The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-01-552-9701, 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 18 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-552-9701 |
| Primary Part Number | S28-1C8-8-49JF |
| 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 Style | FLARED FIRST FLUID END CONNECTION |
| Connection Style | PUSH (INTERNAL) FIRST QUICK DISCONNECT END |
| Criticality Code Justification | FEAT |
| Connection Type | THREADED EXTERNAL TUBE FIRST FLUID END CONNECTION |
| Connection Type | INTERNAL QUICK DISCONNECT FIRST QUICK DISCONNECT END |
| Style Designator | FEMALE COUPLING HALF |
| Nominal Outside Diameter Tube Accommodated | 0.500 INCHES FIRST FLUID END CONNECTION IN |
| Operating Pressure | 1000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Quick Disconnect Nominal Size | 0.500 INCHES FIRST QUICK DISCONNECT END IN |
| Leg Length | 0.660 INCHES NOMINAL IN |
| Features Provided | SELF-SEALING |
| Nominal Thread Size | 0.750 INCHES FIRST FLUID END CONNECTION IN |
| Seat Angle | 37.0 DEGREES |
| Maximum Operating Temp | 100.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Thread Class | 3A FIRST FLUID END CONNECTION A |
| Material | STEEL CORROSION RESISTING OVERALL |
| Quick Disconnect Method | PUSH-PULL FIRST QUICK DISCONNECT END |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) FIRST FLUID END CONNECTION |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 5793199 FIND 297 AND 321 | Naval Sea Systems Command (USA) |
| S28-1C8-8-49JF PRIMARY | Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupler Division (USA) |
| 5793198 FIND 051 | Naval Sea Systems Command (USA) |
NSN 4730-01-552-9701 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 4730-01-552-9701 has 3 manufacturer part numbers on file: 5793199 FIND 297 AND 321 (Naval Sea Systems Command), S28-1C8-8-49JF (Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupler Division), 5793198 FIND 051 (Naval Sea Systems Command).
Key specifications for S28-1C8-8-49JF: Connection Style: FLARED FIRST FLUID END CONNECTION; Connection Style: PUSH (INTERNAL) FIRST QUICK DISCONNECT END; Criticality Code Justification: FEAT; Connection Type: THREADED EXTERNAL TUBE FIRST FLUID END CONNECTION. 18 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.
NSN 4730-01-552-9701 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.