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Technical Data Sheet
PartsTable / COMPONENT / AV4S48-0337
AV4S48-0337 ✓ 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

RESISTOR,VARIABLE,NONWIRE WOUND,. Key specifications include reference_number_differentiating_characteristics: SIZE 1/2 IN.,1/2 IN. NPT FEMALE THD CONNECTIONS INLET AND OUTLET,3/8 IN.

ORIFICE IN. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-595-0333, 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
AV4S48-0337
NSN: 4820-00-595-0333
FSC: 4820
CAGE: 80064 — NAVAL SHIP SYSTEMS COMMAND (USA)
SPECIFICATIONS
reference_number_differentiating_characteristicsSIZE 1/2 IN.,1/2 IN. NPT FEMALE THD CONNECTIONS INLET AND OUTLET,3/8 IN. ORIFICE IN
NSN4820-00-595-0333
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: AV4S48-0337 · 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
•
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: SIZE 1/2 IN.,1/2 IN. NPT FEMALE THD CONNECTIONS INLET AND OUTLET,3/8 IN. ORIFICE IN
TECHNICAL CHARACTERISTICS (FLIS)
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSSIZE 1/2 IN.,1/2 IN. NPT FEMALE THD CONNECTIONS INLET AND OUTLET,3/8 IN. ORIFICE IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
4P94516-103AInterchangeable
interchangeable cross-reference
interchangeable
6531Interchangeable
interchangeable cross-reference
interchangeable
6531-103Interchangeable
interchangeable cross-reference
interchangeable
7531Interchangeable
interchangeable cross-reference
interchangeable
792Interchangeable
interchangeable cross-reference
interchangeable
416-1825Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AV4S48-0337?
AV4S48-0337 is a RESISTOR,VARIABLE,NONWIRE WOUND,.
What parts can replace AV4S48-0337?
There are 17 known substitutes for AV4S48-0337: 4P94516-103A, 6531, 6531-103 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for AV4S48-0337?
AV4S48-0337 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-595-0333. 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