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N42831 ✓ 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

DIAPHRAGM,ACTUATOR VALVE,SPECIAL. Key specifications include body_length: 1.400 INCHES MAXIMUM IN, overall_depth: 7.300 INCHES NOMINAL IN, overall_width: 6.000 INCHES NOMINAL IN, inclosure_type: FULLY INCLOSED, mounting_method: THREADED HOLE(S) SINGLE GROUP, frequency_rating: 50.0 KILOHERTZ NOMINAL SINGLE COMPONENT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-389-0366, 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
N42831
NSN: 4820-01-389-0366
FSC: 4820
CAGE: 35795 — LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC (USA)
SPECIFICATIONS
body_length1.400 INCHES MAXIMUM IN
overall_depth7.300 INCHES NOMINAL IN
overall_width6.000 INCHES NOMINAL IN
inclosure_typeFULLY INCLOSED
mounting_methodTHREADED HOLE(S) SINGLE GROUP
frequency_rating50.0 KILOHERTZ NOMINAL SINGLE COMPONENT
special_featuresNINE SECONDARIES
style_designatorFLAT TYPE
features_providedPREWIRED AND GROUNDING DEVICE
mounting_provisionUNTHREADED HOLE
nominal_thread_size0.138 INCHES SINGLE GROUP IN
vibration_mount_typeCUP
NSN4820-01-389-0366
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: N42831 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
52-63056Interchangeable
interchangeable cross-reference
interchangeable
365-63056Interchangeable
interchangeable cross-reference
interchangeable
63056Interchangeable
interchangeable cross-reference
interchangeable
42831Interchangeable
interchangeable cross-reference
interchangeable
138287-01Interchangeable
interchangeable cross-reference
interchangeable
2895057-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is N42831?
N42831 is a DIAPHRAGM,ACTUATOR VALVE,SPECIAL.
What parts can replace N42831?
There are 7 known substitutes for N42831: 52-63056, 365-63056, 63056 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for N42831?
N42831 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-389-0366. 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