The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-01-534-4340, 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 Oshkosh Defense Llc. Government technical data includes 6 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-534-4340 |
| Primary Part Number | 3572785 |
| Item Name | Coupling Half,quick Disconnect |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Oshkosh Defense Llc |
| Status | ACTIVE |
| Nominal Pipe Size Accommodated | 0.375 INCHES FIRST QUICK DISCONNECT END IN |
| Style Designator | MALE COUPLING HALF |
| Nominal Thread Size | 0.375 INCHES FIRST QUICK DISCONNECT END IN |
| Thread Quantity Per Inch | 18 FIRST QUICK DISCONNECT END |
| Material | NICKEL ALLOY AND COPPER ALLOY BODY |
| Thread Series Designator | NPT FIRST FLUID END CONNECTION |
| 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 |
|---|---|
| 3572785 | Oshkosh Defense Llc (USA) |
| Reference | Meaning |
|---|---|
| BH2E | C/1 Advisory reference — outside the item-of-supply concept Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupling Division |
| 3572785 | 5/9 Secondary reference Oshkosh Corp |
| BH2E | 3/9 Design control — primary reference U.S. Government activity |
NSN 4730-01-534-4340 is a Coupling Half,quick Disconnect, manufactured by Oshkosh Defense Llc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-534-4340 has 1 manufacturer part number on file: 3572785 (Oshkosh Defense Llc).
Key specifications for 3572785: Nominal Pipe Size Accommodated: 0.375 INCHES FIRST QUICK DISCONNECT END IN; Style Designator: MALE COUPLING HALF; Overall Length: 1.910 INCHES NOMINAL IN; Nominal Thread Size: 0.375 INCHES FIRST QUICK DISCONNECT END IN. 6 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.