Why use our parts?
Fire hydrants are often exposed to the elements, physical impacts, and heavy use during emergency situations. A worn or poorly fitted part can compromise the proper functioning of the equipment at a critical moment. Using high-quality generic parts with OEM-equivalent performance helps extend the equipment’s lifespan while ensuring the safety of both intervention teams and the public.
By choosing Hydra-Spec, you benefit from:
H-S
REF
Description
Parts
4001
4004
4115
4120
4025*
4030*
4035*
1035-ZB
4040*
1040-ZF
4145
4046
4150
4155
4156
4156-F
4160*
4170
4075
4185
60
45
43
74
51
46
52
–
47
–
58
48
42
94
93
–
75
49
66
44
Operating nut
Thrust bearing retainer
Bonnet
Upper stem
Hose nozzle¹
Hose nozzle cap¹
Pumper nozzle (discontinued) (not shown)
Storz pumper nozzle brass
Pumper nozzle cap (not shown)
Storz pumper cap (int.)
Stem guide coupling
Stem extension coupling
Upper barrel Storz
Safety flange
Floating flange
Threaded flange
Lower stem³
Main valve seat
Drain valve
Rubber valve plate
H-S
REF
Description
Hardware
QU-01
QU-02
QU-03
QU-311
QU-323
QU-332
QU-370
QU-474
QU-510
QU-605
QU-607
QU-706
QU-707
91
69
59
65
68
76
90
70
67
92
98
72
73
Chain with s-hook and cap ring
Flange bolt & nut
Coupling bolt & nut
Machine screw for stop block
Nozzle lock screw
Machine screw for lube hole
Bonnet lockscrew
Flange bolt washer
Drip valve facing clamp
Snap ring
Drain plug
Needle thrust bearing
Thrust bearing race
H-S
REF
Description
O-Rings
JT-16
JT-27
JT-38
JT-42
JT-48
JT-55
JT-56
JT-65
80
64
77
–
–
78
–
81
Bonnet internal o-ring
Thrust bearing retainer o-ring
Seat upper o-ring
Storz pumper cap o-ring
Pumper nozzle o-ring (int.)
Seat lower o-ring
Storz pumper nozzle o-ring (ext.)
Bonnet upper o-ring
H-S
REF
Description
Gaskets
4100
4100-S
GA-21
GA-48
GA-51
GA-54
GA-76
4080
–
–
82
57
56
96
62
61
Complete restoration gasket kit
Upper mecanism gasket kit
Intersection flange gasket
Pumper nozzle cap gasket (not shown)
Hose nozzle cap gasket
Thrust bearing retainer nut gasket
Drain valve facing
Main valve disc “polyurethane”
1. Specify thread type
2. Specify type and dimension
3. Specify length if other than standard 9 ft
*All manufacturers’ names, part numbers and descriptions are used for reference purposes only. We do not imply that any parts are the products of a particular manufacturer.
We offer a complete range of essential parts to ensure the proper functioning of fire hydrants. All our parts are selected for their durability, performance, and compatibility with existing systems.
Durable, field-ready tools for hydrant inspection and maintenance. Includes Hydrantscope, Reflectoscope, valve keys, and more—built for precision and reliability.
Reliable equipment for flushing, draining, and purging hydrant systems. Designed to keep water networks clean, efficient, and compliant.
High-visibility markers that help quickly locate and identify hydrants in any condition. Includes reflective indicators, color codes, and customizable ID plates.
