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N50218 ✓ 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 RETAINER,TRIP RESET HANDLE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, end_style: SINGLE END SECOND END, ring_style: INTERNAL, usage_design: INTERNAL, coil_quantity: 4-1/4, inside_diameter: 0.406 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 4820-01-215-1629, 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
N50218
NSN: 4820-01-215-1629
FSC: 4820
CAGE: 35795 — LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
end_styleSINGLE END SECOND END
ring_styleINTERNAL
usage_designINTERNAL
coil_quantity4-1/4
inside_diameter0.406 INCHES NOMINAL IN
major_thickness0.078 INCHES NOMINAL IN
outside_diameter2.415 INCHES NOMINAL IN
special_featuresPART OF AUXILIARY FUEL TANK H-53 H-3 HELICOPTER; REPLACEABLE ORING MATERIAL - RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
style_designatorSINGLE TORSION LEFT HAND
surface_treatmentCADMIUM OVERALL
spring_free_length0.195 INCHES NOMINAL IN
NSN4820-01-215-1629
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: N50218 · 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 19
N1300-218Interchangeable
interchangeable cross-reference
interchangeable
1-N-218Interchangeable
interchangeable cross-reference
interchangeable
N5000-218Interchangeable
interchangeable cross-reference
interchangeable
2717INInterchangeable
interchangeable cross-reference
interchangeable
21731M0DInterchangeable
interchangeable cross-reference
interchangeable
27171NInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is N50218?
N50218 is a RETAINER,TRIP RESET HANDLE.
What parts can replace N50218?
There are 19 known substitutes for N50218: N1300-218, 1-N-218, N5000-218 and 16 more. Substitute compatibility should be verified for your specific system.
What is the NSN for N50218?
N50218 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-215-1629. 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