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PartsTable / COMPONENT / LNS4 CDS-21256N
LNS4 CDS-21256N ✓ 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 special_features: CLASS A; PER MIL-V-17848C; 1.500 INCH VALVE; MODEL LNS5 IN, end_item_identification: NAVY EQUIPMENT, part_name_assigned_by_controlling_agency: STEAM PRESSURE REGULATOR. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-086-8455, 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
LNS4 CDS-21256N
NSN: 4820-01-086-8455
FSC: 4820
CAGE: 35795 — LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC (USA)
SPECIFICATIONS
special_featuresCLASS A; PER MIL-V-17848C; 1.500 INCH VALVE; MODEL LNS5 IN
end_item_identificationNAVY EQUIPMENT
part_name_assigned_by_controlling_agencySTEAM PRESSURE REGULATOR
NSN4820-01-086-8455
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: LNS4 CDS-21256N · 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 25
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 LNS4 CDS-21256N?
LNS4 CDS-21256N is a VALVE,REGULATING,FLUID PRESSURE.
What parts can replace LNS4 CDS-21256N?
There are 25 known substitutes for LNS4 CDS-21256N: CA1395484-53120, LNS153-2ALT1, 4384570-504 and 22 more. Substitute compatibility should be verified for your specific system.
What is the NSN for LNS4 CDS-21256N?
LNS4 CDS-21256N is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-086-8455. 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