| Items |
 NP-842 CGA-680 Nipple-Threaded Inlet |
 NP-842C2 CGA-680 Nipple-Countersunk Inlet |
 NP-842SS CGA-680 Nipple-Threaded Inlet |
 NP-843 CGA-680 Nipple-Threaded Inlet |
 NP-843RF CGA-680 Nipple-Threaded Inlet w/ Filter |
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| CGA Standard | 680 | |||||||||
| Application | Argon Helium Nitrogen | |||||||||
| Material | Brass | Brass | Stainless Steel | Brass | ||||||
| Working Pressure | 3001 to 5500 psi | |||||||||
| Length | 2-1/2 in | 2-1/2 in | 3 in | 3 in | ||||||
| Thread Size | 1/4" NPT | 1/4" NPT | 1/4" NPT | 1/4" NPT Male | ||||||
| Use with | 1/4" Tube | |||||||||
| Part | Nipple | Nipple-Countersunk | Nipple | Nipple | Nipple | |||||
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