SAE/MS Straight Thread Fitting (UN, UNJ)

SAE/MS Straight Threads – Technical Data

Features

• Sizes range from 1/16″ to 2″ and 2 mm to 50 mm
• Diverse materials and configurations are available
• Precision machined components ensure perfect deformation of the ferrules and tubing
• Hardened threads with smooth surface finish avoid galling and help to extend the fitting service life
• Female nut threads are silver-plated to reduce the friction against the body threads
• Radius junction design for elbows provides smooth flow path
• Every fitting is marked with size, material and heat number
• Fittings are easy to disconnect and retighten
• 1/8″ to 5/8″, 3 mm to 16 mm fittings available with EC-79 certification

Description

Technical Data

Thread	inch	Dia. at Reference Plane mm Max. Dia.	Dia. at Reference Plane mm Pitch Dia.	Dia. at Reference Plane mm Max. Dia.
SAE/MS Straight Threads (UN, UNJ)	24	7.938	7.249	6.792
SAE/MS Straight Threads (UN, UNJ)	24	9.525	8.837	8.380
SAE/MS Straight Threads (UN, UNJ)	20	11.113	10.287	9.738
SAE/MS Straight Threads (UN, UNJ)	20	12.700	11.875	11.326
SAE/MS Straight Threads (UN, UNJ)	18	14.288	13.325	12.761
SAE/MS Straight Threads (UN, UNJ)	16	19.050	18.019	17.330
SAE/MS Straight Threads (UN, UNJ)	14	22.225	21.046	20.262
SAE/MS Straight Threads (UN, UNJ)	12	26.988	25.613	24.719
SAE/MS Straight Threads (UN, UNJ)	12	30.168	28.788	27.871
SAE/MS Straight Threads (UN, UNJ)	12	33.338	31.963	31.046
SAE/MS Straight Threads (UN, UNJ)	12	41.275	39.901	38.984
SAE/MS Straight Threads (UN, UNJ)	12	47.625	46.251	45.324
SAE/MS Straight Threads (UN, UNJ)	12	63.500	62.126	61.209