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MRVC-5185 — VALVE,DAMPER

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

MRVC-5185: VALVE,DAMPER.

The VALVE,DAMPER is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY, overall_length: 1.250 INCHES NOMINAL IN, thread_location: EXTERNAL AND INTERNAL, tube_connection_type: FLARELESS, end_item_identification: 34" DIAMETER MRVC - 5185 MARINE DAMPER, gage_end_connection_type: FEMALE. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-161-0807, 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
MRVC-5185
NSN: 4820-01-161-0807
NIINs: 011610807, 015198395
FSC: 4820 — Valves, Nonpowered
CAGE: 52249 — MESTEK, INC. DBA AMERICAN WARMING & VENTILATING DIVISION DIV AMERICAN WARMING AND VENTILATING (USA)
SPECIFICATIONS
materialCOPPER ALLOY
overall_length1.250 INCHES NOMINAL IN
thread_locationEXTERNAL AND INTERNAL
special_featuresCONNECTION - 1/4" NPT; USE FOR LOW PRESSURE APPLICATION; FOR FLOW IN EITHER DIRECTION .015 ORIFICE DIAMETER, 2000 LBS. PER SQUARE INCH LBS
connection_quantity2
tube_connection_typeFLARELESS
end_item_identification34" DIAMETER MRVC - 5185 MARINE DAMPER
gage_end_connection_typeFEMALE
threaded_direct_pressure_connectionNOT PROVIDED
part_name_assigned_by_controlling_agencyLOW PRESSURE ORIFICE SNUBBER
NSN4820-01-161-0807
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: MRVC-5185 · 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
SUBSTITUTES & CROSS-REFERENCES 2
5185 18IPSReference document
Same NSN cross-reference
Reference document — Secondary reference
5185 18IPS/2327Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is MRVC-5185?
MRVC-5185 is a VALVE,DAMPER.
What parts can replace MRVC-5185?
There are 2 known substitutes for MRVC-5185: 5185 18IPS, 5185 18IPS/2327. Substitute compatibility should be verified for your specific system.
What is the NSN for MRVC-5185?
MRVC-5185 is cataloged in the U.S. Government catalog under NSN 4820-01-161-0807. 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.