The Tee,tube, cataloged under National Stock Number 4730-01-481-9742, 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 13 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-481-9742 |
| Item Name | Tee,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Connection Style | GASKET SEAL (TUBE) ALL ENDS |
| Nominal Outside Diameter Hose Accommodated | 0.500 INCHES ALL ENDS IN |
| Connection Type | THREADED EXTERNAL GAS FITTING ALL ENDS |
| Leg Length | 1.250 INCHES NOMINAL ALL ENDS IN |
| Nominal Thread Size | 0.750 INCHES ALL ENDS IN |
| Seat Angle | 37.0 DEGREES ALL ENDS |
| Nominal Outside Diameter | 0.500 INCHES ALL ENDS IN |
| Surface Treatment | ZINC OVERALL |
| Media for Which Designed | FUEL SINGLE RESPONSE |
| Thread Class | 2B ALL ENDS |
| Thread Quantity Per Inch | 16 ALL ENDS |
| Material | STEEL OR STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UNF 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 |
|---|---|
| MS51524B8Z | 2/2 Government specification standardization U.S. Government activity |
| MIL-DTL-18866 | 4/1 Identification reference U.S. Government activity |
NSN 4730-01-481-9742 is a Tee,tube, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-01-481-9742: Connection Style: GASKET SEAL (TUBE) ALL ENDS; Nominal Outside Diameter Hose Accommodated: 0.500 INCHES ALL ENDS IN; Connection Type: THREADED EXTERNAL GAS FITTING ALL ENDS; Leg Length: 1.250 INCHES NOMINAL ALL ENDS IN. 13 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.