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Technical Data Sheet
PartsTable / COMPONENT / 12720001129
12720001129 ✓ 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, thread_class: 2B, overall_height: 0.944 INCHES NOMINAL IN, outside_diameter: 1.000 INCHES NOMINAL IN, style_designator: PLUG. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-050-9212, 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
12720001129
NSN: 4820-01-050-9212
FSC: 4820
CAGE: 15187 — EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP DIV NAVY PRODUCT TEAM (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
seat_angle45.0 DEGREES NOMINAL
thread_class2B
overall_height0.944 INCHES NOMINAL IN
outside_diameter1.000 INCHES NOMINAL IN
style_designatorPLUG
nominal_thread_size0.437 INCHES IN
thread_series_designatorUNF
NSN4820-01-050-9212
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 12720001129 · 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
•
MATERIAL: STEEL CORROSION RESISTING
•
NOMINAL THREAD SIZE: 0.437 INCHES IN
•
OUTSIDE DIAMETER: 1.000 INCHES NOMINAL IN
•
THREAD SERIES DESIGNATOR: UNF
•
STYLE DESIGNATOR: PLUG
•
SEAT ANGLE: 45.0 DEGREES NOMINAL
•
THREAD CLASS: 2B
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL CORROSION RESISTING
NOMINAL THREAD SIZE0.437 INCHES IN
OUTSIDE DIAMETER1.000 INCHES NOMINAL IN
THREAD SERIES DESIGNATORUNF
STYLE DESIGNATORPLUG
OVERALL HEIGHT0.944 INCHES NOMINAL IN
SEAT ANGLE45.0 DEGREES NOMINAL
THREAD CLASS2B
VERIFIED SUBSTITUTES & CROSS-REFERENCES 26
20306Interchangeable
interchangeable cross-reference
interchangeable
414Interchangeable
interchangeable cross-reference
interchangeable
SMB618526Interchangeable
interchangeable cross-reference
interchangeable
BB726Interchangeable
interchangeable cross-reference
interchangeable
941969R91Interchangeable
interchangeable cross-reference
interchangeable
MC144Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 12720001129?
12720001129 is a DISK,VALVE.
What parts can replace 12720001129?
There are 26 known substitutes for 12720001129: 20306, 414, SMB618526 and 23 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 12720001129?
12720001129 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-050-9212. 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