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20219QS41M — VALVE,SAFETY RELIEF

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

20219QS41M: VALVE,SAFETY RELIEF.

The VALVE,SAFETY RELIEF is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY BODY, valve_size: 2.000 INCHES IN, connection_type: FLANGE ALL ENDS, disk_loading_method: SPRING, flow_control_device: DISK, valve_operation_method: AUTOMATIC. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-220-9814, 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
20219QS41M
NSN: 4820-01-220-9814
FSC: 4820 — Valves, Nonpowered
CAGE: 15187 — EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP DIV NAVY PRODUCT TEAM (USA)
SPECIFICATIONS
materialCOPPER ALLOY BODY
valve_size2.000 INCHES IN
connection_typeFLANGE ALL ENDS
disk_loading_methodSPRING
flow_control_deviceDISK
valve_operation_methodAUTOMATIC
adjustable_pressure_range+136.0 TO 150.0 POUNDS PER SQUARE INCH LBS
NSN4820-01-220-9814
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 20219QS41M · 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
•
FLOW CONTROL DEVICE: DISK
•
CONNECTION TYPE: FLANGE ALL ENDS
•
VALVE SIZE: 2.000 INCHES IN
•
ADJUSTABLE PRESSURE RANGE: +136.0 TO 150.0 POUNDS PER SQUARE INCH LBS
•
DISK LOADING METHOD: SPRING
•
MATERIAL: COPPER ALLOY BODY
•
VALVE OPERATION METHOD: AUTOMATIC
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICEDISK
CONNECTION TYPEFLANGE ALL ENDS
VALVE SIZE2.000 INCHES IN
ADJUSTABLE PRESSURE RANGE+136.0 TO 150.0 POUNDS PER SQUARE INCH LBS
DISK LOADING METHODSPRING
MATERIALCOPPER ALLOY BODY
MATERIALNICKEL ALLOY STEM
VALVE OPERATION METHODAUTOMATIC
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: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 20219QS41M?
20219QS41M is a VALVE,SAFETY RELIEF.
What is the NSN for 20219QS41M?
20219QS41M is cataloged in the U.S. Government catalog under NSN 4820-01-220-9814. 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.