The Coupling Body,tube, cataloged under National Stock Number 4730-01-419-6436, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-419-6436 |
| Primary Part Number | C31650AB |
| Item Name | Coupling Body,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution |
| Status | ACTIVE |
| Tube Outside Diameter for Which Designed | 5.000 INCHES NOMINAL IN |
| Style Designator | FLEXIBLE COUPLING BODY |
| Outside Diameter | 5.000 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Thread Size | A5.875-12 |
| Screw Thread Series Designator | UN |
| Surface Treatment | ANODIZE |
| Thread Class | 3A A |
| Material | ALUMINUM ALLOY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| C31650AB PRIMARY | Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (USA) |
| Reference | Meaning |
|---|---|
| C31650AB | 5/9 Secondary reference Eaton Aviation Corporation |
| 7D0260 | D/9 Drawing number reference only U.S. Government activity |
| 7D0260-80 | 5/2 Secondary reference U.S. Government activity |
NSN 4730-01-419-6436 is a Coupling Body,tube, manufactured by Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-419-6436 has 1 manufacturer part number on file: C31650AB (Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution).
3 possible matches (shared part number, not a government interchangeability claim): 4730-01-419-6437, 4730-01-419-6439, 4730-01-419-6442. Verify interchangeability with system specifications before substitution.
Key specifications for C31650AB: Tube Outside Diameter for Which Designed: 5.000 INCHES NOMINAL IN; Style Designator: FLEXIBLE COUPLING BODY; Overall Length: 1.800 INCHES NOMINAL IN; Outside Diameter: 5.000 INCHES NOMINAL IN. 9 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.