The Tee-Y,drainage Pipe, cataloged under National Stock Number 4730-00-954-8028, 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 18 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4730-00-954-8028 |
| Item Name | Tee-Y,drainage Pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Surface Treatment Document and Classification | ASTM A153,CL A ASSN STD SINGLE TREATMENT RESPONSE INSIDE |
| Surface Treatment Document and Classification | ASTM A153,CL A ASSN STD SINGLE TREATMENT RESPONSE OUTSIDE |
| Connection Style | DRAINAGE (PIPE) ALL ENDS |
| Connection Type | THREADED INTERNAL PIPE ALL ENDS |
| Style Designator | SHORT TURN |
| Material Document and Classification | ASTM A126 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Leg Length | 2.420 INCHES NOMINAL SECOND END IN |
| Leg Length | 3.380 INCHES NOMINAL FIRST END IN |
| Leg Length | 4.060 INCHES NOMINAL THIRD END IN |
| Nominal Thread Size | 4.000 INCHES SECOND END IN |
| Nominal Thread Size | 4.000 INCHES FIRST END IN |
| Nominal Thread Size | 2.000 INCHES THIRD END IN |
| Sweep Type | SHORT |
| Nondefinitive Spec/std Data | 3 TYPE AND 1 STYLE |
| Surface Treatment | ZINC INSIDE |
| Surface Treatment | ZINC OUTSIDE |
| 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 | 4/1 Identification reference U.S. Government activity |
NSN 4730-00-954-8028 is a Tee-Y,drainage Pipe, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-00-954-8028: Surface Treatment Document and Classification: ASTM A153,CL A ASSN STD SINGLE TREATMENT RESPONSE INSIDE; Surface Treatment Document and Classification: ASTM A153,CL A ASSN STD SINGLE TREATMENT RESPONSE OUTSIDE; Connection Style: DRAINAGE (PIPE) ALL ENDS; Connection Type: THREADED INTERNAL PIPE ALL ENDS. 18 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.