page20
December 2025
Page 21
RDM-PS-05314-EN-01
Fire Series Assembly (FSAA) Meters with Turbine Bypass, Cast Iron
FSAA Check Valve
1 -
Knuckle Joint Assembly
(Complete Unit)
2
3
7
8
9
4
5
6
10a
10b
FSAA Check Valve
Item
Description
Part Numbers
4 in.
6 in.
8 in.
10 in., 12 in.
1
Knuckle joint assembly, complete unit
63892-001
63892-002
63892-003
63892-003
2
Gasket (effective 5/2014 or later)
63892-062
—
—
—
Gasket (effective 4/2014 or later)
—
63892-063
63892-064
63892-064
Old style gasket
63892-019
63892-020
63892-021
63892-021
3
Check removal tool
63892-022
63892-023
63892-024
63892-024
4
Vent screw
65006-001
65006-001
65006-001
65006-001
5
Nylon washer
63892-018
63892-018
63892-018
63892-018
6
Test plug
33879-012
33879-012
33879-012
33879-012
7
Bolt
55026-175
55026-204
55026-204
55026-204
8
Washer
55254-019
55254-021
55254-021
55254-021
9
Nut
55001-061
55001-062
55001-062
55001-062
10a
Cover
63892-036
63892-037
63892-038
63892-040
10b
Optional cover with test plug
65913-004
65913-005
65913-006
65913-006
ns
Lead free bronze alloy seat (replaceable in line)
63892-009
63892-010
63892-011
63892-011
ns
Seat O-ring
63892-014
63892-015
63892-016
63892-016
ns = not shown