The Tee-Y,drainage Pipe, cataloged under National Stock Number 4730-01-165-4389, 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 11 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-165-4389 |
| 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 ALL ENDS IN |
| Connection Style | SOCKET (PIPE) ALL ENDS |
| Connection Type | UNTHREADED INTERNAL PIPE ALL ENDS |
| Style Designator | LONG TURN |
| Leg Length | 3.062 INCHES NOMINAL FIRST END IN |
| Leg Length | 3.312 INCHES NOMINAL SECOND END IN |
| Leg Length | 4.562 INCHES NOMINAL THIRD END IN |
| Specification/standard Data | 81348-L-P-322 GOVERNMENT SPECIFICATION |
| Nondefinitive Spec/std Data | 3IN. SIZE IN |
| Pipe Wall Thickness Designation for Which Designed | SCHEDULE 40 ALL ENDS |
| Material | PLASTIC ACRYLONITRILE-BUTADIENE-STYRENE (ABS) OVERALL |
| 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 |
|---|---|
| 61522 | 5/9 Secondary reference Celanese Corp |
| 2153ABS | 5/9 Secondary reference George Fischer Sloane, Inc. |
| L-P-322 | 4/1 Identification reference U.S. Government activity |
| TY153 | 3/9 Design control — primary reference Tyler Pipe Industries Inc |
NSN 4730-01-165-4389 is a Tee-Y,drainage Pipe, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
5 possible matches (shared part number, not a government interchangeability claim): 5306-01-185-4752, 6130-01-229-7674, 2540-01-285-0765. Verify interchangeability with system specifications before substitution.
Key specifications for 4730-01-165-4389: Nominal Pipe Size Accommodated: 3.000 INCHES ALL ENDS IN; Connection Style: SOCKET (PIPE) ALL ENDS; Connection Type: UNTHREADED INTERNAL PIPE ALL ENDS; Style Designator: LONG TURN. 11 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.