Swagelok SS-4-HLN-3.00 is a stainless steel pipe fitting, specifically a hex long nipple with 1/4 in. male NPT connections and a length of 3 in.

Hex Long Nipples

Close nipple fitting enables compact, inline pipe connections in tight spaces—ideal for critical piping systems and dense assemblies.

Specifications
Body Material	316 Stainless Steel
Cleaning Process	Standard Cleaning and Packaging (SC-10)
Connection 1 Size	1/4 in.
Connection 1 Type	Male NPT
Connection 2 Size	1/4 in.
Connection 2 Type	Male NPT
Feature	Length 3"
Flow Restrictor	No
Length	3 in. (7.6)