NSN 1660-00-920-4403 · NIIN 009204403 · Part number 1433-613544
Ontic Engineering & Manufacturing, Inc Dba Ontic Us · FSC 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment · FSG 16 — Aircraft Components and Accessories · CAGE 45934
Government record, cited
NSN 1660-00-920-4403 — this item is cataloged by the U.S. Government under National Stock Number 1660-00-920-4403. Manufacturer of record part number: 1433-613544.
Also searched as1660-00-920-4403 ·
1660009204403 ·
NIIN 009204403 ·
00-920-4403 ·
FSC 1660 Aircraft Air Conditioning, Heating, and Pressurizing Equipment · CAGE 45934 · 1433-613544
Manufacturer of record: Ontic Engineering & Manufacturing, Inc Dba Ontic Us
Identification
NSN: 1660-00-920-4403
NIIN: 009204403
FSC: 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
FSG: 16 — Aircraft Components and Accessories
Primary part number: 1433-613544
Manufacturer: Ontic Engineering & Manufacturing, Inc Dba Ontic Us
General Description
The Valve Assembly, cataloged under National Stock Number 1660-00-920-4403, 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 Ontic Engineering & Manufacturing, Inc Dba Ontic Us. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Catalog Facts
Item Name
Valve Assembly
FSC / FSG
1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment (FSG 16)
Manufacturers
Ontic Engineering & Manufacturing, Inc Dba Ontic Us (CAGE 45934)
Technical Specifications
Parameter
Value
NSN
1660-00-920-4403
Primary Part Number
1433-613544
Item Name
Valve Assembly
FSC / FSG
1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
Manufacturer
Ontic Engineering & Manufacturing, Inc Dba Ontic Us
Ontic Engineering & Manufacturing, Inc Dba Ontic Us (USA)
Reference documents
Reference
Meaning
1433-613544
5/9Secondary reference
Parker-Hannifin Corporation Div Gas Turbine Fuel Systems
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 1660-00-920-4403?
NSN 1660-00-920-4403 is a Valve Assembly, manufactured by Ontic Engineering & Manufacturing, Inc Dba Ontic Us, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
What part numbers are listed for NSN 1660-00-920-4403?
NSN 1660-00-920-4403 has 1 manufacturer part number on file: 1433-613544 (Ontic Engineering & Manufacturing, Inc Dba Ontic Us).
Is NSN 1660-00-920-4403 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.