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98561A PIECE 2 — REGULATOR,THERMOSTATIC TEMPERATU

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

98561A PIECE 2: REGULATOR,THERMOSTATIC TEMPERATU.

REGULATOR,THERMOSTATIC TEMPERATU. Key specifications include bulb_length: 24.000 INCHES NOMINAL IN, usage_design: CONTROL VALVE FLOW, bulb_diameter: 1.250 INCHES NOMINAL IN, thermostat_type: BULB, capillary_tube_length: 120.000 INCHES NOMINAL IN, operating_temp_rating: 45.0 FAHRENHEIT MINIMUM AND 80.0 FAHRENHEIT MAXIMUM DEGF. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-353-1658, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
98561A PIECE 2
NSN: 4820-01-353-1658
FSC: 4820 — Valves, Nonpowered
CAGE: 73475 — SCHNEIDER ELECTRIC SYSTEMS USA INC (USA)
SPECIFICATIONS
bulb_length24.000 INCHES NOMINAL IN
usage_designCONTROL VALVE FLOW
bulb_diameter1.250 INCHES NOMINAL IN
thermostat_typeBULB
capillary_tube_length120.000 INCHES NOMINAL IN
operating_temp_rating45.0 FAHRENHEIT MINIMUM AND 80.0 FAHRENHEIT MAXIMUM DEGF
NSN4820-01-353-1658
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 98561A PIECE 2 · OEM ⚠ VERIFY BEFORE ORDERING Gate valves = FULL OPEN or FULL CLOSE only — never throttle. Partial opening causes seat erosion and vibration. ✓ BROKER TIP Rising stem shows valve position visually — easier maintenance. Non-rising stem saves headroom. PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
BULB LENGTH: 24.000 INCHES NOMINAL IN
•
BULB DIAMETER: 1.250 INCHES NOMINAL IN
•
CAPILLARY TUBE LENGTH: 120.000 INCHES NOMINAL IN
•
OPERATING TEMP RATING: 45.0 FAHRENHEIT MINIMUM AND 80.0 FAHRENHEIT MAXIMUM DEGF
•
THERMOSTAT TYPE: BULB
•
USAGE DESIGN: CONTROL VALVE FLOW
TECHNICAL CHARACTERISTICS
BULB LENGTH24.000 INCHES NOMINAL IN
BULB DIAMETER1.250 INCHES NOMINAL IN
CAPILLARY TUBE LENGTH120.000 INCHES NOMINAL IN
OPERATING TEMP RATING45.0 FAHRENHEIT MINIMUM AND 80.0 FAHRENHEIT MAXIMUM DEGF
THERMOSTAT TYPEBULB
USAGE DESIGNCONTROL VALVE FLOW
SUBSTITUTES & CROSS-REFERENCES 1
98561AReference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 98561A PIECE 2?
98561A PIECE 2 is a REGULATOR,THERMOSTATIC TEMPERATU.
What parts can replace 98561A PIECE 2?
There is 1 known substitute for 98561A PIECE 2: 98561A. Substitute compatibility should be verified for your specific system.
What is the NSN for 98561A PIECE 2?
98561A PIECE 2 is cataloged in the U.S. Government catalog under NSN 4820-01-353-1658. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.