6661G4 — HEAT EXCHANGER,AIR TO AIR,AIRCRA

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

6661G4: HEAT EXCHANGER,AIR TO AIR,AIRCRA.

HEAT EXCHANGER,AIR TO AIR,AIRCRA. Key specifications include overall_depth: 6.900 INCHES NOMINAL IN, overall_width: 5.750 INCHES NOMINAL IN, overall_height: 9.090 INCHES NOMINAL IN, end_item_identification: C-17 AIRCRAFT; U/O NSN 4310-01-459-4689, part_name_assigned_by_controlling_agency: HEAT EXCHANGER, THIRD & FOURTH STAGE, reference_number_differentiating_characteristics: AS DIFFERENTIATED BY SOURCE CONTROL DRAWING. This part is cataloged in the U.S.

Government catalog under NSN 1660-01-541-4061, 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

6661G4

NSN: 1660-01-541-4061
FSC: 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
CAGE: 11245 — BOYD CORPORATION (WOBURN) INC (USA)

SPECIFICATIONS

overall_depth	6.900 INCHES NOMINAL IN
overall_width	5.750 INCHES NOMINAL IN
overall_height	9.090 INCHES NOMINAL IN
end_item_identification	C-17 AIRCRAFT; U/O NSN 4310-01-459-4689
part_name_assigned_by_controlling_agency	HEAT EXCHANGER, THIRD & FOURTH STAGE
reference_number_differentiating_characteristics	AS DIFFERENTIATED BY SOURCE CONTROL DRAWING
NSN	1660-01-541-4061

COMPONENT DIAGRAM

KEY FEATURES

•

REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: AS DIFFERENTIATED BY SOURCE CONTROL DRAWING

TECHNICAL CHARACTERISTICS

OVERALL HEIGHT	9.090 INCHES NOMINAL IN
OVERALL WIDTH	5.750 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCY	HEAT EXCHANGER, THIRD & FOURTH STAGE
END ITEM IDENTIFICATION	C-17 AIRCRAFT; U/O NSN 4310-01-459-4689
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS	AS DIFFERENTIATED BY SOURCE CONTROL DRAWING
OVERALL DEPTH	6.900 INCHES NOMINAL IN

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

4900207Same 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 6661G4?

6661G4 is a HEAT EXCHANGER,AIR TO AIR,AIRCRA.

What parts can replace 6661G4?

There is 1 known substitute for 6661G4: 4900207. Substitute compatibility should be verified for your specific system.

What is the NSN for 6661G4?

6661G4 is cataloged in the U.S. Government catalog under NSN 1660-01-541-4061. This indicates validated use in U.S. government and defense supply chains.

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6661G4 — HEAT EXCHANGER,AIR TO AIR,AIRCRA

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