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N34777 ✓ 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 CAP,VALVE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 440C, design_type: DRY, intake_hole: NOT INCLUDED, valve_recess: NOT INCLUDED, bore_diameter: 3.250 INCHES NOMINAL IN, overall_length: 2.688 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-436-5753, 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
N34777
NSN: 4820-01-436-5753
FSC: 4820
CAGE: 35795 — LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC (USA)
SPECIFICATIONS
materialSTEEL COMP 440C
design_typeDRY
intake_holeNOT INCLUDED
valve_recessNOT INCLUDED
bore_diameter3.250 INCHES NOMINAL IN
overall_length2.688 INCHES NOMINAL IN
top_intake_portNOT INCLUDED
style_designatorDRY, PLAIN
top_inside_chamferNOT INCLUDED
body_outside_diameter3.656 INCHES NOMINAL IN
bottom_inside_chamferNOT INCLUDED
material_document_and_classificationASTM A276, TYPE 440C ASSN STD SINGLE MATERIAL RESPONSE
NSN4820-01-436-5753
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: N34777 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
17389N,PC.8,P/N11209Interchangeable
interchangeable cross-reference
interchangeable
22041NInterchangeable
interchangeable cross-reference
interchangeable
17390NPC8Interchangeable
interchangeable cross-reference
interchangeable
34777Interchangeable
interchangeable cross-reference
interchangeable
09836Interchangeable
interchangeable cross-reference
interchangeable
9836Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is N34777?
N34777 is a CAP,VALVE.
What parts can replace N34777?
There are 10 known substitutes for N34777: 17389N,PC.8,P/N11209, 22041N, 17390NPC8 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for N34777?
N34777 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-436-5753. 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