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Technical Data Sheet
PartsTable / COMPONENT / 600-1-1/4
600-1-1/4 ✓ 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 600-1-1/4 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 4820-01-361-6053, 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
600-1-1/4
NSN: 4820-01-361-6053
FSC: 4820
CAGE: 79227 — WATTS REGULATOR COMPANY (USA)
SPECIFICATIONS
Part Number600-1-1/4
NSN4820-01-361-6053
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 600-1-1/4 · 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
•
MOUNTING POSITION: HORIZONTAL OR VERTICAL
•
CONNECTION STYLE: PLAIN, OPTIONAL END (PIPE) ALL ENDS
•
CONNECTION TYPE: THREADED INTERNAL PIPE ALL ENDS
•
MATERIAL: COPPER ALLOY BODY
•
VALVE OPERATION METHOD: AUTOMATIC
•
FLOW CONTROL DEVICE: DISK
•
MEDIA FOR WHICH DESIGNED: STEAM SECOND RESPONSE
TECHNICAL CHARACTERISTICS (FLIS)
MOUNTING POSITIONHORIZONTAL OR VERTICAL
CONNECTION STYLEPLAIN, OPTIONAL END (PIPE) ALL ENDS
CONNECTION TYPETHREADED INTERNAL PIPE ALL ENDS
MATERIALCOPPER ALLOY BODY
VALVE OPERATION METHODAUTOMATIC
FLOW CONTROL DEVICEDISK
MEDIA FOR WHICH DESIGNEDSTEAM SECOND RESPONSE
MEDIA FOR WHICH DESIGNEDWATER-OIL-GAS FIRST RESPONSE
THREAD SERIES DESIGNATORNPT ALL ENDS
OPERATING PRESSURE400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
6-4FH2BZ-BInterchangeable
interchangeable cross-reference
interchangeable
6BCM4Interchangeable
interchangeable cross-reference
interchangeable
S141Interchangeable
interchangeable cross-reference
interchangeable
6001-14Interchangeable
interchangeable cross-reference
interchangeable
MTV500DN15Interchangeable
interchangeable cross-reference
interchangeable
20-42519Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 600-1-1/4?
600-1-1/4 is a 600-1-1/4.
What parts can replace 600-1-1/4?
There are 10 known substitutes for 600-1-1/4: 6-4FH2BZ-B, 6BCM4, S141 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 600-1-1/4?
600-1-1/4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-361-6053. 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