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PartsTable / COMPONENT / Y303700610
Y303700610 ✓ 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

VALVE,REGULATING,FLUID PRESSURE. Key specifications include filter: NOT INCLUDED, material: COBALT ALLOY SEAT, body_style: STRAIGHT THRU, temp_rating: 750.0 FAHRENHEIT NOMINAL DEGF, furnished_items: INTERNAL PILOT VALVE, regulation_type: MANUAL SINGLE STAGE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-435-7991, 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
Y303700610
NSN: 4820-00-435-7991
FSC: 4820
CAGE: 35795 — LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC (USA)
SPECIFICATIONS
filterNOT INCLUDED
materialCOBALT ALLOY SEAT
body_styleSTRAIGHT THRU
temp_rating750.0 FAHRENHEIT NOMINAL DEGF
furnished_itemsINTERNAL PILOT VALVE
regulation_typeMANUAL SINGLE STAGE
valve_stem_designSINGLE SEAT
flow_control_devicePISTON, SPRING LOADED
valve_loading_methodSPRING
face_to_face_distance9.500 INCHES NOMINAL IN
outlet_pressure_range100.0 TO 450.0 CAMERA MOUNT
end_connection_quantity2
NSN4820-00-435-7991
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: Y303700610 · 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 24
CA1395484-53120Interchangeable
interchangeable cross-reference
interchangeable
LNS153-2ALT1Interchangeable
interchangeable cross-reference
interchangeable
4384570-504Interchangeable
interchangeable cross-reference
interchangeable
N11122Interchangeable
interchangeable cross-reference
interchangeable
11122Interchangeable
interchangeable cross-reference
interchangeable
53629Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is Y303700610?
Y303700610 is a VALVE,REGULATING,FLUID PRESSURE.
What parts can replace Y303700610?
There are 24 known substitutes for Y303700610: CA1395484-53120, LNS153-2ALT1, 4384570-504 and 21 more. Substitute compatibility should be verified for your specific system.
What is the NSN for Y303700610?
Y303700610 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-435-7991. 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