The Tee-Y,drainage Pipe, cataloged under National Stock Number 4730-00-270-4355, 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 12 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4730-00-270-4355 |
| Item Name | Tee-Y,drainage Pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Connection Style | DRAINAGE (PIPE) ALL ENDS |
| Connection Type | THREADED INTERNAL PIPE ALL ENDS |
| Style Designator | LONG TURN DOUBLE |
| Material Document and Classification | ASTM A126 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Leg Length | 3.125 INCHES NOMINAL FIRST END IN |
| Leg Length | 2.225 INCHES NOMINAL SECOND END IN |
| Nominal Thread Size | 3.000 INCHES ALL ENDS IN |
| Specification/standard Data | 96906-MS90523 GOVERNMENT STANDARD |
| Sweep Type | EXTRA LONG |
| Nondefinitive Spec/std Data | 1 TYPE AND 1 STYLE |
| Material | IRON 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 |
|---|---|
| WWP491 | 5/9 Secondary reference U.S. Government activity |
| MS90523-5T1 | 2/2 Government specification standardization U.S. Government activity |
NSN 4730-00-270-4355 is a Tee-Y,drainage Pipe, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-00-270-4355: Connection Style: DRAINAGE (PIPE) ALL ENDS; Connection Type: THREADED INTERNAL PIPE ALL ENDS; Style Designator: LONG TURN DOUBLE; Material Document and Classification: ASTM A126 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 12 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.