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C-3431 ITEM 29 — Technical Data Sheet

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— · 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 SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY CA464 OVERALL, style_designator: THREADED FLANGED, seating_surface_shape: FLAT, seal_accommodation_type: SLEEVE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 4820-01-278-1029, 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
C-3431 ITEM 29
NSN: 4820-01-278-1029
FSC: 4820
CAGE: 35795 — LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC (USA)
SPECIFICATIONS
materialCOPPER ALLOY CA464 OVERALL
style_designatorTHREADED FLANGED
seating_surface_shapeFLAT
seal_accommodation_typeSLEEVE
NSN4820-01-278-1029
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: C-3431 ITEM 29 · 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
•
SEATING SURFACE SHAPE: FLAT
•
STYLE DESIGNATOR: THREADED FLANGED
•
MATERIAL: COPPER ALLOY CA464 OVERALL
•
SEAL ACCOMMODATION TYPE: SLEEVE
TECHNICAL CHARACTERISTICS
SEATING SURFACE SHAPEFLAT
STYLE DESIGNATORTHREADED FLANGED
MATERIALCOPPER ALLOY CA464 OVERALL
SEAL ACCOMMODATION TYPESLEEVE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
C3431InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
C005-0125InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
60428InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
47619 ITEM 5InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
47619InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
21126142InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is C-3431 ITEM 29?
C-3431 ITEM 29 is a SEAT,VALVE.
What parts can replace C-3431 ITEM 29?
There are 7 known substitutes for C-3431 ITEM 29: C3431, C005-0125, 60428 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for C-3431 ITEM 29?
C-3431 ITEM 29 is cataloged in the Federal Logistics Information System under NSN 4820-01-278-1029. 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: October 2026