Gast · Gasket

AK521

Name: Gast AK521 GASKET
Brand: Gast
SKU: AK521

GASKET

Manufacturer’s part numberWear part

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.

Find it on Gast’s site

Prices are the supplier’s own, as last checked (date shown); they buy and ship. A price older than 30 days isn’t shown.

As printed in the source

5* GASKET 1 AK521 AK521 [column 0323-101Q]

Fits 8 models

As listed by Gast

Model	Source
0523-101-G588NDX	O&M Manual: 23_OILFREE_70-290.pdf, p. 12
0523-101Q-G181D	O&M manual with parts list 70-290-K
0523-101Q-G588NDX	O&M manual with parts list 70-290-K
1023-101CQ-G608NEX	O&M Manual: 23_OILFREE_70-290.pdf, p. 12
1023-101Q-G279	O&M Manual: 23_OILFREE_70-290.pdf, p. 12
1023-101Q-G608NEX	O&M Manual: 23_OILFREE_70-290.pdf, p. 12
1423-101Q-G625	O&M Manual: 23_OILFREE_70-290.pdf, p. 12
1423-101Q-G626X	O&M Manual: 23_OILFREE_70-290.pdf, p. 12

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

Where it sits

In the 0523-101-G588NDX

6 · Gaskets and O-rings

Our drawing of the machine type, with the 0523-101-G588NDX's own parts; this part is highlighted. Side view along the shaft. Oil-free (dry) pumps have no exhaust box oil, sight glass or oil filter; their exhaust filter is a dust filter.

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