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Technical Data Sheet
PartsTable / COMPONENT / 19549N
19549N ✓ 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,BEARING REPLACEMENT,ME. Key specifications include filter: NOT INCLUDED, material: COBALT ALLOY FLOW CONTROL DEVICE, body_style: STRAIGHT THRU, temp_rating: 775.0 FAHRENHEIT NOMINAL DEGF, regulation_type: MANUAL SINGLE STAGE, valve_stem_design: SINGLE SEAT. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-016-0222, 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
19549N
NSN: 4820-00-016-0222
FSC: 4820
CAGE: 35795 — LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC (USA)
SPECIFICATIONS
filterNOT INCLUDED
materialCOBALT ALLOY FLOW CONTROL DEVICE
body_styleSTRAIGHT THRU
temp_rating775.0 FAHRENHEIT NOMINAL DEGF
regulation_typeMANUAL SINGLE STAGE
valve_stem_designSINGLE SEAT
valve_loading_methodSPRING
face_to_face_distance14.500 INCHES NOMINAL IN
outlet_pressure_range100.0 TO 600.0 CAMERA MOUNT
end_connection_quantity2
media_for_which_designedSTEAM
renewable_seat_ring_typePRESSED-IN
NSN4820-00-016-0222
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 19549N · 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
•
SEATING SURFACE SHAPE: FLAT
•
STYLE DESIGNATOR: PLAIN FLANGED
•
MATERIAL: STEEL OVERALL
•
UNDER FLANGE HEIGHT: 0.563 INCHES NOMINAL IN
•
BODY OUTSIDE DIAMETER: 2.500 INCHES NOMINAL IN
•
BODY INSIDE DIAMETER: 1.750 INCHES NOMINAL IN
•
FLANGE SEAT TO DISK END HEIGHT: 0.500 INCHES NOMINAL IN
•
FLANGE DIAMETER: 2.812 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
SEATING SURFACE SHAPEFLAT
STYLE DESIGNATORPLAIN FLANGED
MATERIALSTEEL OVERALL
UNDER FLANGE HEIGHT0.563 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER2.500 INCHES NOMINAL IN
BODY INSIDE DIAMETER1.750 INCHES NOMINAL IN
FLANGE SEAT TO DISK END HEIGHT0.500 INCHES NOMINAL IN
FLANGE DIAMETER2.812 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 25
CS-4820-SV-0750Interchangeable
interchangeable cross-reference
interchangeable
GV19-644-55AJInterchangeable
interchangeable cross-reference
interchangeable
CS-4820-SV-0733Interchangeable
interchangeable cross-reference
interchangeable
12914NInterchangeable
interchangeable cross-reference
interchangeable
HNS-5 19549NInterchangeable
interchangeable cross-reference
interchangeable
32673Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 19549N?
19549N is a PARTS KIT,BEARING REPLACEMENT,ME.
What parts can replace 19549N?
There are 25 known substitutes for 19549N: CS-4820-SV-0750, GV19-644-55AJ, CS-4820-SV-0733 and 22 more. Substitute compatibility should be verified for your specific system.
Is 19549N still available?
19549N 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