The Coupling Body,tube, cataloged under National Stock Number 4730-01-384-8938, 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 8 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-384-8938 |
| Item Name | Coupling Body,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Tube Outside Diameter for Which Designed | 3.500 INCHES NOMINAL IN |
| Style Designator | FLEXIBLE COUPLING BODY |
| Outside Diameter | 3.960 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Thread Size | 4-1/4-16 |
| Screw Thread Series Designator | UN |
| Thread Class | 2A A |
| Material | STEEL CORROSION RESISTING |
| 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 |
|---|---|
| 7D0243C56 | 5/2 Secondary reference U.S. Government activity |
| CT30135C | 3/9 Design control — primary reference Eaton Aviation Corporation |
| 7D0243 | D/9 Drawing number reference only U.S. Government activity |
NSN 4730-01-384-8938 is a Coupling Body,tube, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 4730-01-384-8949, 4730-01-419-0327. Verify interchangeability with system specifications before substitution.
Key specifications for 4730-01-384-8938: Tube Outside Diameter for Which Designed: 3.500 INCHES NOMINAL IN; Style Designator: FLEXIBLE COUPLING BODY; Overall Length: 1.440 INCHES NOMINAL IN; Outside Diameter: 3.960 INCHES NOMINAL IN. 8 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.