NSN 1660-01-574-8972 · NIIN 015748972 · Part number AV264301-1
Birk Aerosystems Corp · FSC 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment · FSG 16 — Aircraft Components and Accessories · CAGE 1XE65
Government record, cited
NSN 1660-01-574-8972 — this item is cataloged by the U.S. Government under National Stock Number 1660-01-574-8972. Manufacturer of record part number: AV264301-1.
Also searched as1660-01-574-8972 ·
1660015748972 ·
NIIN 015748972 ·
01-574-8972 ·
FSC 1660 Aircraft Air Conditioning, Heating, and Pressurizing Equipment · CAGE 1XE65 · AV264301-1
FSC: 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
FSG: 16 — Aircraft Components and Accessories
Primary part number: AV264301-1
Manufacturer: Birk Aerosystems Corp
General Description
The Valve,oxygen Mask,aircraft, cataloged under National Stock Number 1660-01-574-8972, 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 Birk Aerosystems 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
1660-01-574-8972
Primary Part Number
AV264301-1
Item Name
Valve,oxygen Mask,aircraft
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 1660-01-574-8972?
NSN 1660-01-574-8972 is a Valve,oxygen Mask,aircraft, manufactured by Birk Aerosystems Corp, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
What part numbers are listed for NSN 1660-01-574-8972?
NSN 1660-01-574-8972 has 1 manufacturer part number on file: AV264301-1 (Birk Aerosystems Corp).
What are the specifications of AV264301-1?
Key specifications for AV264301-1: End Item Identification: CABIN VENTILATION SYSTEM, CESSNA AIRCRAFT; Material: PLASTIC. 1 specification is documented in the U.S. Government catalog.
Is NSN 1660-01-574-8972 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.
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.