Heat Exchanger, Air to Air, Aircra1660-01-321-4538
NSN 1660-01-321-4538 · NIIN 013214538
FSC 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment · FSG 16 — Aircraft Components and Accessories
Government record, cited
Also searched as1660-01-321-4538 ·
1660013214538 ·
NIIN 013214538 ·
01-321-4538 ·
FSC 1660 Aircraft Air Conditioning, Heating, and Pressurizing Equipment · 10-C0051 · 8148650
Nearby stock numbers← 1660-01-320-9827 Duct Assembly, Air Conditioning-Heating, Aircraft
·
1660-01-321-5788 Duct Assembly, Air Conditioning-H →
Features
Heat Exchanger,air to Air,aircra — FSC 1660
Identification
NSN: 1660-01-321-4538
NIIN: 013214538
FSC: 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
FSG: 16 — Aircraft Components and Accessories
General Description
The Heat Exchanger,air to Air,aircra, cataloged under National Stock Number 1660-01-321-4538, is classified within Federal Supply Class 1660 (Aircraft Air Conditioning, Heating, and Pressurizing Equipment) of the Aircraft Components and Accessories group. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
1660-01-321-4538
Item Name
Heat Exchanger,air to Air,aircra
FSC / FSG
1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL Q — CCL Item — Commerce Control List
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
10-C0051
3/9Design control — primary reference
Kintex Inc
8148650
A/1Packaging identification reference
U.S. Government activity
No interchangeability data on file.
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
DUCT ASSEMBLY,AIR CONDITIONING-H
1660-00-001-1754
BAFFLE,AIR
1660-00-001-2491
CAGE,BYPASS VALVE
1660-00-001-2493
1660-00-001-2493 · Item name not on file
1660-00-001-2496
CONTROL BOX,ELECTRICAL-ELECTRONI
1660-00-001-2497
1660-00-001-2497 · Item name not on file
1660-00-001-4130
1660-00-001-4130 · Item name not on file
1660-00-001-4479
CONTROLLER,AIR PRESSURE,AIRCRAFT
Frequently Asked Questions
What is NSN 1660-01-321-4538?
NSN 1660-01-321-4538 is a Heat Exchanger,air to Air,aircra, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
What are the specifications of 1660-01-321-4538?
Key specifications for 1660-01-321-4538: Special Features: LIQUID OXYGEN; APPROX WEIGHT 0.55 LBS; 7.62 IN. W; 11.0 IN. LONG,MINUS END FITTINGS; BURST PRESSURE 15000 PSI; REFERENCE DATA AND LITERATURE:T.O. 1C-130H-4 LBS; End Item Identification: C-130 AIRCRAFT. 0 specifications are documented in the U.S. Government catalog.
Is NSN 1660-01-321-4538 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
What is the DEMIL code for NSN 1660-01-321-4538?
NSN 1660-01-321-4538 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.