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PST235 ✓ 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 COUPLING HALF,QUICK DISCONNECT is a the manufacturer industrial component. Key specifications include special_features: BRASS; 1.625 IN. DIA; 1.250 IN.

BORE,2.188 IN. DEEP; 1.875 IN. OD FLANGE,0.250 IN.

THICKNESS OF FLANGE,2.438 IN. LG IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-374-7489, 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
PST235
NSN: 4820-00-374-7489
FSC: 4820
CAGE: 93236 — DRESSER-RAND CO WORTHINGTON COMPRESSOR OPN A JOINT VENTURE (USA)
SPECIFICATIONS
special_featuresBRASS; 1.625 IN. DIA; 1.250 IN. BORE,2.188 IN. DEEP; 1.875 IN. OD FLANGE,0.250 IN. THICKNESS OF FLANGE,2.438 IN. LG IN
NSN4820-00-374-7489
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: PST235 · 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
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURESBRASS; 1.625 IN. DIA; 1.250 IN. BORE,2.188 IN. DEEP; 1.875 IN. OD FLANGE,0.250 IN. THICKNESS OF FLANGE,2.438 IN. LG IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
F433Interchangeable
interchangeable cross-reference
interchangeable
897NInterchangeable
interchangeable cross-reference
interchangeable
HL-18122 PIECE 102Interchangeable
Same NIIN cross-reference
interchangeable
HL17376PC97Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is PST235?
PST235 is a COUPLING HALF,QUICK DISCONNECT.
What parts can replace PST235?
There are 4 known substitutes for PST235: F433, 897N, HL-18122 PIECE 102 and 1 more. Substitute compatibility should be verified for your specific system.
Is PST235 still available?
PST235 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