USA Air Quick Realease Couplers Fitting LU3 NPT Industrial Type for Air Compressor
Premium ball design for longer life;
Nitrile Seals for optimum performance in extreme temperatures;
Industrial / M-Style Interchange - Adapts to all Industrial / M-Style plugs/nipples; Zinc-plated Steel NPT



| P/N | L | ΦD | L1 | SW | MT |
| LU3-2SM | 55 | Φ22 | 12 | 19 | 1/4” NPT |
| LU3-3SM | 55.5 | Φ22 | 13 | 19 | 3/8” NPT |
| LU3-4SM | 59 | Φ22 | 15 | 21 | 1/2” NPT |


| P/N | L | ΦD | L1 | SW | FT |
| LU3-2SF | 46 | Φ22 | 13.5 | 19 | 1/4” NPT |
| LU3-3SF | 48 | Φ22 | 15.5 | 20 | 3/8” NPT |
| LU3-4SF | 50.5 | Φ22 | 17.5 | 25 | 1/2” NPT |


| P/N | L | ΦD | L1 | SW | ΦH |
| LU3-2SHPO | 60 | Φ22 | 20 | 19 | Φ6.35 |
| LU3-3SHPO | 60 | Φ22 | 20 | 19 | Φ8 |
| LU3-4SHPO | 60 | Φ22 | 20 | 19 | Φ10 |


| P/N | L | ΦD | L1 | SW | ΦH |
| LU3-2SH | 64.5 | Φ22 | 20 | 19 | Φ6.35 |
| LU3-3SH | 64.5 | Φ22 | 20 | 19 | Φ8 |
| LU3-4SH | 64.5 | Φ22 | 20 | 19 | Φ10 |


| P/N | L | ΦD | L1 | SW | MT |
| LU3-2PM | 38.5 | Φ7.9 | 10.5 | 14 | 1/4” NPT |
| LU3-3PM | 40 | Φ7.9 | 11 | 17 | 3/8” NPT |
| LU3-4PM | 43.5 | Φ7.9 | 13.5 | 21 | 1/2” NPT |


| P/N | L | ΦD | L1 | SW | FT |
| LU3-2PF | 37 | Φ7.9 | 14 | 16 | 1/4” NPT |
| LU3-3PF | 39 | Φ7.9 | 16 | 20 | 3/8” NPT |
| LU3-4PF | 41.5 | Φ7.9 | 18.5 | 25 | 1/2” NPT |


| P/N | L | ΦD | L1 | SW | ΦH |
| LU3-2PHPO | 48 | Φ7.9 | 20 | 13 | Φ6.35 |
| LU3-3PHPO | 48 | Φ7.9 | 20 | 13 | Φ8 |
| LU3-4PHPO | 48 | Φ7.9 | 20 | 13 | Φ10 |


| P/N | L | ΦD | L1 | SW | ΦH |
| LU3-2PH | 48 | Φ7.9 | 20 | 13 | Φ6.35 |
| LU3-3PH | 48 | Φ7.9 | 20 | 13 | Φ8 |
| LU3-4PH | 48 | Φ7.9 | 20 | 13 | Φ10 |







