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Technical Data Sheet
PartsTable / COMPONENT / 3/4-300
3/4-300 ✓ 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 3/4-300 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 4820-01-356-7692, 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
3/4-300
NSN: 4820-01-356-7692
FSC: 4820
CAGE: 28353 — ZURN INDUSTRIES INC WILKINS REGULATOR CO DIV (USA)
SPECIFICATIONS
Part Number3/4-300
NSN4820-01-356-7692
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 3/4-300 · 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
•
FILTER: NOT INCLUDED
•
SECOND END RELATIONSHIP WITH FIRST END: IDENTICAL
•
BODY STYLE: STRAIGHT THRU
•
FIRST END CONNECTION TYPE: UNTHREADED INTERNAL PIPE
•
FIRST END NOMINAL PIPE SIZE ACCOMMODATED: 0.750 INCHES IN
•
FIRST END STYLE DESIGNATOR: SOCKET W/BRAZING RING
•
FLOW CONTROL DEVICE: PISTON, SPRING LOADED
•
MEDIA FOR WHICH DESIGNED: WATER, SALT
TECHNICAL CHARACTERISTICS (FLIS)
FILTERNOT INCLUDED
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
BODY STYLESTRAIGHT THRU
FIRST END CONNECTION TYPEUNTHREADED INTERNAL PIPE
FIRST END NOMINAL PIPE SIZE ACCOMMODATED0.750 INCHES IN
FIRST END STYLE DESIGNATORSOCKET W/BRAZING RING
FLOW CONTROL DEVICEPISTON, SPRING LOADED
MEDIA FOR WHICH DESIGNEDWATER, SALT
MATERIALNICKEL ALLOY FLOW CONTROL DEVICE
REGULATION TYPEAUTOMATIC SINGLE STAGE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
34300Interchangeable
interchangeable cross-reference
interchangeable
P11157Interchangeable
interchangeable cross-reference
interchangeable
41928Interchangeable
interchangeable cross-reference
interchangeable
3006015Interchangeable
interchangeable cross-reference
interchangeable
CS-2300-0001Interchangeable
interchangeable cross-reference
interchangeable
10906728Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3/4-300?
3/4-300 is a 3/4-300.
What parts can replace 3/4-300?
There are 18 known substitutes for 3/4-300: 34300, P11157, 41928 and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 3/4-300?
3/4-300 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-356-7692. 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