Heat Exchanger, Air to Air, Aircra1660-01-272-0255
NSN 1660-01-272-0255 · NIIN 012720255 · Part number BL-11560-1
Breeze-Eastern Llc · FSC 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment · FSG 16 — Aircraft Components and Accessories · CAGE 08484
Government record, cited
NSN 1660-01-272-0255 — this item is cataloged by the U.S. Government under National Stock Number 1660-01-272-0255. Manufacturer of record part number: BL-11560-1.
Also searched as1660-01-272-0255 ·
1660012720255 ·
NIIN 012720255 ·
01-272-0255 ·
FSC 1660 Aircraft Air Conditioning, Heating, and Pressurizing Equipment · CAGE 08484 · BL-11560-1
Nearby stock numbers← 1660-01-271-9181 Duct Assembly, Air Conditioning-H
·
1660-01-272-5589 Duct Assembly, Air Conditioning-H →
Features
Heat Exchanger,air to Air,aircra — FSC 1660
Criticality Code Justification: FEAT
1 manufacturer part number on file
Manufacturer of record: Breeze-Eastern Llc
Identification
NSN: 1660-01-272-0255
NIIN: 012720255
FSC: 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
FSG: 16 — Aircraft Components and Accessories
Primary part number: BL-11560-1
Manufacturer: Breeze-Eastern Llc
General Description
The Heat Exchanger,air to Air,aircra, cataloged under National Stock Number 1660-01-272-0255, is classified within Federal Supply Class 1660 (Aircraft Air Conditioning, Heating, and Pressurizing Equipment) of the Aircraft Components and Accessories group. The manufacturer of record is Breeze-Eastern Llc. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
1660-01-272-0255
Primary Part Number
BL-11560-1
Item Name
Heat Exchanger,air to Air,aircra
FSC / FSG
1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
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 1660-01-272-0255?
NSN 1660-01-272-0255 is a Heat Exchanger,air to Air,aircra, manufactured by Breeze-Eastern Llc, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
What part numbers are listed for NSN 1660-01-272-0255?
NSN 1660-01-272-0255 has 1 manufacturer part number on file: BL-11560-1 (Breeze-Eastern Llc).
What are the specifications of BL-11560-1?
Key specifications for BL-11560-1: Criticality Code Justification: FEAT; Special Features: ESSENTIAL TO WEAPON SYSTEM PERFORMANCE OR OPERATION, OR THE PRESERVATION OF LIFE OR SAFETY OF OPERATING PERSONNEL; End Item Identification: HELICOPTER MODEL SH-60B. 1 specification is documented in the U.S. Government catalog.
Is NSN 1660-01-272-0255 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 1660-01-272-0255?
NSN 1660-01-272-0255 has DEMIL Code B. 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.