The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-01-512-2439, 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 Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupler Division. Government technical data includes 2 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-512-2439 |
| Primary Part Number | S71-3C16-20RP |
| Item Name | Coupling Half,quick Disconnect |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupler Division |
| Status | ACTIVE |
| Style Designator | MALE COUPLING HALF |
| Leg Length | 6.210 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 |
| Part Number | Manufacturer |
|---|---|
| S71-3C16-20RP PRIMARY | Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupler Division (USA) |
| Reference | Meaning |
|---|---|
| S71-3C20-20RP | 5/9 Secondary reference Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupler Division |
| 309382 | 5/9 Secondary reference Alvis Moelv As Tidl Hagglundsmoelvas |
NSN 4730-01-512-2439 is a Coupling Half,quick Disconnect, manufactured by Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupler Division, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-512-2439 has 1 manufacturer part number on file: S71-3C16-20RP (Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupler Division).
2 possible matches (shared part number, not a government interchangeability claim): 5985-01-592-9212, 5905-01-646-6417. Verify interchangeability with system specifications before substitution.
Key specifications for S71-3C16-20RP: Style Designator: MALE COUPLING HALF; Overall Length: 6.210 INCHES NOMINAL IN; Leg Length: 6.210 INCHES NOMINAL IN; Special Features: MEDIA HYDRAULIC FLUID; FEMALE BRITISH PARALLEL BS2779 THREADS. 2 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.