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PartsTable / COMPONENT / N09544
N09544 ✓ 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 SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, thread_class: 2A SINGLE THREADED PORTION A, thread_length: 0.375 INCHES NOMINAL SINGLE THREADED PORTION IN, flange_diameter: 1.875 INCHES NOMINAL IN, special_features: TWO EARS ON TOP OF FLANGE 180 DEG APART,0.313 IN. LG,0.156 IN.

W,0.188IN. H IN, style_designator: THREADED FLANGED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-036-1577, 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
N09544
NSN: 4820-00-036-1577
FSC: 4820
CAGE: 35795 — LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
thread_class2A SINGLE THREADED PORTION A
thread_length0.375 INCHES NOMINAL SINGLE THREADED PORTION IN
flange_diameter1.875 INCHES NOMINAL IN
special_featuresTWO EARS ON TOP OF FLANGE 180 DEG APART,0.313 IN. LG,0.156 IN. W,0.188IN. H IN
style_designatorTHREADED FLANGED
seat_angle_in_deg15.000 NOMINAL
nominal_thread_size1.625 INCHES SINGLE THREADED PORTION IN
under_flange_height0.438 INCHES NOMINAL IN
body_inside_diameter1.188 INCHES NOMINAL IN
seating_surface_shapeANGULAR
thread_quantity_per_inch16 SINGLE THREADED PORTION
NSN4820-00-036-1577
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: N09544 · 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
•
THREAD CLASS: 2A SINGLE THREADED PORTION A
•
THREAD QUANTITY PER INCH: 16 SINGLE THREADED PORTION
•
BODY INSIDE DIAMETER: 1.188 INCHES NOMINAL IN
•
UNDER FLANGE HEIGHT: 0.438 INCHES NOMINAL IN
•
FLANGE DIAMETER: 1.875 INCHES NOMINAL IN
•
SEATING SURFACE SHAPE: ANGULAR
•
FLANGE SEAT TO DISK END HEIGHT: 0.250 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
THREAD CLASS2A SINGLE THREADED PORTION A
THREAD QUANTITY PER INCH16 SINGLE THREADED PORTION
BODY INSIDE DIAMETER1.188 INCHES NOMINAL IN
UNDER FLANGE HEIGHT0.438 INCHES NOMINAL IN
FLANGE DIAMETER1.875 INCHES NOMINAL IN
SEATING SURFACE SHAPEANGULAR
FLANGE SEAT TO DISK END HEIGHT0.250 INCHES NOMINAL IN
SPECIAL FEATURESTWO EARS ON TOP OF FLANGE 180 DEG APART,0.313 IN. LG,0.156 IN. W,0.188IN. H IN
THREAD SERIES DESIGNATORUN SINGLE THREADED PORTION
STYLE DESIGNATORTHREADED FLANGED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
1212-9544Interchangeable
interchangeable cross-reference
interchangeable
9544Interchangeable
interchangeable cross-reference
interchangeable
09544Interchangeable
interchangeable cross-reference
interchangeable
1960928-1Interchangeable
interchangeable cross-reference
interchangeable
01165Interchangeable
interchangeable cross-reference
interchangeable
2311025Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is N09544?
N09544 is a SEAT,VALVE.
What parts can replace N09544?
There are 10 known substitutes for N09544: 1212-9544, 9544, 09544 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for N09544?
N09544 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-036-1577. 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