The Tee-Y,drainage Pipe, cataloged under National Stock Number 4730-00-174-0258, 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13 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4730-00-174-0258 |
| Item Name | Tee-Y,drainage Pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Nominal Pipe Size Accommodated | 3.000 INCHES SECOND END IN |
| Connection Style | DRAINAGE (PIPE) SECOND END |
| Connection Style | DRAINAGE (PIPE) FIRST END |
| Connection Type | THREADED INTERNAL PIPE ALL ENDS |
| Style Designator | SHORT TURN |
| Leg Length | 4.250 INCHES NOMINAL FIRST END IN |
| Leg Length | 3.000 INCHES NOMINAL SECOND END IN |
| Nominal Thread Size | 3.000 INCHES SECOND END IN |
| Nominal Thread Size | 3.000 INCHES FIRST END IN |
| Specification/standard Data | 96906-MS90523 GOVERNMENT STANDARD |
| Material | IRON OVERALL |
| Thread Series Designator | NPT SECOND END |
| Thread Series Designator | NPT 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 |
|---|---|
| MS90523-5W1 | 2/2 Government specification standardization U.S. Government activity |
| WW-P-491 | 5/9 Secondary reference U.S. Government activity |
NSN 4730-00-174-0258 is a Tee-Y,drainage Pipe, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-00-174-0258: Nominal Pipe Size Accommodated: 3.000 INCHES SECOND END IN; Connection Style: DRAINAGE (PIPE) SECOND END; Connection Style: DRAINAGE (PIPE) FIRST END; Connection Type: THREADED INTERNAL PIPE ALL ENDS. 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.