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Technical Data Sheet
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QT538 ✓ 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

STEM,RETARDING DEVICE,VALVE BRAK. Key specifications include end_item_identification: 22202620753;22202618048;22202878507;22202992866;22202620752;22208408616;22208402732. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-300-0413, 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
QT538
NSN: 4820-00-300-0413
FSC: 4820
CAGE: 62983 — EATON AEROSPACE, LLC DBA JACKSON SOUTH (USA)
SPECIFICATIONS
end_item_identification22202620753;22202618048;22202878507;22202992866;22202620752;22208408616;22208402732
NSN4820-00-300-0413
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: QT538 · 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
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATION22202620753;22202618048;22202878507;22202992866;22202620752;22208408616;22208402732
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
H4798Interchangeable
interchangeable cross-reference
interchangeable
4798Interchangeable
interchangeable cross-reference
interchangeable
28613Interchangeable
interchangeable cross-reference
interchangeable
28613-01Interchangeable
interchangeable cross-reference
interchangeable
200-819459-275Interchangeable
interchangeable cross-reference
interchangeable
W-015-AInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is QT538?
QT538 is a STEM,RETARDING DEVICE,VALVE BRAK.
What parts can replace QT538?
There are 9 known substitutes for QT538: H4798, 4798, 28613 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for QT538?
QT538 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-300-0413. 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