The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-01-657-5540, 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 Coupling Division. Government technical data includes 14 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-657-5540 |
| Primary Part Number | SH1-63-T4 |
| 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 Coupling Division |
| Status | ACTIVE |
| Connection Type | EXTERNAL QUICK DISCONNECT FIRST QUICK DISCONNECT END |
| Connection Type | THREADED INTERNAL BOSS SECOND QUICK DISCONNECT END |
| Style Designator | FEMALE COUPLING HALF |
| Operating Pressure | 5000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Quick Disconnect Nominal Size | 0.125 INCHES FIRST QUICK DISCONNECT END IN |
| Nominal Thread Size | 0.438 INCHES SECOND QUICK DISCONNECT END IN |
| Media for Which Designed | STEAM FIRST RESPONSE |
| Media for Which Designed | GAS THIRD RESPONSE |
| Media for Which Designed | HYDRAULIC FLUID, WATER BASE SECOND RESPONSE |
| Thread Quantity Per Inch | 20 SECOND QUICK DISCONNECT END |
| Material | RUBBER SYNTHETIC GASKET |
| Material | STEEL CORROSION RESISTING BODY |
| Quick Disconnect Method | PUSH-PULL FIRST QUICK DISCONNECT END |
| Thread Series Designator | UNF SECOND 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 |
|---|---|
| SH1-63-T4 PRIMARY | Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupling Division (USA) |
| SH1-63-T4 | Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division (USA) |
| Reference | Meaning |
|---|---|
| SH1-63-T4 | 3/9 Design control — primary reference U.S. Government activity |
NSN 4730-01-657-5540 is a Coupling Half,quick Disconnect, manufactured by Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupling Division, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-657-5540 has 2 manufacturer part numbers on file: SH1-63-T4 (Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupling Division), SH1-63-T4 (Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division).
Key specifications for SH1-63-T4: Connection Type: EXTERNAL QUICK DISCONNECT FIRST QUICK DISCONNECT END; Connection Type: THREADED INTERNAL BOSS SECOND QUICK DISCONNECT END; Style Designator: FEMALE COUPLING HALF; Operating Pressure: 5000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS. 14 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.