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N4778094 ✓ 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: 4.100 INCHES NOMINAL IN, special_features: FABRIC REINFORCED, style_designator: FLAT, material_thickness: 0.025 INCHES NOMINAL IN, center_hole_diameter: 0.535 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 4820-00-956-8042, 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
N4778094
NSN: 4820-00-956-8042
FSC: 4820
CAGE: 35795 — LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC
outside_diameter4.100 INCHES NOMINAL IN
special_featuresFABRIC REINFORCED
style_designatorFLAT
material_thickness0.025 INCHES NOMINAL IN
center_hole_diameter0.535 INCHES NOMINAL IN
NSN4820-00-956-8042
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: N4778094 · 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: 4.100 INCHES NOMINAL IN
•
STYLE DESIGNATOR: FLAT
•
MATERIAL: RUBBER SYNTHETIC
•
MATERIAL THICKNESS: 0.025 INCHES NOMINAL IN
•
CENTER HOLE DIAMETER: 0.535 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
OUTSIDE DIAMETER4.100 INCHES NOMINAL IN
STYLE DESIGNATORFLAT
MATERIALRUBBER SYNTHETIC
SPECIAL FEATURESFABRIC REINFORCED
MATERIAL THICKNESS0.025 INCHES NOMINAL IN
CENTER HOLE DIAMETER0.535 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
B86Interchangeable
interchangeable cross-reference
interchangeable
5895-381PC38Interchangeable
interchangeable cross-reference
interchangeable
5585734 PIECE 7Interchangeable
interchangeable cross-reference
interchangeable
G268594-1Interchangeable
interchangeable cross-reference
interchangeable
4778-0Interchangeable
interchangeable cross-reference
interchangeable
4778094Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is N4778094?
N4778094 is a DIAPHRAGM,VALVE,FLAT.
What parts can replace N4778094?
There are 6 known substitutes for N4778094: B86, 5895-381PC38, 5585734 PIECE 7 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for N4778094?
N4778094 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-956-8042. 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