NSN 1660-01-269-5000 · NIIN 012695000 · Part number 70500-02171-111
Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp · FSC 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment · FSG 16 — Aircraft Components and Accessories · CAGE 78286
Government record, cited
NSN 1660-01-269-5000 — this item is cataloged by the U.S. Government under National Stock Number 1660-01-269-5000. Manufacturer of record part number: 70500-02171-111.
Also searched as1660-01-269-5000 ·
1660012695000 ·
NIIN 012695000 ·
01-269-5000 ·
FSC 1660 Aircraft Air Conditioning, Heating, and Pressurizing Equipment · CAGE 78286 · 70500-02171-111
The Diffuser,air,aircraft Heating an, cataloged under National Stock Number 1660-01-269-5000, 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 Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp. 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
1660-01-269-5000
Primary Part Number
70500-02171-111
Item Name
Diffuser,air,aircraft Heating an
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 1660-01-269-5000?
NSN 1660-01-269-5000 is a Diffuser,air,aircraft Heating an, manufactured by Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
What part numbers are listed for NSN 1660-01-269-5000?
NSN 1660-01-269-5000 has 1 manufacturer part number on file: 70500-02171-111 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp).
What are the specifications of 70500-02171-111?
Key specifications for 70500-02171-111: General Characteristics Item Description: POLYIMIDE FOAM. 1 specification is documented in the U.S. Government catalog.
Is NSN 1660-01-269-5000 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 1660-01-269-5000?
NSN 1660-01-269-5000 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.