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Technical Data Sheet
PartsTable / COMPONENT / N56855
N56855 ✓ 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

PARTS KIT,PRESSURE REGULATING VA. Key specifications include nonsupply_items_and_quantities: SEAT,VALVE 1;POPPET 1. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-909-3136, 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
N56855
NSN: 4820-00-909-3136
FSC: 4820
CAGE: 35795 — LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC (USA)
SPECIFICATIONS
component_quantity2
nonsupply_items_and_quantitiesSEAT,VALVE 1;POPPET 1
NSN4820-00-909-3136
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: N56855 · 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
•
NONSUPPLY ITEMS AND QUANTITIES: SEAT,VALVE 1;POPPET 1
•
COMPONENT QUANTITY: 2
TECHNICAL CHARACTERISTICS (FLIS)
NONSUPPLY ITEMS AND QUANTITIESSEAT,VALVE 1;POPPET 1
COMPONENT QUANTITY2
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
M39012/25-0011Interchangeable
interchangeable cross-reference
interchangeable
5M.4591.220.54Interchangeable
interchangeable cross-reference
interchangeable
9604-0069Interchangeable
interchangeable cross-reference
interchangeable
92-5059Interchangeable
interchangeable cross-reference
interchangeable
47241Interchangeable
interchangeable cross-reference
interchangeable
12360Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is N56855?
N56855 is a PARTS KIT,PRESSURE REGULATING VA.
What parts can replace N56855?
There are 17 known substitutes for N56855: M39012/25-0011, 5M.4591.220.54, 9604-0069 and 14 more. Substitute compatibility should be verified for your specific system.
Is N56855 still available?
N56855 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026