since from 2000 
Description
Nitto Type Air Quick Couplings (also called Japanese Type Quick Connectors) are widely used for compressed air and pneumatic systems. They feature a push-to-connect, single shut-off design ensuring a fast, leak-free connection for industrial rubber and PAC hoses.
| Types, Sizes & IMPA Reference Codes | |||
| Type / Size | Material | IMPA Code (Ref.) | Description |
| 1/4″ (20 Series) | Steel | 351201 | Quick connect coupling, steel 1/4″ |
| 3/8″ (30 Series) | Steel | 351202 | Quick connect coupling, steel 3/8″ |
| 1/2″ (40 Series) | Steel | 351203 | Quick connect coupling, steel 1/2″ |
| 1/4″ (20 Series) | Brass | 351211 | Quick connect coupling, brass 1/4″ |
| 3/8″ (30 Series) | Brass | 351212 | Quick connect coupling, brass 3/8″ |
| 1/4″ (20 Series) | Stainless Steel | 351221 | Quick connect coupling, SS 1/4″ |
| 3/8″ (30 Series) | Stainless Steel | 351222 | Quick connect coupling, SS 3/8″ |
| (IMPA codes shown for reference only. Products supplied may vary in brand or specification.) | |||
