRST END IN |
| Operating Pressure | 2500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Leg Length | 2.094 INCHES NOMINAL ALL ENDS2.094 INCHES NOMINAL ALL ENDS IN |
| Nominal Thread Size | 1.062 INCHES FIRST END1.062 INCHES FIRST END IN |
| Nominal Thread Size | 0.750 INCHES THIRD END0.750 INCHES THIRD END IN |
| Nominal Thread Size | 1.062 INCHES SECOND END1.062 INCHES SECOND END IN |
| Maximum Operating Temp | 135.0 CELSIUS SINGLE RESPONSE135.0 CELSIUS SINGLE RESPONSE DEGC |
| Surface Treatment | CADMIUM OVERALL |
| Thread Class | 2A THIRD END2A THIRD END A |
| Thread Class | 2A SECOND END2A SECOND END A |
| Thread Class | 2A FIRST END2A FIRST END A |
| Material | STEEL OVERALL |
| Thread Series Designator | UNF THIRD END |
| Thread Series Designator | UNEF SECOND ENDUNEF FIRST END |
| Thread Series Designator | UNF THIRD ENDUNEF 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 |
|---|---|
| 1655865-23 | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| 12-8 | 5/9 Secondary reference U.S. Government activity |
| 1655865-23 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4730-00-411-8136 is a Tee,tube, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-411-8136 has 1 manufacturer part number on file: 1655865-23 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for 1655865-23: Furnished Items and Quantity: 3 FERRULE SLEEVE AND 3 SHORT COUPLING NUT AND 3 BULKHEAD NUT; Connection Style: GASKET SEAL, COMPRESSION (TUBE) FIRST ENDGASKET SEAL, COMPRESSION (TUBE) FIRST END; Connection Style: GASKET SEAL, COMPRESSION (TUBE) SECOND ENDGASKET SEAL, COMPRESSION (TUBE) SECOND END; Connection Style: GASKET SEAL, COMPRESSION (TUBE) THIRD ENDGASKET SEAL, COMPRESSION (TUBE) THIRD 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.