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Welch · Screw / bolt / nut

2-01-0114

SCREW HEX HD 1/4”-20 X 7/8” LG. THRUST DISK

Manufacturer’s part number

Where to get it

No supplier lists this number with us yet. Ask for a quote and a specialist finds price and availability for you.

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As printed in the source

3 | 10 | 2-01-0114 | SCREW HEX HD 1/4”-20 X 7/8” LG. | 33 | 3 | 41-1766 | 1 | 1 | THRUST DISK

Fits 1 model

As listed by Welch

When ordering, give the model and serial number from the nameplate: some parts changed within a model’s life.

Where it sits

In the DuoSeal 1405

Shaft seal1End plate (drive side)2Rotor and shaft3Vanes4Gaskets and O-rings5Gas ballast and relief valves6Inlet filter7Screws, washers, pins8

In the manufacturer’s drawings

Part number, name and fitment as published by Welch (source), retrieved 2026-10-19. Vac & Air is independent and not affiliated with the manufacturers shown; names and numbers identify the parts only.

Welch 2-01-0114 SCREW HEX HD 1/4”-20 X 7/8” LG. THRUST DISK | Vac & Air