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Technical Data Sheet
PartsTable / COMPONENT / N10686
N10686 ✓ 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 PISTON,VALVE is a the manufacturer industrial component. Key specifications include overall_length: 1.688 INCHES NOMINAL IN, inside_diameter: 0.429 INCHES NOMINAL IN, outside_diameter: 0.785 INCHES MINIMUM AND 1.740 INCHES MAXIMUM IN, end_item_identification: LESLIE CO,PRESSURE @REDUCING VALVE,1/2-4 IN. SIZE,@CLASS LNS-5 IN, valve_design_control_activity: 35795, valve_size_for_which_designed: 0.500 INCHES 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 4820-00-036-1516, 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
N10686
NSN: 4820-00-036-1516
FSC: 4820
CAGE: 35795 — LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC (USA)
SPECIFICATIONS
overall_length1.688 INCHES NOMINAL IN
inside_diameter0.429 INCHES NOMINAL IN
outside_diameter0.785 INCHES MINIMUM AND 1.740 INCHES MAXIMUM IN
end_item_identificationLESLIE CO,PRESSURE @REDUCING VALVE,1/2-4 IN. SIZE,@CLASS LNS-5 IN
valve_design_control_activity35795
valve_size_for_which_designed0.500 INCHES IN
valve_type_for_which_designedPRESSURE REDUCING
NSN4820-00-036-1516
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: N10686 · 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
•
VALVE SIZE FOR WHICH DESIGNED: 0.500 INCHES IN
•
VALVE DESIGN CONTROL ACTIVITY: 35795
•
OUTSIDE DIAMETER: 0.785 INCHES MINIMUM AND 1.740 INCHES MAXIMUM IN
•
INSIDE DIAMETER: 0.429 INCHES NOMINAL IN
•
VALVE TYPE FOR WHICH DESIGNED: PRESSURE REDUCING
TECHNICAL CHARACTERISTICS (FLIS)
VALVE SIZE FOR WHICH DESIGNED0.500 INCHES IN
VALVE DESIGN CONTROL ACTIVITY35795
OUTSIDE DIAMETER0.785 INCHES MINIMUM AND 1.740 INCHES MAXIMUM IN
INSIDE DIAMETER0.429 INCHES NOMINAL IN
OVERALL LENGTH1.688 INCHES NOMINAL IN
END ITEM IDENTIFICATIONLESLIE CO,PRESSURE @REDUCING VALVE,1/2-4 IN. SIZE,@CLASS LNS-5 IN
VALVE TYPE FOR WHICH DESIGNEDPRESSURE REDUCING
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
10705Interchangeable
interchangeable cross-reference
interchangeable
N59921Interchangeable
interchangeable cross-reference
interchangeable
17389NInterchangeable
interchangeable cross-reference
interchangeable
10737Interchangeable
interchangeable cross-reference
interchangeable
N10737Interchangeable
interchangeable cross-reference
interchangeable
17390NPC9Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is N10686?
N10686 is a PISTON,VALVE.
What parts can replace N10686?
There are 24 known substitutes for N10686: 10705, N59921, 17389N and 21 more. Substitute compatibility should be verified for your specific system.
What is the NSN for N10686?
N10686 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-036-1516. 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