1-1/4 inch ID NPT Male Coupler/Nipple, 3.5 in. length, 304 Stainless Steel, Vacuum Fitting.

These Male NPT (MNPT) nipples are used to make vacuum connections between two Female National Pipe Thread (FNPT) fittings. For a good vacuum seal we recommend to always use a pipe thread sealant when assembling tapered threads. Pipe thread sealants and pipe tape are sold on this web site.

1-1/4 inch ID NPT Male Coupler
Material: 304 Stainless Steel

Common Dimensions:
A: 3.5 in. (88.9 mm)
B: 1.60 in. (40 mm)
C: 1.25 in. (31.75 mm)