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Technical Data Sheet
PartsTable / COMPONENT / 204-83519-1
204-83519-1 ✓ 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 VALVE,CHECK is a the manufacturer industrial component. Key specifications include flow_control_device: POPPET. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-020-1040, 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
204-83519-1
NSN: 4820-01-020-1040
FSC: 4820
CAGE: 81205 — THE BOEING COMPANY DIV DEFENSE (USA)
SPECIFICATIONS
flow_control_devicePOPPET
NSN4820-01-020-1040
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 204-83519-1 · 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
•
FLOW CONTROL DEVICE: POPPET
TECHNICAL CHARACTERISTICS (FLIS)
FLOW CONTROL DEVICEPOPPET
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
SP6858Interchangeable
interchangeable cross-reference
interchangeable
2N3772Interchangeable
interchangeable cross-reference
interchangeable
332/E6381Interchangeable
interchangeable cross-reference
interchangeable
38491Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 204-83519-1?
204-83519-1 is a VALVE,CHECK.
What parts can replace 204-83519-1?
There are 4 known substitutes for 204-83519-1: SP6858, 2N3772, 332/E6381 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 204-83519-1?
204-83519-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-020-1040. 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