NSN 1660-01-519-6263 · NIIN 015196263 · Part number 103854 2
Honeywell International, Inc Div Aerospace-Tucson · FSC 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment · FSG 16 — Aircraft Components and Accessories · CAGE 64547
Government record, cited
NSN 1660-01-519-6263 — this item is cataloged by the U.S. Government under National Stock Number 1660-01-519-6263. Manufacturer of record part number: 103854 2.
Also searched as1660-01-519-6263 ·
1660015196263 ·
NIIN 015196263 ·
01-519-6263 ·
FSC 1660 Aircraft Air Conditioning, Heating, and Pressurizing Equipment · CAGE 64547 · 103854 2 · M5121179
Nearby stock numbers← 1660-01-519-5933 Heat Exchanger, Air to Air, Aircra
·
1660-01-519-6264 Regulator, Oxygen, Demand →
Features
Valve,oxygen Mask,aircraft — FSC 1660
1 manufacturer part number on file
Manufacturer of record: Honeywell International, Inc Div Aerospace-Tucson
Identification
NSN: 1660-01-519-6263
NIIN: 015196263
FSC: 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
FSG: 16 — Aircraft Components and Accessories
Primary part number: 103854 2
Manufacturer: Honeywell International, Inc Div Aerospace-Tucson
General Description
The Valve,oxygen Mask,aircraft, cataloged under National Stock Number 1660-01-519-6263, 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 Honeywell International, Inc Div Aerospace-Tucson. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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,oxygen Mask,aircraft
FSC / FSG
1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment (FSG 16)
Manufacturers
Honeywell International, Inc Div Aerospace-Tucson (CAGE 64547)
Technical Specifications
Parameter
Value
NSN
1660-01-519-6263
Primary Part Number
103854 2
Item Name
Valve,oxygen Mask,aircraft
FSC / FSG
1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
Honeywell International, Inc Div Aerospace-Tucson (USA)
Reference documents
Reference
Meaning
M5121179
5/9Secondary reference
Aero Vodochody A.s.
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.
1660-00-006-4472
FLANGE,VALVE BODY
1660-00-009-5646
ADAPTER ASSEMBLY,BELLOWS
1660-00-019-8389
1660-00-019-8389 · Item name not on file
1660-00-019-8399
1660-00-019-8399 · Item name not on file
1660-00-031-5285
1660-00-031-5285 · Item name not on file
1660-00-302-4390
PISTON,REGULATING V
1660-00-441-0575
PISTON
1660-01-601-0729
ETHERNET SWITCH
Frequently Asked Questions
What is NSN 1660-01-519-6263?
NSN 1660-01-519-6263 is a Valve,oxygen Mask,aircraft, manufactured by Honeywell International, Inc Div Aerospace-Tucson, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
What part numbers are listed for NSN 1660-01-519-6263?
NSN 1660-01-519-6263 has 1 manufacturer part number on file: 103854 2 (Honeywell International, Inc Div Aerospace-Tucson).
Is NSN 1660-01-519-6263 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.