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PartsTable / COMPONENT / A2-136
A2-136 ✓ 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

SOCKET,PLUG-IN ELECTRONIC COMPON. Key specifications include material: COPPER ALLOY OVERALL, body_style: COAXIAL TYPE, seat_angle: 45.0 DEGREES NOMINAL, shaft_type: ROUND, barrel_style: FUNNEL FLANGE STRAIGHT TYPE, flange_style: FLANGE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-146-0409, 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
A2-136
NSN: 4820-00-146-0409
FSC: 4820
CAGE: 15187 — EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP DIV NAVY PRODUCT TEAM (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
body_styleCOAXIAL TYPE
seat_angle45.0 DEGREES NOMINAL
shaft_typeROUND
barrel_styleFUNNEL FLANGE STRAIGHT TYPE
flange_styleFLANGE
power_rating500.0 MILLIWATTS PEAK
shaft_length0.938 INCHES NOMINAL IN
thread_class3B
overall_width1.375 INCHES NOMINAL IN
overall_height2.219 INCHES NOMINAL IN
overall_length3.063 INCHES NOMINAL IN
NSN4820-00-146-0409
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: A2-136 · 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
•
SHOULDER HEIGHT: 1.021 INCHES NOMINAL IN
•
THREAD SERIES DESIGNATOR: UNEF
•
NOMINAL THREAD SIZE: 1.375 INCHES IN
•
STYLE DESIGNATOR: PLUG
•
OUTSIDE DIAMETER: 2.750 INCHES NOMINAL IN
•
SHOULDER WIDTH: 1.575 INCHES NOMINAL IN
•
MATERIAL: STEEL CORROSION RESISTING
TECHNICAL CHARACTERISTICS (FLIS)
SHOULDER HEIGHT1.021 INCHES NOMINAL IN
THREAD SERIES DESIGNATORUNEF
SPECIAL FEATURESWITH VITON INSERT
NOMINAL THREAD SIZE1.375 INCHES IN
STYLE DESIGNATORPLUG
OUTSIDE DIAMETER2.750 INCHES NOMINAL IN
SHOULDER WIDTH1.575 INCHES NOMINAL IN
MATERIALSTEEL CORROSION RESISTING
OVERALL HEIGHT3.911 INCHES NOMINAL IN
SEAT ANGLE45.0 DEGREES NOMINAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
241-20031Interchangeable
interchangeable cross-reference
interchangeable
JANS28Interchangeable
interchangeable cross-reference
interchangeable
52569Interchangeable
interchangeable cross-reference
interchangeable
145266Interchangeable
interchangeable cross-reference
interchangeable
A2136Interchangeable
interchangeable cross-reference
interchangeable
50A60-128Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A2-136?
A2-136 is a SOCKET,PLUG-IN ELECTRONIC COMPON.
What parts can replace A2-136?
There are 8 known substitutes for A2-136: 241-20031, JANS28, 52569 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A2-136?
A2-136 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-146-0409. 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