Armstrong 911821-120 Coupler Capscrew

Overview

Product Description

Armstrong Coupler Capscrew – Part No. 911821-120

Genuine Armstrong replacement coupler capscrew, Armstrong part number 911821-120, for Series 4300 pumps. Shown as item 144 on the Series 4300 drawing (parts list 6043.132 / 6043.134 / 6043.136 / 6043.137) – highlighted in the pictures above.

Fits these Armstrong pumps

Series 4300 (vertical in-line) – pump sizes 12 × 12 × 13
- Motor frames: 404TC, 405TC, 444TC, 445TC, 444TSC, 445TSC
- Drawing item: 144

Other parts for this pump

Rebuilding a Series 4300 12 × 12 × 13? These parts are often replaced at the same time:

Item	Part
21	Pump Shaft
36	Impeller Key
40	Motor Bracket
44	Adapter Bracket Capscrew
50	Stuffing Box Cover / Adapter
51	Seal Chamber Bushing
52	Seal Cover Capscrew
53	Seal Cover Capscrew Washer
54	Seal Cover
58	Male Straight Connector
59	Tubing
62	Outside Mechanical Seal
62	Outside Mechanical Seal
62	Outside Mechanical Seal
62	Outside Mechanical Seal
62	Outside Mechanical Seal
63	Tee
64	Bushing
67	Nipple
68	Air Vent
80	Impeller
90	Upper & Lower Wear Rings
92	Wear Ring Set Screw
94	Stuffing Box Cover O-ring

Showing 24 of 60 parts – see the full list in the parts finder.

Not sure this is the right part?

Use our Armstrong Pump Parts Finder: choose Series 4300, your pump size and motor to see every part on the drawing. Or send us your pump’s nameplate details – call (416) 236-2338 or email sales@bramhambros.com. Bramham Bros is an authorized Armstrong dealer.

Product Videos

Custom Field

Brand Armstrong

Armstrong Part Number 911821-120

Part Type Coupler / Coupling Guard

Fits Series 4300 12 x 12 x 13

Drawing Item 4300: item 144

Shipping cost: Inquire

Parts Finder canadianpumpshop.com/armstrong-parts-finder/

Product Reviews

Write a Review

Armstrong Coupler Capscrew 911821-120 for Series 4300