The Reducer Body,tube, cataloged under National Stock Number 4730-01-474-8854, 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11 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-474-8854 |
| Item Name | Reducer Body,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Second End Seat Angle in Deg | 37.0 |
| First End Seat Angle in Deg | 37.0 |
| Tube Outside Diameter for Which Designed | 0.312 INCHES MINIMUM AND 0.679 INCHES MAXIMUM IN |
| Style Designator | REDUCER BODY |
| Thread Direction | RIGHT-HAND |
| Thread Size | 1/2-20 |
| Screw Thread Series Designator | UNF |
| Flange Width | 0.234 INCHES NOMINAL IN |
| Thread Class | 3A A |
| Material | STEEL |
| Flange Outside Diameter | 0.679 INCHES NOMINAL IN |
| 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 |
|---|---|
| 1455AS151 | D/9 Drawing number reference only Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| 1455AS151-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4730-01-474-8854 is a Reducer Body,tube, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-01-474-8854: Second End Seat Angle in Deg: 37.0; First End Seat Angle in Deg: 37.0; Tube Outside Diameter for Which Designed: 0.312 INCHES MINIMUM AND 0.679 INCHES MAXIMUM IN; Style Designator: REDUCER BODY. 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.