The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-00-556-5015, 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 Beta Fueling Systems, Llc. Government technical data includes 17 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-556-5015 |
| Primary Part Number | 003R-G-005 |
| Item Name | Coupling Half,quick Disconnect |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Beta Fueling Systems, Llc |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE BODY |
| Connection Style | PLAIN ALL ENDS |
| Bolt Circle Nominal Diameter | 3.875 INCHES IN |
| Connection Type | INTERNAL QUICK DISCONNECT ALL ENDS |
| Connection Type | FLANGE FIRST FLUID END CONNECTION |
| Style Designator | MALE COUPLING HALF |
| Material Document and Classification | QQ-A-250/11,T6 FED SPEC SINGLE MATERIAL RESPONSE BODY |
| Bolt Hole Nominal Diameter | 0.406 INCHES IN |
| Quick Disconnect Nominal Size | 2.500 INCHES ALL ENDS IN |
| Leg Length | 0.375 INCHES NOMINAL IN |
| Basic Shape Style | ROUND FIRST FLUID END CONNECTION |
| Nominal Outside Diameter | 4.500 INCHES IN |
| Bolt Hole Quantity | 6 |
| Surface Treatment | ANODIZE BODY |
| Material | ALUMINUM ALLOY BODY |
| Quick Disconnect Method | CAM-LOCKING ALL ENDS |
| Nominal Thickness | 0.375 INCHES 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 |
|---|---|
| 003R-G-005 PRIMARY | Beta Fueling Systems, Llc (USA) |
NSN 4730-00-556-5015 is a Coupling Half,quick Disconnect, manufactured by Beta Fueling Systems, Llc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-556-5015 has 1 manufacturer part number on file: 003R-G-005 (Beta Fueling Systems, Llc).
Key specifications for 003R-G-005: Surface Treatment Document and Classification: MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE BODY; Connection Style: PLAIN ALL ENDS; Bolt Circle Nominal Diameter: 3.875 INCHES IN; Connection Type: INTERNAL QUICK DISCONNECT ALL ENDS. 17 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.