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Technical Data Sheet
PartsTable / COMPONENT / 3278989
3278989 ✓ 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 PARTS KIT,CHECK VALVE is a the manufacturer industrial component. Key specifications include phase: THREE INPUT, duty_cycle: CONTINUOUS, temp_rating: 50.0 AMBIENT CELSIUS, keyway_depth: 0.188 INCHES NOMINAL SINGLE END IN, keyway_width: 0.375 INCHES NOMINAL SINGLE END IN, power_rating: 15.000 HORSEPOWER OUTPUT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-416-6995, 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
3278989
NSN: 4820-00-416-6995
FSC: 4820
CAGE: 64829 — ARVINMERITOR INC (USA)
SPECIFICATIONS
phaseTHREE INPUT
duty_cycleCONTINUOUS
temp_rating50.0 AMBIENT CELSIUS
keyway_depth0.188 INCHES NOMINAL SINGLE END IN
keyway_width0.375 INCHES NOMINAL SINGLE END IN
power_rating15.000 HORSEPOWER OUTPUT
winding_typeINDUCTION-SQUIRREL CAGE
keyway_length3.750 INCHES NOMINAL SINGLE END IN
overall_width25.500 INCHES IN
overall_height18.250 INCHES IN
overall_length25.375 INCHES IN
mounting_methodFIXED BASE
NSN4820-00-416-6995
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 3278989 · 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
•
SUPPLY ITEMS AND QUANTITIES: SEAT ASSY 1,DISK 1,SPRING 1,RETAINER 1,NUT 1,COTTER PIN 1
•
COMPONENT QUANTITY: 6
TECHNICAL CHARACTERISTICS (FLIS)
SUPPLY ITEMS AND QUANTITIESSEAT ASSY 1,DISK 1,SPRING 1,RETAINER 1,NUT 1,COTTER PIN 1
COMPONENT QUANTITY6
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
M8590LInterchangeable
interchangeable cross-reference
interchangeable
R101-7-240Interchangeable
interchangeable cross-reference
interchangeable
27782Interchangeable
interchangeable cross-reference
interchangeable
27112Interchangeable
interchangeable cross-reference
interchangeable
20HRInterchangeable
interchangeable cross-reference
interchangeable
24VWInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3278989?
3278989 is a PARTS KIT,CHECK VALVE.
What parts can replace 3278989?
There are 12 known substitutes for 3278989: M8590L, R101-7-240, 27782 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 3278989?
3278989 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-416-6995. 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