Nipple: Black Steel, 4 in Nominal Pipe Size, 36 in Lg, Threaded on Both Ends, Schedule 40, Welded

Schedule 40 low-pressure steel and iron pipe and pipe nipples connect to low-pressure fittings. Schedule 40 is a standard schedule rating used for low-pressure applications and has thinner walls than Schedule 80 and Schedule 160. *Grainger’s product supplier has certified that products marked “Made in USA” below comply with "Made in USA" requirements in accordance with FTC rules and guidance.