The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-00-062-5137, 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 15 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4730-00-062-5137 |
| Primary Part Number | APHC4-4-56V |
| 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 |
| Furnished Items and Quantity | 1 PREFORMED PACKING AND 1 SEAL |
| Connection Style | FLARED ALL ENDS |
| Style Designator | MALE COUPLING HALF |
| Material Document and Classification | SNAPTITE ALUMINUM,6262T9,CLEAR ANODIZED,VITON SEAL MFR REF SINGLE MATERIAL RESPONSE BODY |
| Nominal Outside Diameter Tube Accommodated | 0.250 INCHES ALL ENDS IN |
| Quick Disconnect Nominal Size | 0.250 INCHES ALL ENDS IN |
| Leg Length | 0.525 INCHES MINIMUM AND 0.550 INCHES MAXIMUM IN |
| Features Provided | SAFETY LOCKING FEATURE AND SELF-SEALING |
| Nominal Thread Size | 0.438 INCHES ALL ENDS IN |
| Seat Angle | 37.0 DEGREES |
| Surface Treatment | ANODIZE BODY |
| Thread Class | 3A ALL ENDS A |
| Material | ALUMINUM ALLOY BODY |
| Quick Disconnect Method | SPRING PUSH-PULL ALL ENDS |
| Thread Series Designator | UNF ALL ENDS |
| 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 |
|---|---|
| 21C2205-019 | General Electric Company (USA) |
| APHC4-4-56V PRIMARY | Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupler Division (USA) |
| Reference | Meaning |
|---|---|
| APHC4-456V | 5/9 Secondary reference Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupler Division |
NSN 4730-00-062-5137 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 4730-00-062-5137 has 2 manufacturer part numbers on file: 21C2205-019 (General Electric Company), APHC4-4-56V (Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupler Division).
Key specifications for APHC4-4-56V: Furnished Items and Quantity: 1 PREFORMED PACKING AND 1 SEAL; Connection Style: FLARED ALL ENDS; Style Designator: MALE COUPLING HALF; Material Document and Classification: SNAPTITE ALUMINUM,6262T9,CLEAR ANODIZED,VITON SEAL MFR REF SINGLE MATERIAL RESPONSE BODY. 15 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.