The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-01-679-4044, 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 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-679-4044 |
| Primary Part Number | S71-3C16-16EF |
| 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 |
| Connection Type | THREADED INTERNAL TUBE SECOND FLUID END CONNECTION |
| Style Designator | FEMALE COUPLING HALF |
| Operating Pressure | 4000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Basic Shape Style | ROUND FIRST QUICK DISCONNECT END |
| Nominal Thread Size | 1.3125 INCHES SECOND FLUID END CONNECTION IN |
| Maximum Operating Temp | 250.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Thread Quantity Per Inch | 12 SECOND FLUID END CONNECTION |
| Material | STEEL CORROSION RESISTING BODY |
| Quick Disconnect Method | PUSH-LOCK FIRST QUICK DISCONNECT END |
| 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 |
|---|---|
| S71-3C16-16EF PRIMARY | Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupler Division (USA) |
| Reference | Meaning |
|---|---|
| SH71-3C16-16EF | D/9 Drawing number reference only U.S. Government activity |
| S71-3C16-16EF | 3/9 Design control — primary reference U.S. Government activity |
NSN 4730-01-679-4044 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 4730-01-679-4044 has 1 manufacturer part number on file: S71-3C16-16EF (Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupler Division).
Key specifications for S71-3C16-16EF: Connection Type: THREADED INTERNAL TUBE SECOND FLUID END CONNECTION; Style Designator: FEMALE COUPLING HALF; Operating Pressure: 4000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Basic Shape Style: ROUND FIRST QUICK DISCONNECT END. 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.