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40611-8 ✓ Verified by PartsTable
Ricoh · 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 RESTRICTOR,FLUID FLOW is a Ricoh industrial component. Key specifications include material: COPPER ALLOY 922 SEAT, hole_diameter: 0.5625 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, outside_diameter: 6.750 INCHES NOMINAL IN, special_features: SEAT, RING, style_designator: PLAIN FLANGED, aperture_diameter: 3.312 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 4820-01-515-7140, 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
40611-8
NSN: 4820-01-515-7140
FSC: 4820
CAGE: 55378 — TRAC REGULATOR CO., INC. DBA TRAC REGULATOR CO INC (USA)
SPECIFICATIONS
materialCOPPER ALLOY 922 SEAT
hole_diameter0.5625 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
outside_diameter6.750 INCHES NOMINAL IN
special_featuresSEAT, RING
style_designatorPLAIN FLANGED
aperture_diameter3.312 INCHES NOMINAL IN
surface_treatmentNICKEL
bolt_hole_quantity6
flow_control_deviceDISK
bolt_circle_diameter5.6875 INCHES NOMINAL IN
seating_surface_shapeO-RING
end_item_identificationMK92MOD5
NSN4820-01-515-7140
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 40611-8 · Ricoh ⚠ 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: PLASTIC ACETAL
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURESDISC MAIN VALVE SEAT
MATERIALPLASTIC ACETAL
END ITEM IDENTIFICATIONE/I VALVE TEMPERATURE REGULATOR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
240165Interchangeable
interchangeable cross-reference
interchangeable
168301Interchangeable
interchangeable cross-reference
interchangeable
C5011Interchangeable
interchangeable cross-reference
interchangeable
168101Interchangeable
interchangeable cross-reference
interchangeable
0N270726Interchangeable
interchangeable cross-reference
interchangeable
510107105Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 40611-8?
40611-8 is a RESTRICTOR,FLUID FLOW manufactured by Ricoh.
What parts can replace 40611-8?
There are 20 known substitutes for 40611-8: 240165, 168301, C5011 and 17 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 40611-8?
40611-8 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-515-7140. 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