RJT Slotted Round Union Nut (304 Stainless Steel, 1"–6")

Slotted Collar Design & RJT Union Role

This standalone component is the round slotted nut for a Ring Joint Type (RJT) hygienic union, machined from grade 304 stainless steel. While a standard RJT union uses a six-sided hexagonal nut, the slotted round nut replaces the hex flats with perimeter slots engaged by a hook or C-spanner.

Using a slotted round nut reduces the radial corner swing required around closely spaced manifold branches and discourages unauthorized hand or pipe-wrench disassembly.

RJTSN Dimensional Coverage (1" to 6")

The RJT slotted nut datasheet tabulates nine part codes from RJTSN25 through RJTSN150, corresponding to nominal tube sizes 1" (25 mm), 1.25" (32 mm), 1.5" (38 mm), 2" (50 mm), 2.5" (63.5 mm), 3" (76.2 mm), 4" (101.6 mm), 5" (125 mm), and 6" (150 mm).

Across the range, internal clearance bore ID spans 31.5 mm to 160 mm, external diameter OD spans 60 mm to 211 mm, nut thickness W spans 22 mm to 35 mm, and slot width X is 8 mm (1" to 2.5"), 9 mm (3" and 4"), or 10 mm (5" and 6").

Mating Union Components & Spanner Matching

This SKU supplies the slotted nut only. A complete RJT union joint requires a matching RJT weld liner, RJT weld male, and an RJT O-ring seal of the same nominal imperial size.

Before ordering, verify that the mating male part carries the matching RJT thread form and that a compatible C-spanner fits the 8 mm, 9 mm, or 10 mm slot width X.