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123SCEC5111-3 — HEAT EXCHANGER,AIR TO WATER,AIRC

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

123SCEC5111-3: HEAT EXCHANGER,AIR TO WATER,AIRC.

HEAT EXCHANGER,AIR TO WATER,AIRC. Key specifications include overall_diameter: 19.820 INCHES NOMINAL IN, end_item_identification: ACFT MODEL E-2C. This part is cataloged in the U.S.

Government catalog under NSN 1660-01-342-1552, 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
123SCEC5111-3
NSN: 1660-01-342-1552
FSC: 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
CAGE: 79RG9 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
overall_diameter19.820 INCHES NOMINAL IN
end_item_identificationACFT MODEL E-2C
NSN1660-01-342-1552
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available HEAT EXCHANGER,AIR TO WATER,AIRC TITLE COMPONENT PN 123SCEC5111-3 MFR HEAT EXCHANGER,AIR TO
KEY FEATURES
•
OVERALL DIAMETER: 19.820 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OVERALL DIAMETER19.820 INCHES NOMINAL IN
END ITEM IDENTIFICATIONACFT MODEL E-2C
OTHER ITEMS IN FSC 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
1660-00-006-4472 1660-00-009-5646 1660-00-019-8389 1660-00-019-8399 1660-00-031-5285 1660-00-302-4390 1660-00-441-0575 1660-01-601-0729
SUBSTITUTES & CROSS-REFERENCES 1
187150-3-1Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Demilitarization required — mutilation
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FREQUENTLY ASKED QUESTIONS
What is 123SCEC5111-3?
123SCEC5111-3 is a HEAT EXCHANGER,AIR TO WATER,AIRC.
What parts can replace 123SCEC5111-3?
There is 1 known substitute for 123SCEC5111-3: 187150-3-1. Substitute compatibility should be verified for your specific system.
What is the NSN for 123SCEC5111-3?
123SCEC5111-3 is cataloged in the U.S. Government catalog under NSN 1660-01-342-1552. 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.