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20366Q41SS ✓ 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

VALVE,RELIEF,PRESSURE AND TEMPER. Key specifications include body_style: ANGLE GIVE "ADQM" AND "ADQN" ONLY IF FLANGED ONE OR TWO ENDS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-371-5324, 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
20366Q41SS
NSN: 4820-01-371-5324
FSC: 4820
CAGE: 01343 — ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY (USA)
SPECIFICATIONS
body_styleANGLE GIVE "ADQM" AND "ADQN" ONLY IF FLANGED ONE OR TWO ENDS
NSN4820-01-371-5324
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 20366Q41SS · 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
•
BODY STYLE: ANGLE GIVE "ADQM" AND "ADQN" ONLY IF FLANGED ONE OR TWO ENDS
TECHNICAL CHARACTERISTICS (FLIS)
BODY STYLEANGLE GIVE "ADQM" AND "ADQN" ONLY IF FLANGED ONE OR TWO ENDS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
99126965Interchangeable
interchangeable cross-reference
interchangeable
19113Interchangeable
interchangeable cross-reference
interchangeable
26965Interchangeable
interchangeable cross-reference
interchangeable
359B113Interchangeable
interchangeable cross-reference
interchangeable
20366Interchangeable
interchangeable cross-reference
interchangeable
92-1-29-52Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 20366Q41SS?
20366Q41SS is a VALVE,RELIEF,PRESSURE AND TEMPER.
What parts can replace 20366Q41SS?
There are 11 known substitutes for 20366Q41SS: 99126965, 19113, 26965 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 20366Q41SS?
20366Q41SS is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-371-5324. 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