The Lateral,drainage Pipe, cataloged under National Stock Number 4730-01-134-7765, 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 14 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-134-7765 |
| Item Name | Lateral,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 | BRANCHED |
| Leg Length | 1.812 INCHES NOMINAL FIRST END IN |
| Leg Length | 4.062 INCHES NOMINAL SECOND END IN |
| Leg Length | 4.125 INCHES NOMINAL THIRD END IN |
| Nominal Thread Size | 1.500 INCHES THIRD END IN |
| Nominal Thread Size | 2.000 INCHES FIRST END IN |
| Nominal Thread Size | 1.500 INCHES SECOND END IN |
| Specification/standard Data | 81348-WW-P-491 GOVERNMENT SPECIFICATION |
| Sweep Type | SHORT |
| Nondefinitive Spec/std Data | 1 TYPE AND 7 TABLE |
| 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 |
|---|---|
| 735-2X1-1/2X1-1/2 UNCOATED | 3/9 Design control — primary reference U.S. Government activity |
| 13218E0048-2 | 5/9 Secondary reference U.S. Government activity |
| 13218E0048 | D/9 Drawing number reference only U.S. Government activity |
| WW-P-491 | 4/1 Identification reference U.S. Government activity |
NSN 4730-01-134-7765 is a Lateral,drainage Pipe, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-01-134-7765: Connection Style: DRAINAGE (PIPE) ALL ENDS; Connection Type: THREADED INTERNAL PIPE ALL ENDS; Style Designator: BRANCHED; Leg Length: 1.812 INCHES NOMINAL FIRST END IN. 14 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.