The Tee,pipe, cataloged under National Stock Number 4730-00-401-0101, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. Government technical data includes 17 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-401-0101 |
| Item Name | Tee,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Connection Style | PLAIN (PIPE) ALL ENDSPLAIN (PIPE) ALL ENDS |
| Connection Type | THREADED INTERNAL PIPE ALL ENDSTHREADED INTERNAL PIPE ALL ENDS |
| Material Document and Classification | ASTM A197 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Operating Pressure | 300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS |
| Operating Pressure | 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS |
| Leg Length | 1.563 INCHES NOMINAL SECOND END1.563 INCHES NOMINAL SECOND END IN |
| Leg Length | 1.688 INCHES NOMINAL FIRST END1.688 INCHES NOMINAL FIRST END IN |
| Leg Length | 1.688 INCHES NOMINAL THIRD END1.688 INCHES NOMINAL THIRD END IN |
| Nominal Thread Size | 1.250 INCHES FIRST END1.250 INCHES FIRST END IN |
| Nominal Thread Size | 1.250 INCHES THIRD END1.250 INCHES THIRD END IN |
| Nominal Thread Size | 1.500 INCHES SECOND END1.500 INCHES SECOND END IN |
| Media for Which Designed | WATER-OIL-GAS SECOND RESPONSE |
| Media for Which Designed | STEAM FIRST RESPONSE |
| Material | IRON ALLOY OVERALL |
| Thread Series Designator | NPTF THIRD END |
| Thread Series Designator | NPT SECOND END |
| Thread Series Designator | NPTF THIRD ENDNPTF 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 |
| Reference | Meaning |
|---|---|
| 905329-32 | 3/9 Design control — primary reference U.S. Government activity |
NSN 4730-00-401-0101 is a Tee,pipe, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-00-401-0101: Connection Style: PLAIN (PIPE) ALL ENDSPLAIN (PIPE) ALL ENDS; Connection Type: THREADED INTERNAL PIPE ALL ENDSTHREADED INTERNAL PIPE ALL ENDS; Material Document and Classification: ASTM A197 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Operating Pressure: 300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS. 17 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.