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PartsTable / COMPONENT / A42255
A42255 ✓ 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 DISK,VALVE is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING, seat_angle: 45.0 DEGREES NOMINAL, overall_height: 3.977 INCHES NOMINAL IN, shank_diameter: 0.426 INCHES NOMINAL IN, flange_diameter: 1.152 INCHES NOMINAL IN, style_designator: POPPET. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-262-1327, 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
A42255
NSN: 4820-01-262-1327
FSC: 4820
CAGE: 35795 — LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
seat_angle45.0 DEGREES NOMINAL
overall_height3.977 INCHES NOMINAL IN
shank_diameter0.426 INCHES NOMINAL IN
flange_diameter1.152 INCHES NOMINAL IN
style_designatorPOPPET
flange_seat_to_disk_end_height2.500 INCHES NOMINAL IN
NSN4820-01-262-1327
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: A42255 · 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
•
STYLE DESIGNATOR: POPPET
•
SHANK DIAMETER: 0.426 INCHES NOMINAL IN
•
MATERIAL: STEEL CORROSION RESISTING
•
FLANGE SEAT TO DISK END HEIGHT: 2.500 INCHES NOMINAL IN
•
FLANGE DIAMETER: 1.152 INCHES NOMINAL IN
•
SEAT ANGLE: 45.0 DEGREES NOMINAL
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORPOPPET
SHANK DIAMETER0.426 INCHES NOMINAL IN
MATERIALSTEEL CORROSION RESISTING
OVERALL HEIGHT3.977 INCHES NOMINAL IN
FLANGE SEAT TO DISK END HEIGHT2.500 INCHES NOMINAL IN
FLANGE DIAMETER1.152 INCHES NOMINAL IN
SEAT ANGLE45.0 DEGREES NOMINAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
4032250-0701Interchangeable
interchangeable cross-reference
interchangeable
BE2484Interchangeable
interchangeable cross-reference
interchangeable
42255Interchangeable
interchangeable cross-reference
interchangeable
SF-28Interchangeable
interchangeable cross-reference
interchangeable
A28-6Interchangeable
interchangeable cross-reference
interchangeable
55269Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A42255?
A42255 is a DISK,VALVE.
What parts can replace A42255?
There are 11 known substitutes for A42255: 4032250-0701, BE2484, 42255 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A42255?
A42255 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-262-1327. 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