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PartsTable / COMPONENT / 20338L41SS
20338L41SS ✓ 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,SAFETY RELIEF is a the manufacturer industrial component. Key specifications include material: STEEL BODY, connection_type: FLANGE ALL ENDS, operating_pressure: 80.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS, valve_operation_method: MANUAL, media_for_which_designed: LIQUID SINGLE RESPONSE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-184-4107, 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
20338L41SS
NSN: 4820-01-184-4107
FSC: 4820
CAGE: 01343 — ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY (USA)
SPECIFICATIONS
materialSTEEL BODY
connection_typeFLANGE ALL ENDS
operating_pressure80.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
valve_operation_methodMANUAL
media_for_which_designedLIQUID SINGLE RESPONSE
NSN4820-01-184-4107
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 20338L41SS · 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
•
VALVE OPERATION METHOD: AUTOMATIC
•
BOLT HOLE NOMINAL DIAMETER: 0.750 INCHES ALL ENDS IN
•
FACE TO FACE DISTANCE: 4.750 INCHES IN
•
BOLT CIRCLE NOMINAL DIAMETER: 4.750 INCHES ALL ENDS IN
•
BONNET TYPE: INSIDE SPRING
•
BOLT HOLE QUANTITY: 4 ALL ENDS
•
BONNET ATTACHMENT METHOD: BOLTED
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATIONSHIP,OHIO CLASS SSN(TRIDENT)
VALVE OPERATION METHODAUTOMATIC
BOLT HOLE NOMINAL DIAMETER0.750 INCHES ALL ENDS IN
FACE TO FACE DISTANCE4.750 INCHES IN
BOLT CIRCLE NOMINAL DIAMETER4.750 INCHES ALL ENDS IN
BONNET TYPEINSIDE SPRING
BOLT HOLE QUANTITY4 ALL ENDS
BONNET ATTACHMENT METHODBOLTED
ADJUSTABLE PRESSURE RANGE+76.0 TO 90.0 POUNDS PER SQUARE INCH LBS
NOMINAL THICKNESS0.750 INCHES ALL ENDS IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
0537Interchangeable
interchangeable cross-reference
interchangeable
AN503-416-18Interchangeable
interchangeable cross-reference
interchangeable
NASM7839Interchangeable
interchangeable cross-reference
interchangeable
20338Interchangeable
interchangeable cross-reference
interchangeable
325C135Interchangeable
interchangeable cross-reference
interchangeable
MIL-C-6855Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 20338L41SS?
20338L41SS is a VALVE,SAFETY RELIEF.
What parts can replace 20338L41SS?
There are 14 known substitutes for 20338L41SS: 0537, AN503-416-18, NASM7839 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 20338L41SS?
20338L41SS is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-184-4107. 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