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Technical Data Sheet
PartsTable / COMPONENT / 30/3.4.3
30/3.4.3 ✓ 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 30/3.4.3 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 4820-01-370-5444, 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
30/3.4.3
NSN: 4820-01-370-5444
FSC: 4820
CAGE: 35795 — LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC (USA)
SPECIFICATIONS
Part Number30/3.4.3
NSN4820-01-370-5444
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 30/3.4.3 · 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: STEEL BODY
•
END CONNECTION QUANTITY: 2
•
BODY STYLE: STRAIGHT THRU
•
MEDIA FOR WHICH DESIGNED: AIR AND GAS
•
SECOND END RELATIONSHIP WITH FIRST END: IDENTICAL
•
FIRST END STYLE DESIGNATOR: SOCKET
•
FIRST END CONNECTION TYPE: UNTHREADED INTERNAL PIPE
•
FIRST END NOMINAL PIPE SIZE ACCOMMODATED: 1.000 INCHES IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL BODY
END CONNECTION QUANTITY2
BODY STYLESTRAIGHT THRU
MEDIA FOR WHICH DESIGNEDAIR AND GAS
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
FIRST END STYLE DESIGNATORSOCKET
FIRST END CONNECTION TYPEUNTHREADED INTERNAL PIPE
FIRST END NOMINAL PIPE SIZE ACCOMMODATED1.000 INCHES IN
FLOW CONTROL DEVICEDIAPHRAGM
MATERIALSTEEL CORROSION RESISTING FLOW CONTROL DEVICE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
1436Interchangeable
interchangeable cross-reference
interchangeable
8667-1045Interchangeable
interchangeable cross-reference
interchangeable
MS25083-2AA5Interchangeable
interchangeable cross-reference
interchangeable
MIL-DTL-83413/8Interchangeable
interchangeable cross-reference
interchangeable
61BS3034-3Interchangeable
interchangeable cross-reference
interchangeable
3034-3Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 30/3.4.3?
30/3.4.3 is a 30/3.4.3.
What parts can replace 30/3.4.3?
There are 13 known substitutes for 30/3.4.3: 1436, 8667-1045, MS25083-2AA5 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 30/3.4.3?
30/3.4.3 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-370-5444. 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