1020 Valve Parts List

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Here is a detailed list of all of the replacement parts for our 1020 Plunger-Style dump valve.  For additional assistance or to order a replacement part, please contact us at 920.726.4211 or email us at This e-mail address is being protected from spambots. You need JavaScript enabled to view it

Item Qty Description Part Number
1 1 Chute Weldment 1020W
2 1 Seal 101008
3 1 Backing Plate 101010
4 1 Support Plate 101009
5 1 Brass Shaft 101011P
6 1 Internal Tooth Lockwasher
3744-3780
7 1 3/4-10 Nut (Stainless Steel)
3733-3782
8 1 1.00” Pillow Block Bearing 1503-0001W
9 4 3/8-16 x 3/4” Bolt 3601-1030
10 4 3/8” Lockwasher 3643-1255
11 4 3/8-16 Nut 3633-1260
12 1 3/8-16 x 1.50” Bolt 3601-1070
13 1 3/8-16 Nylon Locknut 3636-1250
14 1 Handle Grip 101028
15 1 Gasket 101029B
16 4 Bolt Strip 101027-2.00
17 1 3/4" Pillow Block Bearing
1503-002W
18 1 Lock 105013
19 2 Spindle Assembly 3501-0018
20 1 Neoprene Cap 3501-0019

Lubrication Notes

All moving parts require periodic lubrication. Valve must work freely by loosening and lubrication all moving parts shown in diagram. Item 5 & 8 Bronze Bushing and brass Link must slide free (No Friction) & lubricate. Item 12 &13 Bolts and Nylon locknuts have to be loose. Pivot Pin needs lubrication and must work freely. (We recommend quality aerosol white lithium grease for lubrication)

For over 65 years, A.H. Stock Manufacturing Corp. has been a builder and fabricator of metal products for a variety of industries. We manufacture various components for several OEM manufacturers throughout the United States that are involved in heavy lifting equipment, large tooling centers and fabricating equipment among others. Our mission is to provide our customers with a single source for their metal fabrication needs - from raw materials to finished assemblies - that meet or exceed their expectations.

A.H. Stock Manufacturing Corp. | 8402 Center Road Newton, WI 53063 | Phone: (920) 726-4211 | Fax: (920) 726-4214 | Email:sales@ahstockmfg.com

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