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Technical Data Sheet
PartsTable / COMPONENT / 636B-3-1/4-1
636B-3-1/4-1 ✓ 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 636B-3-1/4-1 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 4820-00-498-7296, 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
636B-3-1/4-1
NSN: 4820-00-498-7296
FSC: 4820
CAGE: 09990 — PARKER-HANNIFIN CORPORATION DBA PNEUTRONICS DIV HYDRAULIC VALVE DIVISION (USA)
SPECIFICATIONS
Part Number636B-3-1/4-1
NSN4820-00-498-7296
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 636B-3-1/4-1 · 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
•
OPERATING PRESSURE: 3600.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
•
NOMINAL THREAD SIZE: 0.250 INCHES FIRST END IN
•
THREAD DIRECTION: RIGHT-HAND SECOND END
•
STYLE DESIGNATOR: ANGLE
•
CONNECTION STYLE: PLAIN,OPTIONAL END(PIPE) FIRST END
•
FLOW CONTROL DEVICE: POPPET
•
THREAD SERIES DESIGNATOR: NPT FIRST END
TECHNICAL CHARACTERISTICS (FLIS)
OPERATING PRESSURE3600.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
NOMINAL THREAD SIZE0.250 INCHES FIRST END IN
THREAD DIRECTIONRIGHT-HAND SECOND END
STYLE DESIGNATORANGLE
CONNECTION STYLEPLAIN,OPTIONAL END(PIPE) FIRST END
FLOW CONTROL DEVICEPOPPET
THREAD DIRECTIONRIGHT-HAND FIRST END
THREAD SERIES DESIGNATORNPT FIRST END
ADJUSTABLE PRESSURE RANGE+40.0 TO 125.0 POUNDS PER SQUARE INCH LBS
DISK LOADING METHODSPRING
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
636B-3-1/4-1Interchangeable
interchangeable cross-reference
interchangeable
00201-0103-01Interchangeable
interchangeable cross-reference
interchangeable
636B3 1-4 1-60PSIInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 636B-3-1/4-1?
636B-3-1/4-1 is a 636B-3-1/4-1.
What parts can replace 636B-3-1/4-1?
There are 3 known substitutes for 636B-3-1/4-1: 636B-3-1/4-1, 00201-0103-01, 636B3 1-4 1-60PSI. Substitute compatibility should be verified for your specific system.
What is the NSN for 636B-3-1/4-1?
636B-3-1/4-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-498-7296. 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