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MK80-184980B — VALVE,REGULATING,TEMPERATURE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

MK80-184980B: VALVE,REGULATING,TEMPERATURE.

The VALVE,REGULATING,TEMPERATURE is a the manufacturer industrial component. Key specifications include material: STEEL BODY, body_style: STRAIGHT THRU, temp_rating: 120.0 FAHRENHEIT MINIMUM AND 185.0 FAHRENHEIT MAXIMUM DEGF, temp_adjustability: NOT ADJUSTABLE, flow_control_device: DISK, CIRCULAR, thermostatic_element: LIQUID IMMERSION TYPE. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-424-6187, 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
MK80-184980B
NSN: 4820-01-424-6187
FSC: 4820 — Valves, Nonpowered
CAGE: 21476 — RICHARDS INDUSTRIES VALVE GROUP JORDAN VALVE DIV (USA)
SPECIFICATIONS
materialSTEEL BODY
body_styleSTRAIGHT THRU
temp_rating120.0 FAHRENHEIT MINIMUM AND 185.0 FAHRENHEIT MAXIMUM DEGF
temp_adjustabilityNOT ADJUSTABLE
flow_control_deviceDISK, CIRCULAR
thermostatic_elementLIQUID IMMERSION TYPE
capillary_tube_length96.000 INCHES NOMINAL IN
face_to_face_distance7.250 INCHES NOMINAL IN
end_connection_quantity2
end_item_identificationSTRATEGIC SEALIFT CONVERSION SHIPS CLASS
first_end_connection_typeRAISED FACE FLANGE
first_end_style_designatorRAISED
NSN4820-01-424-6187
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: MK80-184980B · 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
•
FLOW CONTROL DEVICE: DISK, CIRCULAR
•
SECOND END RELATIONSHIP WITH FIRST END: IDENTICAL
•
BODY STYLE: STRAIGHT THRU
•
FACE TO FACE DISTANCE: 7.250 INCHES NOMINAL IN
•
FIRST END FLANGE OUTSIDE DIAMETER: 3.500 INCHES NOMINAL IN
•
FIRST END STYLE DESIGNATOR: RAISED
•
TEMP RATING: 120.0 FAHRENHEIT MINIMUM AND 185.0 FAHRENHEIT MAXIMUM DEGF
•
END CONNECTION QUANTITY: 2
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICEDISK, CIRCULAR
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
BODY STYLESTRAIGHT THRU
FACE TO FACE DISTANCE7.250 INCHES NOMINAL IN
FIRST END FLANGE OUTSIDE DIAMETER3.500 INCHES NOMINAL IN
FIRST END STYLE DESIGNATORRAISED
TEMP RATING120.0 FAHRENHEIT MINIMUM AND 185.0 FAHRENHEIT MAXIMUM DEGF
END CONNECTION QUANTITY2
CAPILLARY TUBE LENGTH96.000 INCHES NOMINAL IN
FIRST END CONNECTION TYPERAISED FACE FLANGE
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 1
MK80-184980B 1/2IN 120T185DEGSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 MK80-184980B?
MK80-184980B is a VALVE,REGULATING,TEMPERATURE.
What parts can replace MK80-184980B?
There is 1 known substitute for MK80-184980B: MK80-184980B 1/2IN 120T185DEG. Substitute compatibility should be verified for your specific system.
What is the NSN for MK80-184980B?
MK80-184980B is cataloged in the U.S. Government catalog under NSN 4820-01-424-6187. 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.