The Coupling Body,tube, cataloged under National Stock Number 4730-01-355-4787, 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10 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-355-4787 |
| Item Name | Coupling Body,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Thread Tolerance Class | 2X INTERNAL |
| Tube Outside Diameter for Which Designed | 5.000 INCHES NOMINAL IN |
| Style Designator | FLEXIBLE COUPLING BODY |
| Outside Diameter | 5.510 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Thread Size | 1-7/8-12 |
| Screw Thread Series Designator | UN |
| Surface Treatment | PASSIVATE |
| Thread Class | 3A A |
| Material | STEEL COMP 630 OR STEEL COMP XM-12 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | N |
| Reference | Meaning |
|---|---|
| CT30150-20 | C/1 Advisory reference — outside the item-of-supply concept Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution |
| 7D0243C80 | 3/2 Design control — primary reference U.S. Government activity |
| CT30150-20 | 5/9 Secondary reference Eaton Aviation Corporation |
NSN 4730-01-355-4787 is a Coupling Body,tube, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-01-355-4787: Thread Tolerance Class: 2X INTERNAL; Tube Outside Diameter for Which Designed: 5.000 INCHES NOMINAL IN; Style Designator: FLEXIBLE COUPLING BODY; Overall Length: 1.550 INCHES NOMINAL 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.