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3W11334 — DIAPHRAGM,VALVE,FLAT

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

3W11334: DIAPHRAGM,VALVE,FLAT.

The DIAPHRAGM,VALVE,FLAT is a the manufacturer industrial component. Key specifications include material: RUBBER FABRIC REINFORCED, hole_diameter: 0.338 INCHES NOMINAL IN, special_features: HEXAGON SHAPE,ALL SIDES EQUAL LENGTH, material_thickness: 0.074 INCHES NOMINAL IN, bolt_circle_diameter: 4.250 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-302-0432, 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
3W11334
NSN: 4820-00-302-0432
FSC: 4820 — Valves, Nonpowered
CAGE: 8FGX3 — CURTISS-WRIGHT ELECTRO-MECHANICAL CORP DBA STEAM & AIR SOLUTIONS DIV CURTISS-WRIGHT STEAM AND AIR SOLUTIONS (USA)
SPECIFICATIONS
materialRUBBER FABRIC REINFORCED
hole_diameter0.338 INCHES NOMINAL IN
special_featuresHEXAGON SHAPE,ALL SIDES EQUAL LENGTH
bolt_hole_quantity6
material_thickness0.074 INCHES NOMINAL IN
bolt_circle_diameter4.250 INCHES NOMINAL IN
NSN4820-00-302-0432
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 3W11334 · 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 THICKNESS: 0.074 INCHES NOMINAL IN
•
BOLT HOLE QUANTITY: 6
•
BOLT CIRCLE DIAMETER: 4.250 INCHES NOMINAL IN
•
MATERIAL: RUBBER FABRIC REINFORCED
•
HOLE DIAMETER: 0.338 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
MATERIAL THICKNESS0.074 INCHES NOMINAL IN
BOLT HOLE QUANTITY6
BOLT CIRCLE DIAMETER4.250 INCHES NOMINAL IN
SPECIAL FEATURESHEXAGON SHAPE,ALL SIDES EQUAL LENGTH
MATERIALRUBBER FABRIC REINFORCED
HOLE DIAMETER0.338 INCHES NOMINAL IN
OTHER ITEMS IN FSC 4820 — Valves, Nonpowered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4820-00-000-0097 4820-00-001-0010 4820-00-001-0020 4820-00-001-0021 4820-00-001-0032 4820-00-001-0037 4820-00-001-0042 4820-00-001-1230
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3W11334?
3W11334 is a DIAPHRAGM,VALVE,FLAT.
What is the NSN for 3W11334?
3W11334 is cataloged in the U.S. Government catalog under NSN 4820-00-302-0432. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.