Agilent Cap, 1/8inch Brass, 6/Pk 5180-4121

The Agilent 5180-4121 is a brass 1/8‑inch plug (cap) supplied with matching nuts in a 6‑pack. Agilent describes the item as a "plug with nut, 1/8 in, brass, 6/pk (6 of each)," intended for use with 1/8‑inch gas fittings and general chromatography plumbing. It is primarily used to cap or plug unused 1/8‑inch ports on GC and laboratory gas lines, to complete installation kits, and to provide spare fittings for maintenance and service.

Key Features:

• Part number: 5180-4121
• Body material: Brass
• Connection size: 1/8 in
• Pack quantity: 6 per pack (6 plugs with 6 nuts)
• Fitting type: Plug (supplied with nut)
• Ferrule type: Brass

Advantages:

• Solid brass construction gives mechanical durability and compatibility with standard lab gas fittings.
• Supplied with matching nuts (6 of each) for immediate installation and replacement.
• Designed to seal or close unused 1/8‑inch ports, helping maintain leak-free chromatography gas lines.
• Standard Agilent part that fits other Agilent 1/8‑inch fittings and installation kits for straightforward system integration.