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Technical Data Sheet
PartsTable / COMPONENT / 12131-42
12131-42 ✓ 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 COIL,RADIO FREQUENCY is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY OVERALL, seat_radius: 0.125 INCHES NOMINAL IN, thread_class: 3A SINGLE THREADED PORTION A, thread_length: 0.375 INCHES NOMINAL SINGLE THREADED PORTION IN, flange_diameter: 3.125 INCHES NOMINAL IN, style_designator: THREADED FLANGED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-039-5995, 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
12131-42
NSN: 4820-01-039-5995
FSC: 4820
CAGE: 35795 — LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC (USA)
SPECIFICATIONS
materialNICKEL ALLOY OVERALL
seat_radius0.125 INCHES NOMINAL IN
thread_class3A SINGLE THREADED PORTION A
thread_length0.375 INCHES NOMINAL SINGLE THREADED PORTION IN
flange_diameter3.125 INCHES NOMINAL IN
style_designatorTHREADED FLANGED
nominal_thread_size2.937 INCHES SINGLE THREADED PORTION IN
under_flange_height0.562 INCHES NOMINAL IN
body_inside_diameter2.515 INCHES NOMINAL IN
seating_surface_shapeRADIAL
thread_quantity_per_inch14 SINGLE THREADED PORTION
thread_series_designatorUNS SINGLE THREADED PORTION
NSN4820-01-039-5995
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 12131-42 · 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
•
FLANGE DIAMETER: 3.125 INCHES NOMINAL IN
•
STYLE DESIGNATOR: THREADED FLANGED
•
MATERIAL: NICKEL ALLOY OVERALL
•
THREAD SERIES DESIGNATOR: UNS SINGLE THREADED PORTION
•
BODY INSIDE DIAMETER: 2.515 INCHES NOMINAL IN
•
THREAD QUANTITY PER INCH: 14 SINGLE THREADED PORTION
•
SEAT RADIUS: 0.125 INCHES NOMINAL IN
•
THREAD LENGTH: 0.375 INCHES NOMINAL SINGLE THREADED PORTION IN
TECHNICAL CHARACTERISTICS (FLIS)
FLANGE DIAMETER3.125 INCHES NOMINAL IN
STYLE DESIGNATORTHREADED FLANGED
MATERIALNICKEL ALLOY OVERALL
THREAD SERIES DESIGNATORUNS SINGLE THREADED PORTION
BODY INSIDE DIAMETER2.515 INCHES NOMINAL IN
THREAD QUANTITY PER INCH14 SINGLE THREADED PORTION
SEAT RADIUS0.125 INCHES NOMINAL IN
THREAD LENGTH0.375 INCHES NOMINAL SINGLE THREADED PORTION IN
FLANGE SEAT TO DISK END HEIGHT0.375 INCHES NOMINAL IN
SEATING SURFACE SHAPERADIAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
917 31/64Interchangeable
interchangeable cross-reference
interchangeable
503-S 31/64Interchangeable
interchangeable cross-reference
interchangeable
44031Interchangeable
interchangeable cross-reference
interchangeable
ES0676870-1Interchangeable
interchangeable cross-reference
interchangeable
2687Interchangeable
interchangeable cross-reference
interchangeable
121312Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 12131-42?
12131-42 is a COIL,RADIO FREQUENCY.
What parts can replace 12131-42?
There are 14 known substitutes for 12131-42: 917 31/64, 503-S 31/64, 44031 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 12131-42?
12131-42 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-039-5995. 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