The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-01-586-9128, 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 Tuthill Corp Hansen Coupling Div. Government technical data includes 1 specification, 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-586-9128 |
| Primary Part Number | ML2-H6-143OC |
| Item Name | Coupling Half,quick Disconnect |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Tuthill Corp Hansen Coupling Div |
| Status | ACTIVE |
| Material | STEEL CORROSION RESISTING OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| ML2-H6-143OC PRIMARY | Tuthill Corp Hansen Coupling Div (USA) |
| ML2-H6-143OC CP | Naval Inventory Control Point Mechanicsburg (USA) |
NSN 4730-01-586-9128 is a Coupling Half,quick Disconnect, manufactured by Tuthill Corp Hansen Coupling Div, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-586-9128 has 2 manufacturer part numbers on file: ML2-H6-143OC (Tuthill Corp Hansen Coupling Div), ML2-H6-143OC CP (Naval Inventory Control Point Mechanicsburg).
Key specifications for ML2-H6-143OC: Special Features: CLEAN IAW MIL-STD-1622 DIVER'S AIR OR EQUIVALENT NAVSEA APPROVED PROCEDURE CLEAN IAW MIL-STD-1622 DIVER'S AIR OR EQUIVALENT NAVSEA APPROVED PROCEDURE FOR LIFE SUPPORT AIR SYSTEM; Part Name Assigned by Controlling Agency: SKT QUICK DISCONNECT SOCKET END 1/4 INCH NPT, 3/16 WITH A VITON SEAL IN; End Item Identification: 4330-01-472-6835 FILTER AY,HIGH PRESSURE AND 4310-01-465-1507 COMPRESSOR,RECIPROCATING; Material: STEEL CORROSION RESISTING OVERALL. 1 specification is 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.