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Technical Data Sheet
PartsTable / COMPONENT / 12D-R/PL4603
12D-R/PL4603 ✓ 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 12D-R/PL4603 is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-506-1868, 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
12D-R/PL4603
NSN: 4820-01-506-1868
FSC: 4820
CAGE: 99565 — ADMIRAL VALVE LLC DBA CPV MANUFACTURING (USA)
SPECIFICATIONS
Part Number12D-R/PL4603
NSN4820-01-506-1868
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 12D-R/PL4603 · 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
•
MATERIAL: COPPER ALLOY BODY
•
STYLE DESIGNATOR: STRAIGHT THRU
•
NOMINAL PIPE SIZE ACCOMMODATED: 2.000 INCHES ALL ENDS IN
•
FLOW CONTROL DEVICE: DISK
•
VALVE OPERATION METHOD: AUTOMATIC
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALCOPPER ALLOY BODY
STYLE DESIGNATORSTRAIGHT THRU
MATERIALCOPPER ALLOY SEAT
NOMINAL PIPE SIZE ACCOMMODATED2.000 INCHES ALL ENDS IN
FLOW CONTROL DEVICEDISK
MATERIALCOPPER ALLOY STEM
VALVE OPERATION METHODAUTOMATIC
MATERIALCOPPER ALLOY FLOW CONTROL DEVICE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
A-9886Interchangeable
interchangeable cross-reference
interchangeable
A-9886 PL4242/PL4373Interchangeable
interchangeable cross-reference
interchangeable
12D-2-1/2Interchangeable
interchangeable cross-reference
interchangeable
098052ALInterchangeable
interchangeable cross-reference
interchangeable
A-9886 3IN PIECE 2Interchangeable
interchangeable cross-reference
interchangeable
A9886 3IN PIECE 5Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 12D-R/PL4603?
12D-R/PL4603 is a 12D-R/PL4603.
What parts can replace 12D-R/PL4603?
There are 22 known substitutes for 12D-R/PL4603: A-9886, A-9886 PL4242/PL4373, 12D-2-1/2 and 19 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 12D-R/PL4603?
12D-R/PL4603 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-506-1868. 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