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Grease Nipple SS316 1/4″unf Straight (part R431008) highlighted on the Muir VR2500 exploded view

GREASE NIPPLE SS316 1/4″UNF STRAIGHT

Grease Nipple SS316 1/4"UNF Straight | Genuine | Muir Australia

The Muir Grease Nipple SS316 1/4 UNF Straight is a genuine factory replacement designed for VC2500 capstans and Muir windlasses. Precision-machined from premium 316 marine-grade stainless steel, this straight grease nipple provides a reliable lubrication point for routine maintenance, helping extend the service life of your bearings and shaft assemblies.

Built for Marine Conditions

The Grease Nipple SS316 1/4 UNF Straight features a 1/4" UNF thread for secure, leak-free installation in standard grease ports. The 316 stainless steel construction provides outstanding corrosion resistance against saltwater, UV exposure, and chloride attack — ensuring long-lasting performance and preventing seizure even after years of marine service.

Key Features

  • Genuine Muir replacement grease nipple
  • Suitable for VC2500 capstans and Muir windlasses
  • 1/4" UNF straight thread
  • Premium 316 marine-grade stainless steel construction
  • Superior corrosion resistance in saltwater environments
  • Standard grease gun compatibility

Why Choose Genuine Muir Parts?

Choosing the authentic Grease Nipple SS316 1/4" UNF Straight ensures perfect thread engagement, reliable sealing, and long-term durability. Aftermarket grease nipples often use inferior steel grades or zinc plating that corrode and seize quickly in marine conditions — making future maintenance impossible. Trust genuine Muir parts for dependable performance.

Order your replacement grease nipple today from Muir Australia — trusted marine engineering since 1968.

Part number: R431008

Fits: VC 850 exploded view · VC 2500 exploded view · VC 3500 exploded view · Storm VR/VRC4000 exploded view · Storm VR/VRC3500 exploded view · Storm VR/VRC2500 exploded view

Prices aren’t shown online. Send us the part number and your windlass model and serial number and we’ll confirm fit, price and availability.