PartsTable
Technical Data Sheet
D420-5-12-440 ✓ Verified by PartsTable
· GATE VALVE
WHAT YOU NEED TO KNOW
Full open or full close only — never throttle Rising stem shows position visually
Throttling a gate valve erodes seats
PRODUCT OVERVIEW

The GEAR OPERATOR,VALVE is a the manufacturer industrial component. Key specifications include material: IRON, gear_type: WORM, gear_ratio: 30 TO 1, features_provided: HANDWHEEL AND INDICATOR GAGE, valve_size_for_which_designed: 12.000 INCHES IN, valve_type_for_which_designed: BUTTERFLY. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-200-8925, 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
D420-5-12-440
NSN: 4820-01-200-8925
FSC: 4820
CAGE: 04613 — EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP (USA)
SPECIFICATIONS
materialIRON
gear_typeWORM
gear_ratio30 TO 1
features_providedHANDWHEEL AND INDICATOR GAGE
valve_size_for_which_designed12.000 INCHES IN
valve_type_for_which_designedBUTTERFLY
criticality_code_justificationZZZY
reference_number_differentiating_characteristicsMATERIAL WILL BE IN ACCORDANCE WITH NAVICP ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS
NSN4820-01-200-8925
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS SIZE: — · — · — PN: D420-5-12-440 · 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
GEAR RATIO: 30 TO 1
VALVE SIZE FOR WHICH DESIGNED: 12.000 INCHES IN
VALVE TYPE FOR WHICH DESIGNED: BUTTERFLY
MATERIAL: IRON
FEATURES PROVIDED: HANDWHEEL AND INDICATOR GAGE
GEAR TYPE: WORM
TECHNICAL CHARACTERISTICS (FLIS)
GEAR RATIO30 TO 1
VALVE SIZE FOR WHICH DESIGNED12.000 INCHES IN
VALVE TYPE FOR WHICH DESIGNEDBUTTERFLY
MATERIALIRON
FEATURES PROVIDEDHANDWHEEL AND INDICATOR GAGE
GEAR TYPEWORM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
464-3546Interchangeable
interchangeable cross-reference
interchangeable
B4028415Interchangeable
interchangeable cross-reference
interchangeable
770-RPBInterchangeable
interchangeable cross-reference
interchangeable
5120PL0936825Interchangeable
interchangeable cross-reference
interchangeable
341663Interchangeable
interchangeable cross-reference
interchangeable
111-000Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is D420-5-12-440?
D420-5-12-440 is a GEAR OPERATOR,VALVE.
What parts can replace D420-5-12-440?
There are 18 known substitutes for D420-5-12-440: 464-3546, B4028415, 770-RPB and 15 more. Substitute compatibility should be verified for your specific system.
Is D420-5-12-440 still available?
D420-5-12-440 is currently cancelled.
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