NSN 1660-01-562-1742 · NIIN 015621742 · Part number AA-1881
Lincoln Electric Co the Harris Calorific Div · FSC 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment · FSG 16 — Aircraft Components and Accessories · CAGE 27372
Government record, cited
NSN 1660-01-562-1742 — this item is cataloged by the U.S. Government under National Stock Number 1660-01-562-1742. Manufacturer of record part number: AA-1881.
Also searched as1660-01-562-1742 ·
1660015621742 ·
NIIN 015621742 ·
01-562-1742 ·
FSC 1660 Aircraft Air Conditioning, Heating, and Pressurizing Equipment · CAGE 27372 · AA-1881
Manufacturer of record: Lincoln Electric Co the Harris Calorific Div
Identification
NSN: 1660-01-562-1742
NIIN: 015621742
FSC: 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
FSG: 16 — Aircraft Components and Accessories
Primary part number: AA-1881
Manufacturer: Lincoln Electric Co the Harris Calorific Div
General Description
The Regulator,oxygen,demand, cataloged under National Stock Number 1660-01-562-1742, 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 Lincoln Electric Co the Harris Calorific Div. 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
1660-01-562-1742
Primary Part Number
AA-1881
Item Name
Regulator,oxygen,demand
FSC / FSG
1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
Lincoln Electric Co the Harris Calorific Div (USA)
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 1660-01-562-1742?
NSN 1660-01-562-1742 is a Regulator,oxygen,demand, manufactured by Lincoln Electric Co the Harris Calorific Div, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
What part numbers are listed for NSN 1660-01-562-1742?
NSN 1660-01-562-1742 has 1 manufacturer part number on file: AA-1881 (Lincoln Electric Co the Harris Calorific Div).
What are the specifications of AA-1881?
Key specifications for AA-1881: Special Features: 0 TO 0.180 PSI; End Item Identification: USED ON EF-18 HORNET COMBAT AIRCRAFT OXYGEN SYSTEM COMPONENTS TEST STAND. 0 specifications are documented in the U.S. Government catalog.
Is NSN 1660-01-562-1742 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.