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XB1019FWS2B — REGULATOR,THERMOSTATIC TEMPERATU

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

XB1019FWS2B: REGULATOR,THERMOSTATIC TEMPERATU.

REGULATOR,THERMOSTATIC TEMPERATU. Key specifications include bulb_length: 1.250 INCHES NOMINAL IN, usage_design: CONTROLS TEMP.IN T SERIES THERMAL EXPANSION VALVES, bulb_diameter: 0.375 INCHES NOMINAL IN, mounting_method: FLANGE, thermostat_type: BULB, special_features: W/ 1/4 IN.MALE FLARE EXTERNAL EQUALIZER;MEDIA REFRIGERANT 12 IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-116-9768, 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
XB1019FWS2B
NSN: 4820-00-116-9768
FSC: 4820 — Valves, Nonpowered
CAGE: 70255 — EMERSON ELECTRIC CO ALCO CONTROLS DIV (USA)
SPECIFICATIONS
bulb_length1.250 INCHES NOMINAL IN
usage_designCONTROLS TEMP.IN T SERIES THERMAL EXPANSION VALVES
bulb_diameter0.375 INCHES NOMINAL IN
mounting_methodFLANGE
thermostat_typeBULB
special_featuresW/ 1/4 IN.MALE FLARE EXTERNAL EQUALIZER;MEDIA REFRIGERANT 12 IN
capillary_tube_length120.000 INCHES NOMINAL IN
NSN4820-00-116-9768
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: XB1019FWS2B · 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: 1.250 INCHES NOMINAL IN
•
BULB DIAMETER: 0.375 INCHES NOMINAL IN
•
MOUNTING METHOD: FLANGE
•
CAPILLARY TUBE LENGTH: 120.000 INCHES NOMINAL IN
•
THERMOSTAT TYPE: BULB
•
USAGE DESIGN: CONTROLS TEMP.IN T SERIES THERMAL EXPANSION VALVES
TECHNICAL CHARACTERISTICS
BULB LENGTH1.250 INCHES NOMINAL IN
BULB DIAMETER0.375 INCHES NOMINAL IN
MOUNTING METHODFLANGE
CAPILLARY TUBE LENGTH120.000 INCHES NOMINAL IN
THERMOSTAT TYPEBULB
SPECIAL FEATURESW/ 1/4 IN.MALE FLARE EXTERNAL EQUALIZER;MEDIA REFRIGERANT 12 IN
USAGE DESIGNCONTROLS TEMP.IN T SERIES THERMAL EXPANSION VALVES
OTHER ITEMS IN FSC 4820 — Valves, Nonpowered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4820-00-000-0097 4820-00-001-0010 4820-00-001-0020 4820-00-001-0021 4820-00-001-0032 4820-00-001-0037 4820-00-001-0042 4820-00-001-1230
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 XB1019FWS2B?
XB1019FWS2B is a REGULATOR,THERMOSTATIC TEMPERATU.
What is the NSN for XB1019FWS2B?
XB1019FWS2B is cataloged in the U.S. Government catalog under NSN 4820-00-116-9768. 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.