The Reducer,tube, cataloged under National Stock Number 4730-01-523-4801, 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 10 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4730-01-523-4801 |
| Item Name | Reducer,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Connection Style | GROOVED (TUBE) FIRST END |
| Connection Style | GROOVED (TUBE) SECOND END |
| Tubing Wall Nominal Thickness for Which Designed | 0.080 INCHES FIRST END IN |
| Tubing Wall Nominal Thickness for Which Designed | 0.032 INCHES SECOND END IN |
| Nominal Overall Length | 6.940 INCHES IN |
| Connection Type | UNTHREADED EXTERNAL TUBE FIRST END |
| Connection Type | UNTHREADED EXTERNAL TUBE SECOND END |
| Nominal Outside Diameter Tube Accommodated | 1.125 INCHES SECOND END IN |
| Nominal Outside Diameter Tube Accommodated | 1.500 INCHES FIRST END IN |
| Reducer Type | CONCENTRIC |
| 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 |
|---|---|
| 160K0506 ITEM 3 | 5/9 Secondary reference U.S. Government activity |
| 160K0505-1 | 3/9 Design control — primary reference U.S. Government activity |
NSN 4730-01-523-4801 is a Reducer,tube, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-01-523-4801: Connection Style: GROOVED (TUBE) FIRST END; Connection Style: GROOVED (TUBE) SECOND END; Tubing Wall Nominal Thickness for Which Designed: 0.080 INCHES FIRST END IN; Tubing Wall Nominal Thickness for Which Designed: 0.032 INCHES SECOND END IN. 10 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.