Filter
Top Products
FIRST STAGE - OASIS™ SRB5700, BLIZZARD™ SRB5900, MAGNUM® SRB5300, BRUT™ SRB5100
To determine the first stage of a particular regulator, compare the regulator with the pictures and
diagrams in this guide. The model number of the regulator is laser stamped on the first stage between
two of the outlet ports. For further information, contact Sherwood at 1(888) 50-SCUBA.
ITEM # CATALOG # DESCRIPTION
1 . . . . . . . . . . .5105-70 . . . . . . . . .Handwheel
2 . . . . . . .J2790056B . . . . . . . . . .Filter Retaining Ring
3 . . . . . . . . . . .1390-7 . . . . . . . . .Filter
4 . . . . . . . .29-5305-4 . . . . . . . . . .Oasis, Blizzard &
Magnum Moving Orifice
(bare, no O-rings)
4B . . . . . . .43-5105-4 . . . . . . . . . .Brut Removable Orifice
(bare, no O-rings)
5 . . . . . . . .19-8010-8 . . . . . . . . . .Belleville Spring Washers
(5 needed)
6 . . . . . . . . . .G007A . . . . . . . . . . .O-ring
7 . . . . . . . . MS28774-007 . . . . . . .White Backup Washer
8 . . . . . . . . . . .5705-20 . . . . . . . . .Dust Cap
9 . . . . . . . . .1-1665-17 . . . . . . . . .Yoke Nut
10 . . . . . . . .2-1665-26 . . . . . . . . .Yoke (shiny finish, Brut, Magnum)
10 . . . . . . .69-1665-26 . . . . . . . . .Yoke (matte finish, Oasis, Blizzard)
11 . . . . . . . G904A . . . . . . . . . . .O-ring (for H. P. port plug)
12 . . . . . . . .1-3405-4 . . . . . . . . . .H. P. Port Plug
13 . . . . . . . .2-5105-1 . . . . . . . . . .Brut Body (shiny, 1 H.P. Port)
13 . . . . . . . .2-5305-1 . . . . . . . . . .Magnum Body
(shiny, 2 H.P. Ports)
13 . . . . . . . .69-5705-1 . . . . . . . . . .Oasis/Blizzard Body
(matte finish, 2 H.P., 2 PRI)
14 . . . . . . . . .G011B . . . . . . . . . . .O-ring (for L.P. Port Plugs)
15 . . . . . . . . . .3106-6 . . . . . . . . .One Way Bleed Valve
16 . . . . . . . .1-3105-6 . . . . . . . . . .L. P. Port Plug
17 . . . . . . . . . .5105-6 . . . . . . . . .Gasket for Flow Control Element
18 . . . . . . . . . .5105-15 . . . . . . . . .Flow Assembly
18 . . . . . . . . . .5105-13 . . . . . . . . .Flow Restrictor
18 . . . . . . . . . .5105-14 . . . . . . . . .Filter
19 . . . . . . . . . .5105-12 . . . . . . . . .Main Spring
20 . . . . . . . . . .5105-7PK . . . . . . .Shim (to raise hose pressure)
21 . . . . . . . . .G007A . . . . . . . . . . .O-ring (for small end of piston)
22 . . . . . . . . . .3801-5 . . . . . . . . .Piston Seat
23 . . . . . . . . . .25-5105-3 . . . . . . .Piston (bare, no seat or O-rings)
24 . . . . . . . . .G022A . . . . . . . . . . .O-ring (for large end of piston)
25. . . . . . . . .G025A . . . . . . . . . . .O-ring (for cap)
26 . . . . . . . .2-5105-2 . . . . . . . . . .Brut Cap (shiny, no label)
26 . . . . . . . .2-5305-2 . . . . . . . . . .Magnum Cap
(shiny, indent for label)
26 . . . . . . . .69-5305-2 . . . . . . . . . .Oasis/Blizzard Cap
(matte, indent for label)
27 . . . . . . . . . .5700-15 . . . . . . . . .Cap Label (Magnum, Oasis, Blizzard)
28 . . . . . . . . . .5705-21BK . . . . . .Trim Ring (Oasis, Blizzard only)