The Tee,pipe, cataloged under National Stock Number 4730-00-263-5263, 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 21 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-263-5263 |
| Item Name | Tee,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-501 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Connection Style | PLAIN (PIPE) ALL ENDS |
| Connection Type | THREADED INTERNAL PIPE ALL ENDS |
| Material Document and Classification | ASTM A126,CL A ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Operating Pressure | 400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS |
| Operating Pressure | 250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS |
| Leg Length | 1.500 INCHES MINIMUM SECOND END IN |
| Leg Length | 1.630 INCHES MINIMUM AND 2.297 INCHES MAXIMUM FIRST END IN |
| Leg Length | 1.630 INCHES MINIMUM AND 2.297 INCHES MAXIMUM THIRD END IN |
| Nominal Thread Size | 1.000 INCHES ALL ENDS IN |
| Specification/standard Data | 80204-B16.4 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Maximum Operating Temp | 150.0 FAHRENHEIT SECOND RESPONSE DEGF |
| Maximum Operating Temp | 400.0 FAHRENHEIT FIRST RESPONSE DEGF |
| Maximum Operating Temp | -20.0 FAHRENHEIT THIRD RESPONSE DEGF |
| Nondefinitive Spec/std Data | 1 TYPE AND 250 CLASS |
| Surface Treatment | OXIDE OVERALL |
| Media for Which Designed | WATER-OIL-GAS SECOND RESPONSE |
| Media for Which Designed | AIR THIRD RESPONSE |
| Media for Which Designed | STEAM FIRST RESPONSE |
| Material | IRON CAST OVERALL |
| Thread Series Designator | NPT ALL ENDS |
| 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 |
|---|---|
| B16.4 | 3/1 Design control — primary reference The American Society of Mechanical Engineers |
| B16.4 | 5/9 Secondary reference U.S. Government activity |
| WWP501 | 5/9 Secondary reference U.S. Government activity |
NSN 4730-00-263-5263 is a Tee,pipe, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-00-263-5263: Surface Treatment Document and Classification: QQ-P-501 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Connection Style: PLAIN (PIPE) ALL ENDS; Connection Type: THREADED INTERNAL PIPE ALL ENDS; Material Document and Classification: ASTM A126,CL A ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 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.