NSN 1660-01-499-6833 · NIIN 014996833 · Part number 803000-21
Avox Systems Inc Dba Avox Systems Inc · FSC 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment · FSG 16 — Aircraft Components and Accessories · CAGE 53655
Government record, cited
NSN 1660-01-499-6833 — this item is cataloged by the U.S. Government under National Stock Number 1660-01-499-6833. Manufacturer of record part number: 803000-21.
Also searched as1660-01-499-6833 ·
1660014996833 ·
NIIN 014996833 ·
01-499-6833 ·
FSC 1660 Aircraft Air Conditioning, Heating, and Pressurizing Equipment · CAGE 53655 · 803000-21
Manufacturer of record: Avox Systems Inc Dba Avox Systems Inc
Identification
NSN: 1660-01-499-6833
NIIN: 014996833
FSC: 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
FSG: 16 — Aircraft Components and Accessories
Primary part number: 803000-21
Manufacturer: Avox Systems Inc Dba Avox Systems Inc
General Description
The Cylinder Assembly,oxygen,aircraf, cataloged under National Stock Number 1660-01-499-6833, 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 Avox Systems Inc Dba Avox Systems Inc. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
1660-01-499-6833
Primary Part Number
803000-21
Item Name
Cylinder Assembly,oxygen,aircraf
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 1660-01-499-6833?
NSN 1660-01-499-6833 is a Cylinder Assembly,oxygen,aircraf, manufactured by Avox Systems Inc Dba Avox Systems Inc, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
What part numbers are listed for NSN 1660-01-499-6833?
NSN 1660-01-499-6833 has 2 manufacturer part numbers on file: 803000-21 (Avox Systems Inc Dba Avox Systems Inc), 803000-21 (Safran Cabin Inc Dba C & D Zodiac Inc).
What are the specifications of 803000-21?
Key specifications for 803000-21: Shatterproof Feature: NOT INCLUDED; Neck Closure: NOT PROVIDED. 2 specifications are documented in the U.S. Government catalog.
Is NSN 1660-01-499-6833 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.