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PartsTable / COMPONENT / A3274194
A3274194 ✓ 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 DIAPHRAGM,VALVE,FLAT is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC, outside_diameter: 3.340 INCHES NOMINAL IN, special_features: FABRIC REINFORCED, style_designator: FLAT, material_thickness: 0.051 INCHES NOMINAL IN, center_hole_diameter: 0.725 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-980-4030, 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
A3274194
NSN: 4820-00-980-4030
FSC: 4820
CAGE: 35795 — LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC
outside_diameter3.340 INCHES NOMINAL IN
special_featuresFABRIC REINFORCED
style_designatorFLAT
material_thickness0.051 INCHES NOMINAL IN
center_hole_diameter0.725 INCHES NOMINAL IN
NSN4820-00-980-4030
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: A3274194 · 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
•
OUTSIDE DIAMETER: 3.340 INCHES NOMINAL IN
•
STYLE DESIGNATOR: FLAT
•
MATERIAL: RUBBER SYNTHETIC
•
MATERIAL THICKNESS: 0.051 INCHES NOMINAL IN
•
CENTER HOLE DIAMETER: 0.725 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
OUTSIDE DIAMETER3.340 INCHES NOMINAL IN
SPECIAL FEATURESFABRIC REINFORCED
STYLE DESIGNATORFLAT
MATERIALRUBBER SYNTHETIC
MATERIAL THICKNESS0.051 INCHES NOMINAL IN
CENTER HOLE DIAMETER0.725 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
SM-2Interchangeable
interchangeable cross-reference
interchangeable
SM-2BInterchangeable
interchangeable cross-reference
interchangeable
045-1023-20Interchangeable
interchangeable cross-reference
interchangeable
29257Interchangeable
interchangeable cross-reference
interchangeable
32741Interchangeable
interchangeable cross-reference
interchangeable
677-1378-00Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A3274194?
A3274194 is a DIAPHRAGM,VALVE,FLAT.
What parts can replace A3274194?
There are 9 known substitutes for A3274194: SM-2, SM-2B, 045-1023-20 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A3274194?
A3274194 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-980-4030. 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