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KS549 ✓ 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 TRANSFORMER,AUDIO FREQUENCY is a the manufacturer industrial component. Key specifications include body_width: 1.625 INCHES NOMINAL IN, body_height: 1.625 INCHES NOMINAL IN, body_length: 2.375 INCHES NOMINAL IN, core_diameter: 0.125 INCHES NOMINAL IN, core_material: STEEL, inclosure_type: HERMETICALLY SEALED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-350-0246, 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
KS549
NSN: 4820-01-350-0246
FSC: 4820
CAGE: 61208 — TWIN DISC, INCORPORATED DBA TWIN DISC MID-ATLANTIC (USA)
SPECIFICATIONS
body_width1.625 INCHES NOMINAL IN
body_height1.625 INCHES NOMINAL IN
body_length2.375 INCHES NOMINAL IN
core_diameter0.125 INCHES NOMINAL IN
core_materialSTEEL
inclosure_typeHERMETICALLY SEALED
mounting_methodTHREADED STUD(S) SINGLE GROUP
travel_distance8.500 INCHES NOMINAL IN
effective_length103.125 INCHES NOMINAL IN
frequency_rating1.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
core_constructionWIRE ROPE
nominal_thread_size0.138 INCHES SINGLE GROUP IN
NSN4820-01-350-0246
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: KS549 · 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 5
92131Interchangeable
interchangeable cross-reference
interchangeable
38449Interchangeable
interchangeable cross-reference
interchangeable
3790280Interchangeable
interchangeable cross-reference
interchangeable
XA7371Interchangeable
Same NIIN cross-reference
interchangeable
XA7371MInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is KS549?
KS549 is a TRANSFORMER,AUDIO FREQUENCY.
What parts can replace KS549?
There are 5 known substitutes for KS549: 92131, 38449, 3790280 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for KS549?
KS549 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-350-0246. 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