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Technical Data Sheet
PartsTable / COMPONENT / 233-3/4
233-3/4 ✓ 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 233-3/4 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-855-3923, 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
233-3/4
NSN: 4820-00-855-3923
FSC: 4820
CAGE: 37239 — LUNKENHEIMER CO (USA)
SPECIFICATIONS
Part Number233-3/4
NSN4820-00-855-3923
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 233-3/4 · 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
•
FLOW CONTROL DEVICE: DISK
•
VALVE OPERATION METHOD: AUTOMATIC
•
CONNECTION STYLE: PLAIN, OPTIONAL END (PIPE) ALL ENDS
•
MOUNTING POSITION: HORIZONTAL
•
CONNECTION TYPE: THREADED INTERNAL PIPE ALL ENDS
•
BONNET TYPE: PACKING RETAINING
•
THREAD DIRECTION: RIGHT-HAND ALL ENDS
•
NOMINAL THREAD SIZE: 0.750 INCHES ALL ENDS IN
TECHNICAL CHARACTERISTICS (FLIS)
FLOW CONTROL DEVICEDISK
VALVE OPERATION METHODAUTOMATIC
CONNECTION STYLEPLAIN, OPTIONAL END (PIPE) ALL ENDS
MOUNTING POSITIONHORIZONTAL
CONNECTION TYPETHREADED INTERNAL PIPE ALL ENDS
BONNET TYPEPACKING RETAINING
THREAD DIRECTIONRIGHT-HAND ALL ENDS
NOMINAL THREAD SIZE0.750 INCHES ALL ENDS IN
MEDIA FOR WHICH DESIGNEDSTEAM FIRST RESPONSE
STYLE DESIGNATORSTRAIGHT THRU
VERIFIED SUBSTITUTES & CROSS-REFERENCES 26
0903631Interchangeable
interchangeable cross-reference
interchangeable
Q1804Interchangeable
interchangeable cross-reference
interchangeable
213733Interchangeable
interchangeable cross-reference
interchangeable
117AInterchangeable
interchangeable cross-reference
interchangeable
177003-100Interchangeable
interchangeable cross-reference
interchangeable
L85NInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 233-3/4?
233-3/4 is a 233-3/4.
What parts can replace 233-3/4?
There are 26 known substitutes for 233-3/4: 0903631, Q1804, 213733 and 23 more. Substitute compatibility should be verified for your specific system.
Is 233-3/4 still available?
233-3/4 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026