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Technical Data Sheet
PartsTable / COMPONENT / SVJ4021
SVJ4021 ✓ 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 RELAY,ELECTROMAGNETIC is a the manufacturer industrial component. Key specifications include material: IRON CAST BODY, connection_type: THREADED INTERNAL PIPE ALL ENDS, connection_style: PLAIN,OPTIONAL END(PIPE) ALL ENDS, thread_direction: RIGHT-HAND ALL ENDS, nominal_thread_size: 0.750 INCHES ALL ENDS IN, valve_operation_method: AUTOMATIC. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-340-3187, 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
SVJ4021
NSN: 4820-01-340-3187
FSC: 4820
CAGE: 23724 — RUTHMAN PUMP AND ENGINEERING INC DBA FULFLO SPECIALTIES CO DIV FULFLO SPECIALTIES CO. (USA)
SPECIFICATIONS
materialIRON CAST BODY
connection_typeTHREADED INTERNAL PIPE ALL ENDS
connection_stylePLAIN,OPTIONAL END(PIPE) ALL ENDS
thread_directionRIGHT-HAND ALL ENDS
nominal_thread_size0.750 INCHES ALL ENDS IN
valve_operation_methodAUTOMATIC
thread_series_designatorNPTF ALL ENDS
nominal_pipe_size_accommodated0.750 INCHES ALL ENDS IN
NSN4820-01-340-3187
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: SVJ4021 · 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
•
CONNECTION TYPE: THREADED INTERNAL PIPE ALL ENDS
•
THREAD DIRECTION: RIGHT-HAND ALL ENDS
•
MATERIAL: IRON CAST BODY
•
NOMINAL THREAD SIZE: 0.750 INCHES ALL ENDS IN
•
NOMINAL PIPE SIZE ACCOMMODATED: 0.750 INCHES ALL ENDS IN
•
VALVE OPERATION METHOD: AUTOMATIC
•
THREAD SERIES DESIGNATOR: NPTF ALL ENDS
•
CONNECTION STYLE: PLAIN,OPTIONAL END(PIPE) ALL ENDS
TECHNICAL CHARACTERISTICS (FLIS)
CONNECTION TYPETHREADED INTERNAL PIPE ALL ENDS
THREAD DIRECTIONRIGHT-HAND ALL ENDS
MATERIALIRON CAST BODY
NOMINAL THREAD SIZE0.750 INCHES ALL ENDS IN
NOMINAL PIPE SIZE ACCOMMODATED0.750 INCHES ALL ENDS IN
VALVE OPERATION METHODAUTOMATIC
THREAD SERIES DESIGNATORNPTF ALL ENDS
CONNECTION STYLEPLAIN,OPTIONAL END(PIPE) ALL ENDS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
23062Interchangeable
interchangeable cross-reference
interchangeable
418293-41Interchangeable
interchangeable cross-reference
interchangeable
310-02040Interchangeable
interchangeable cross-reference
interchangeable
1000-193Interchangeable
interchangeable cross-reference
interchangeable
2469470-1Interchangeable
interchangeable cross-reference
interchangeable
2-1000-193Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SVJ4021?
SVJ4021 is a RELAY,ELECTROMAGNETIC.
What parts can replace SVJ4021?
There are 9 known substitutes for SVJ4021: 23062, 418293-41, 310-02040 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for SVJ4021?
SVJ4021 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-340-3187. 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