185A503-1 — CORE ASSEMBLY,HEAT EXCHANGER,AIR

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

185A503-1: CORE ASSEMBLY,HEAT EXCHANGER,AIR.

CORE ASSEMBLY,HEAT EXCHANGER,AIR. Key specifications include material: ALUMINUM ALLOY, overall_width: 17.630 INCHES NOMINAL IN, overall_length: 17.710 INCHES NOMINAL IN, special_features: FINISH: QQ-A-250/11 OR QQ-A-225/8; TREATMENT: CHEM FILM IAW MIL-C-5541 CL 3; 12 FINS PER INCH, 0.008 IN. THICK IN, end_item_identification: PACER SPECIAL, part_name_assigned_by_controlling_agency: HEAT EXCHANGER,BOTTOM.

This part is cataloged in the U.S. Government catalog under NSN 1660-01-437-6932, 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

185A503-1

NSN: 1660-01-437-6932
FSC: 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
CAGE: 03640 — LOCKHEED MARTIN CORPORATION DIV ROTARY AND MISSION SYSTEMS (USA)

SPECIFICATIONS

material	ALUMINUM ALLOY
overall_width	17.630 INCHES NOMINAL IN
overall_length	17.710 INCHES NOMINAL IN
special_features	FINISH: QQ-A-250/11 OR QQ-A-225/8; TREATMENT: CHEM FILM IAW MIL-C-5541 CL 3; 12 FINS PER INCH, 0.008 IN. THICK IN
end_item_identification	PACER SPECIAL
part_name_assigned_by_controlling_agency	HEAT EXCHANGER,BOTTOM
NSN	1660-01-437-6932

COMPONENT DIAGRAM

KEY FEATURES

•

MATERIAL: ALUMINUM ALLOY

TECHNICAL CHARACTERISTICS

OVERALL LENGTH	17.710 INCHES NOMINAL IN
OVERALL WIDTH	17.630 INCHES NOMINAL IN
SPECIAL FEATURES	FINISH: QQ-A-250/11 OR QQ-A-225/8; TREATMENT: CHEM FILM IAW MIL-C-5541 CL 3; 12 FINS PER INCH, 0.008 IN. THICK IN
PART NAME ASSIGNED BY CONTROLLING AGENCY	HEAT EXCHANGER,BOTTOM
END ITEM IDENTIFICATION	PACER SPECIAL
MATERIAL	ALUMINUM ALLOY

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

No substitute or cross-reference records for this part.

LIFECYCLE

NSN statusActive· U.S. Government catalog

Demilitarization required — critical (P)

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FREQUENTLY ASKED QUESTIONS

What is 185A503-1?

185A503-1 is a CORE ASSEMBLY,HEAT EXCHANGER,AIR.

What is the NSN for 185A503-1?

185A503-1 is cataloged in the U.S. Government catalog under NSN 1660-01-437-6932. This indicates validated use in U.S. government and defense supply chains.

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185A503-1 — CORE ASSEMBLY,HEAT EXCHANGER,AIR

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