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221964 — RADIATOR,ENGINE COOLANT

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

221964: RADIATOR,ENGINE COOLANT.

The RADIATOR,ENGINE COOLANT is a the manufacturer industrial component. Key specifications include core_width: 19.000 INCHES NOMINAL IN, tank_width: 2.250 INCHES NOMINAL FIRST TANK LOWER IN, core_height: 16.250 INCHES NOMINAL IN, tank_height: 19.812 INCHES NOMINAL 2D TANK UPPER IN, overall_width: 21.562 INCHES NOMINAL IN, tank_location: LOWER FIRST TANK LOWER. This part is cataloged in the U.S.

Government catalog under NSN 2930-00-223-6908, 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
221964
NSN: 2930-00-223-6908
NIINs: 002236908, 004268359
FSC: 2930 — Engine Cooling System Components, Nonaircraft
CAGE: 38761 — LONG MFG LTD (CAN)
SPECIFICATIONS
core_width19.000 INCHES NOMINAL IN
tank_width2.250 INCHES NOMINAL FIRST TANK LOWER IN
core_height16.250 INCHES NOMINAL IN
tank_height19.812 INCHES NOMINAL 2D TANK UPPER IN
overall_width21.562 INCHES NOMINAL IN
tank_locationLOWER FIRST TANK LOWER
tank_quantity1 2D TANK UPPER
core_thickness3.000 INCHES NOMINAL IN
overall_height22.000 INCHES NOMINAL IN
NSN2930-00-223-6908
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RADIATOR,ENGINE COOLANT TITLE COMPONENT PN 221964 MFR RADIATOR,ENGINE COOLAN
KEY FEATURES
•
TANK HEIGHT: 19.812 INCHES NOMINAL 2D TANK UPPER IN
•
CORE WIDTH: 19.000 INCHES NOMINAL IN
•
CORE HEIGHT: 16.250 INCHES NOMINAL IN
•
TANK QUANTITY: 1 FIRST TANK LOWER
TECHNICAL CHARACTERISTICS
TANK HEIGHT19.812 INCHES NOMINAL 2D TANK UPPER IN
TANK HEIGHT19.812 INCHES NOMINAL FIRST TANK LOWER IN
OVERALL HEIGHT22.000 INCHES NOMINAL IN
CORE WIDTH19.000 INCHES NOMINAL IN
CORE HEIGHT16.250 INCHES NOMINAL IN
TANK QUANTITY1 FIRST TANK LOWER
TANK QUANTITY1 2D TANK UPPER
OVERALL WIDTH21.562 INCHES NOMINAL IN
TANK WIDTH2.250 INCHES NOMINAL 2D TANK UPPER IN
TANK WIDTH2.250 INCHES NOMINAL FIRST TANK LOWER IN
SUBSTITUTES & CROSS-REFERENCES 2
Z4857Reference document
Same NSN cross-reference
Reference document — Secondary reference
RD1964Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 221964?
221964 is a RADIATOR,ENGINE COOLANT.
What parts can replace 221964?
There are 2 known substitutes for 221964: Z4857, RD1964. Substitute compatibility should be verified for your specific system.
What is the NSN for 221964?
221964 is cataloged in the U.S. Government catalog under NSN 2930-00-223-6908. 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.