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PartsTable / COMPONENT / C-4261 PL-1962B-1/2IN
C-4261 PL-1962B-1/2IN ✓ 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 C-4261 PL-1962B-1/2IN 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 4820-01-205-7816, 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
C-4261 PL-1962B-1/2IN
NSN: 4820-01-205-7816
FSC: 4820
CAGE: 99565 — ADMIRAL VALVE LLC DBA CPV MANUFACTURING (USA)
SPECIFICATIONS
Part NumberC-4261 PL-1962B-1/2IN
NSN4820-01-205-7816
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: C-4261 PL-1962B-1/2IN · 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
•
THREAD SIZE AND SERIES/TYPE DESIGNATOR: 1 5/8-14 NS NS
•
OPERATING PRESSURE: 6000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
•
PORT DIAMETER: 0.500 INCHES NOMINAL IN
•
MAXIMUM OPERATING TEMP: 225.0 FAHRENHEIT DEGF
•
VALVE SIZE: 0.500 INCHES IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALCOPPER ALLOY
PART NAME ASSIGNED BY CONTROLLING AGENCYSHUT OFF VALVE
THREAD SIZE AND SERIES/TYPE DESIGNATOR1 5/8-14 NS NS
OPERATING PRESSURE6000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
PORT DIAMETER0.500 INCHES NOMINAL IN
MAXIMUM OPERATING TEMP225.0 FAHRENHEIT DEGF
VALVE SIZE0.500 INCHES IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
6KP36-1Interchangeable
interchangeable cross-reference
interchangeable
365-1Interchangeable
interchangeable cross-reference
interchangeable
810-1385870Interchangeable
interchangeable cross-reference
interchangeable
C426-1Interchangeable
interchangeable cross-reference
interchangeable
40124Interchangeable
interchangeable cross-reference
interchangeable
648198Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is C-4261 PL-1962B-1/2IN?
C-4261 PL-1962B-1/2IN is a C-4261 PL-1962B-1/2IN.
What parts can replace C-4261 PL-1962B-1/2IN?
There are 22 known substitutes for C-4261 PL-1962B-1/2IN: 6KP36-1, 365-1, 810-1385870 and 19 more. Substitute compatibility should be verified for your specific system.
What is the NSN for C-4261 PL-1962B-1/2IN?
C-4261 PL-1962B-1/2IN is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-205-7816. 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