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PartsTable / COMPONENT / N53926
N53926 ✓ 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

TUBE,PITOT,WATER PRESSURE REDUCI. Key specifications include material: NICKEL ALLOY OVERALL, thread_class: 2A SINGLE THREADED PORTION A, thread_length: 0.688 INCHES NOMINAL SINGLE THREADED PORTION IN, flange_diameter: 4.438 INCHES NOMINAL IN, style_designator: THREADED FLANGED, seat_angle_in_deg: 45.000 NOMINAL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-919-8378, 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
N53926
NSN: 4820-00-919-8378
FSC: 4820
CAGE: 35795 — LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC (USA)
SPECIFICATIONS
materialNICKEL ALLOY OVERALL
thread_class2A SINGLE THREADED PORTION A
thread_length0.688 INCHES NOMINAL SINGLE THREADED PORTION IN
flange_diameter4.438 INCHES NOMINAL IN
style_designatorTHREADED FLANGED
seat_angle_in_deg45.000 NOMINAL
nominal_thread_size4.062 INCHES SINGLE THREADED PORTION IN
under_flange_height0.688 INCHES NOMINAL IN
body_inside_diameter3.266 INCHES NOMINAL IN
seating_surface_shapeANGULAR
thread_quantity_per_inch14 SINGLE THREADED PORTION
thread_series_designatorUNS SINGLE THREADED PORTION
NSN4820-00-919-8378
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: N53926 · 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
•
NOMINAL THREAD SIZE: 4.062 INCHES SINGLE THREADED PORTION IN
•
STYLE DESIGNATOR: THREADED FLANGED
•
THREAD SERIES DESIGNATOR: UNS SINGLE THREADED PORTION
•
FLANGE DIAMETER: 4.438 INCHES NOMINAL IN
•
MATERIAL: NICKEL ALLOY OVERALL
•
BODY INSIDE DIAMETER: 3.266 INCHES NOMINAL IN
•
THREAD CLASS: 2A SINGLE THREADED PORTION A
•
FLANGE SEAT TO DISK END HEIGHT: 0.250 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
NOMINAL THREAD SIZE4.062 INCHES SINGLE THREADED PORTION IN
STYLE DESIGNATORTHREADED FLANGED
THREAD SERIES DESIGNATORUNS SINGLE THREADED PORTION
FLANGE DIAMETER4.438 INCHES NOMINAL IN
MATERIALNICKEL ALLOY OVERALL
BODY INSIDE DIAMETER3.266 INCHES NOMINAL IN
THREAD CLASS2A SINGLE THREADED PORTION A
FLANGE SEAT TO DISK END HEIGHT0.250 INCHES NOMINAL IN
THREAD LENGTH0.688 INCHES NOMINAL SINGLE THREADED PORTION IN
UNDER FLANGE HEIGHT0.688 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
5392-6Interchangeable
interchangeable cross-reference
interchangeable
AN500A10-7Interchangeable
interchangeable cross-reference
interchangeable
FFS92Interchangeable
interchangeable cross-reference
interchangeable
53934Interchangeable
interchangeable cross-reference
interchangeable
19965NInterchangeable
interchangeable cross-reference
interchangeable
N53934Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is N53926?
N53926 is a TUBE,PITOT,WATER PRESSURE REDUCI.
What parts can replace N53926?
There are 13 known substitutes for N53926: 5392-6, AN500A10-7, FFS92 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for N53926?
N53926 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-919-8378. 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