18-54438-1 — DUCT ASSEMBLY,AIR CONDITIONING-H

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

18-54438-1: DUCT ASSEMBLY,AIR CONDITIONING-H.

DUCT ASSEMBLY,AIR CONDITIONING-H. Key specifications include material: STEEL COMP 321, overall_length: 1.400 INCHES NOMINAL IN, special_features: 2.000 IN. OD; CONSIST OF P/N 18-54438-3,TUBE; P/N 24538-200,FLANGE IN, material_thickness: 0.028 INCHES NOMINAL IN, end_item_identification: F-5F AIRCRAFT, aircraft_mission_design_series: F-5F.

This part is cataloged in the U.S. Government catalog under NSN 1660-01-040-6983, 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

18-54438-1

NSN: 1660-01-040-6983
FSC: 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
CAGE: 76823 — NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN IS DIV NORTHROP GRUMMAN AERONAUTICS SYSTEMS (USA)

SPECIFICATIONS

material	STEEL COMP 321
overall_length	1.400 INCHES NOMINAL IN
special_features	2.000 IN. OD; CONSIST OF P/N 18-54438-3,TUBE; P/N 24538-200,FLANGE IN
material_thickness	0.028 INCHES NOMINAL IN
end_item_identification	F-5F AIRCRAFT
aircraft_mission_design_series	F-5F
NSN	1660-01-040-6983

COMPONENT DIAGRAM

KEY FEATURES

•

MATERIAL THICKNESS: 0.028 INCHES NOMINAL IN

•

MATERIAL: STEEL COMP 321

•

AIRCRAFT MISSION DESIGN SERIES: F-5F

TECHNICAL CHARACTERISTICS

OVERALL LENGTH	1.400 INCHES NOMINAL IN
MATERIAL THICKNESS	0.028 INCHES NOMINAL IN
SPECIAL FEATURES	2.000 IN. OD; CONSIST OF P/N 18-54438-3,TUBE; P/N 24538-200,FLANGE IN
END ITEM IDENTIFICATION	F-5F AIRCRAFT
MATERIAL	STEEL COMP 321
AIRCRAFT MISSION DESIGN SERIES	F-5F

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.

1660-00-001-1693 1660-00-001-1754 1660-00-001-2491 1660-00-001-2493 1660-00-001-2496 1660-00-001-2497 1660-00-001-4130 1660-00-001-4479

SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedDemilitarization required — critical (Q)

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FREQUENTLY ASKED QUESTIONS

What is 18-54438-1?

18-54438-1 is a DUCT ASSEMBLY,AIR CONDITIONING-H.

What is the NSN for 18-54438-1?

18-54438-1 is cataloged in the U.S. Government catalog under NSN 1660-01-040-6983. This indicates validated use in U.S. government and defense supply chains.

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18-54438-1 — DUCT ASSEMBLY,AIR CONDITIONING-H

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