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PartsTable / COMPONENT / GV19-644-55AJ
GV19-644-55AJ ✓ 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 DISK,VALVE is a the manufacturer industrial component. Key specifications include material: RUBBER, overall_height: 0.250 INCHES NOMINAL IN, inside_diameter: 0.860 INCHES NOMINAL IN, outside_diameter: 1.500 INCHES NOMINAL IN, style_designator: PLAIN, end_item_identification: VALVE MODEL AV182-430-1. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-586-0750, 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
GV19-644-55AJ
NSN: 4820-00-586-0750
FSC: 4820
CAGE: 04845 — AUTOMATIC SWITCH COMPANY DBA ASCO (USA)
SPECIFICATIONS
materialRUBBER
overall_height0.250 INCHES NOMINAL IN
inside_diameter0.860 INCHES NOMINAL IN
outside_diameter1.500 INCHES NOMINAL IN
style_designatorPLAIN
end_item_identificationVALVE MODEL AV182-430-1
NSN4820-00-586-0750
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: GV19-644-55AJ · 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
•
STYLE DESIGNATOR: PLAIN
•
INSIDE DIAMETER: 0.860 INCHES NOMINAL IN
•
MATERIAL: RUBBER
•
OUTSIDE DIAMETER: 1.500 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATIONVALVE MODEL AV182-430-1
STYLE DESIGNATORPLAIN
INSIDE DIAMETER0.860 INCHES NOMINAL IN
OVERALL HEIGHT0.250 INCHES NOMINAL IN
MATERIALRUBBER
OUTSIDE DIAMETER1.500 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
32674Interchangeable
interchangeable cross-reference
interchangeable
19549N PIECE 29Interchangeable
interchangeable cross-reference
interchangeable
CS-4820-SV-0750Interchangeable
Same NIIN cross-reference
interchangeable
CS-4820-SV-0733Interchangeable
Same NIIN cross-reference
interchangeable
AV182-430PC69Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is GV19-644-55AJ?
GV19-644-55AJ is a DISK,VALVE.
What parts can replace GV19-644-55AJ?
There are 5 known substitutes for GV19-644-55AJ: 32674, 19549N PIECE 29, CS-4820-SV-0750 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for GV19-644-55AJ?
GV19-644-55AJ is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-586-0750. 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