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Technical Data Sheet
PartsTable / COMPONENT / 77950-2
77950-2 ✓ 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 VALVE,BUTTERFLY is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING BODY, special_features: MANUAL OVERRIDE, style_designator: STRAIGHT THRU, mounting_facility: WAFER, current_rating_in_amps: 1.200, valve_operation_method: ELECTRIC MOTOR. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4810-01-213-1544, 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
77950-2
NSN: 4810-01-213-1544
FSC: 4810
CAGE: 3EHZ0 — ESI ACQUISITION CORP DBA ESI ACQUISITION CORP (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING BODY
special_featuresMANUAL OVERRIDE
style_designatorSTRAIGHT THRU
mounting_facilityWAFER
current_rating_in_amps1.200
valve_operation_methodELECTRIC MOTOR
media_for_which_designedAIR SINGLE RESPONSE
voltage_in_volts_and_current_type28.0 DC
NSN4810-01-213-1544
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 77950-2 · 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
•
MOUNTING FACILITY: WAFER
•
VOLTAGE IN VOLTS AND CURRENT TYPE: 28.0 DC
•
VALVE OPERATION METHOD: ELECTRIC MOTOR
•
MATERIAL: STEEL CORROSION RESISTING BODY
•
MEDIA FOR WHICH DESIGNED: AIR SINGLE RESPONSE
•
STYLE DESIGNATOR: STRAIGHT THRU
•
CURRENT RATING IN AMPS: 1.200
TECHNICAL CHARACTERISTICS (FLIS)
MOUNTING FACILITYWAFER
VOLTAGE IN VOLTS AND CURRENT TYPE28.0 DC
VALVE OPERATION METHODELECTRIC MOTOR
MATERIALSTEEL CORROSION RESISTING BODY
MEDIA FOR WHICH DESIGNEDAIR SINGLE RESPONSE
STYLE DESIGNATORSTRAIGHT THRU
SPECIAL FEATURESMANUAL OVERRIDE
CURRENT RATING IN AMPS1.200
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
57533Interchangeable
interchangeable cross-reference
interchangeable
77950Interchangeable
interchangeable cross-reference
interchangeable
WMS2104-4XInterchangeable
interchangeable cross-reference
interchangeable
77950-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 77950-2?
77950-2 is a VALVE,BUTTERFLY.
What parts can replace 77950-2?
There are 4 known substitutes for 77950-2: 57533, 77950, WMS2104-4X and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 77950-2?
77950-2 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4810-01-213-1544. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026