PartsTable
Technical Data Sheet
C129 ✓ Verified by PartsTable
· MRO · MRO_GENERAL
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: ALUMINUM ALLOY, thickness: 0.2500 INCHES NOMINAL IN, bonnet_type: INSIDE SPRING, bore_diameter: 0.2500 INCHES NOMINAL IN, connection_type: THREADED EXTERNAL PIPE FIRST END, connection_style: PLAIN (PIPE) FIRST END. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-431-4182, 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
MRO MRO_GENERAL C129
NSN: 4820-00-431-4182
FSC: 4820
CAGE: 01343 — ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY (USA)
SPECIFICATIONS
materialALUMINUM ALLOY
thickness0.2500 INCHES NOMINAL IN
bonnet_typeINSIDE SPRING
bore_diameter0.2500 INCHES NOMINAL IN
connection_typeTHREADED EXTERNAL PIPE FIRST END
connection_stylePLAIN (PIPE) FIRST END
outside_diameter0.5000 INCHES NOMINAL IN
style_designatorPLAIN ROUND
thread_directionRIGHT-HAND FIRST END
voltage_in_volts250.0
surface_treatmentANODIZE
operating_pressure225.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
NSN4820-00-431-4182
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS SIZE: — · — · — PN: C129 · 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
THREAD DIRECTION: RIGHT-HAND FIRST END
STYLE DESIGNATOR: ANGLE
OPENING PRESSURE SETTING: 200.0 POUNDS PER SQUARE INCH LBS
THREAD SERIES DESIGNATOR: NPT FIRST END
BONNET TYPE: INSIDE SPRING
DISK LOADING METHOD: SPRING
NOMINAL THREAD SIZE: 0.500 INCHES FIRST END IN
CONNECTION TYPE: THREADED EXTERNAL PIPE FIRST END
TECHNICAL CHARACTERISTICS (FLIS)
THREAD DIRECTIONRIGHT-HAND FIRST END
STYLE DESIGNATORANGLE
OPENING PRESSURE SETTING200.0 POUNDS PER SQUARE INCH LBS
THREAD SERIES DESIGNATORNPT FIRST END
BONNET TYPEINSIDE SPRING
DISK LOADING METHODSPRING
NOMINAL THREAD SIZE0.500 INCHES FIRST END IN
CONNECTION TYPETHREADED EXTERNAL PIPE FIRST END
MATERIALCOPPER ALLOY OVERALL
BONNET ATTACHMENT METHODTHREADED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
L38Interchangeable
interchangeable cross-reference
interchangeable
5573018Interchangeable
interchangeable cross-reference
interchangeable
LF0053100Interchangeable
interchangeable cross-reference
interchangeable
8824603-501Interchangeable
interchangeable cross-reference
interchangeable
C129Interchangeable
interchangeable cross-reference
interchangeable
TAC-250Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is C129?
C129 is a SOCKET,PLUG-IN ELECTRONIC COMPON. It is classified as a MRO (MRO_GENERAL).
What parts can replace C129?
There are 10 known substitutes for C129: L38, 5573018, LF0053100 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for C129?
C129 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-431-4182. This indicates validated use in U.S. government and defense supply chains.
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