NSN 4220-01-654-7690 · NIIN 016547690 · Part number 643202 M20.3T
Ocenco Inc · FSC 4220 — Marine Lifesaving and Diving Equipment · FSG 42 — Fire Fighting, Rescue, and Safety Equipment · CAGE 03WY2
Government record, cited
NSN 4220-01-654-7690 — this item is cataloged by the U.S. Government under National Stock Number 4220-01-654-7690. Manufacturer of record part number: 643202 M20.3T.
Also searched as4220-01-654-7690 ·
4220016547690 ·
NIIN 016547690 ·
01-654-7690 ·
FSC 4220 Marine Lifesaving and Diving Equipment · CAGE 03WY2 · 643202 M20.3T
Nearby stock numbers← 4220-01-654-5213 Life Raft, Inflatable
·
4220-01-654-7834 Life Raft →
Features
Bit,mouthpiece,breathing Apparat — FSC 4220
1 manufacturer part number on file
Manufacturer of record: Ocenco Inc
Identification
NSN: 4220-01-654-7690
NIIN: 016547690
FSC: 4220 — Marine Lifesaving and Diving Equipment
FSG: 42 — Fire Fighting, Rescue, and Safety Equipment
Primary part number: 643202 M20.3T
Manufacturer: Ocenco Inc
General Description
The Bit,mouthpiece,breathing Apparat, cataloged under National Stock Number 4220-01-654-7690, is classified within Federal Supply Class 4220 (Marine Lifesaving and Diving Equipment) of the Fire Fighting, Rescue, and Safety Equipment group. The manufacturer of record is Ocenco Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Catalog Facts
Item Name
Bit,mouthpiece,breathing Apparat
FSC / FSG
4220 — Marine Lifesaving and Diving Equipment (FSG 42)
Manufacturers
Ocenco Inc (CAGE 03WY2)
Technical Specifications
Parameter
Value
NSN
4220-01-654-7690
Primary Part Number
643202 M20.3T
Item Name
Bit,mouthpiece,breathing Apparat
FSC / FSG
4220 / 42 — Marine Lifesaving and Diving Equipment
Other items in FSC 4220 — Marine Lifesaving and Diving Equipment
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4220-00-004-8880
4220-00-004-8880 · Item name not on file
4220-00-009-2854
DIVING EQUIPMENT SET
4220-00-012-3571
INFLATION ASSEMBLY,LIFE JACKET
4220-00-014-0183
4220-00-014-0183 · Item name not on file
4220-00-014-2097
CARTRIDGE,COMPRESSED GAS
4220-00-021-4979
COVER,RAFT
4220-00-021-9688
LANYARD ASSEMBLY
4220-00-022-1014
4220-00-022-1014 · Item name not on file
Frequently Asked Questions
What is NSN 4220-01-654-7690?
NSN 4220-01-654-7690 is a Bit,mouthpiece,breathing Apparat, manufactured by Ocenco Inc, classified under FSC 4220, Marine Lifesaving and Diving Equipment. Status: active.
What part numbers are listed for NSN 4220-01-654-7690?
NSN 4220-01-654-7690 has 1 manufacturer part number on file: 643202 M20.3T (Ocenco Inc).
Is NSN 4220-01-654-7690 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.