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PartsTable / COMPONENT / 19549N PIECE 18
19549N PIECE 18 ✓ 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 CAP,VALVE is a the manufacturer industrial component. 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 product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-173-8447, 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 PIECE 18
NSN: 4820-01-173-8447
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
NSN4820-01-173-8447
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 19549N PIECE 18 · 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 9
32674Interchangeable
interchangeable cross-reference
interchangeable
19549N PIECE 29Interchangeable
interchangeable cross-reference
interchangeable
12914NInterchangeable
interchangeable cross-reference
interchangeable
HNS-5 19549NInterchangeable
interchangeable cross-reference
interchangeable
19549N PIECE 44Interchangeable
interchangeable cross-reference
interchangeable
19549NInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 19549N PIECE 18?
19549N PIECE 18 is a CAP,VALVE.
What parts can replace 19549N PIECE 18?
There are 9 known substitutes for 19549N PIECE 18: 32674, 19549N PIECE 29, 12914N and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 19549N PIECE 18?
19549N PIECE 18 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-173-8447. 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