NSN 4220-01-649-4472 · NIIN 016494472 · Part number Y94004-000
Undersea Systems International, Inc. Dba Ocean Technology Systems · FSC 4220 — Marine Lifesaving and Diving Equipment · FSG 42 — Fire Fighting, Rescue, and Safety Equipment · CAGE 46646
Government record, cited
NSN 4220-01-649-4472 — this item is cataloged by the U.S. Government under National Stock Number 4220-01-649-4472. Manufacturer of record part number: Y94004-000.
Also searched as4220-01-649-4472 ·
4220016494472 ·
NIIN 016494472 ·
01-649-4472 ·
FSC 4220 Marine Lifesaving and Diving Equipment · CAGE 46646 · Y94004-000 · SCU092
Manufacturer of record: Undersea Systems International, Inc. Dba Ocean Technology Systems
Identification
NSN: 4220-01-649-4472
NIIN: 016494472
FSC: 4220 — Marine Lifesaving and Diving Equipment
FSG: 42 — Fire Fighting, Rescue, and Safety Equipment
Primary part number: Y94004-000
Manufacturer: Undersea Systems International, Inc. Dba Ocean Technology Systems
General Description
The Regulator,breathing Gas Pressure, cataloged under National Stock Number 4220-01-649-4472, 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 Undersea Systems International, Inc. Dba Ocean Technology Systems. 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
4220-01-649-4472
Primary Part Number
Y94004-000
Item Name
Regulator,breathing Gas Pressure
FSC / FSG
4220 / 42 — Marine Lifesaving and Diving Equipment
Manufacturer
Undersea Systems International, Inc. Dba Ocean Technology Systems
Undersea Systems International, Inc. Dba Ocean Technology Systems (USA)
No interchangeability data on file.
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 4220-01-649-4472?
NSN 4220-01-649-4472 is a Regulator,breathing Gas Pressure, manufactured by Undersea Systems International, Inc. Dba Ocean Technology Systems, classified under FSC 4220, Marine Lifesaving and Diving Equipment. Status: active.
What part numbers are listed for NSN 4220-01-649-4472?
NSN 4220-01-649-4472 has 2 manufacturer part numbers on file: SCU092 (Rfd (australia) Pty Ltd Survitec Group Australia), Y94004-000 (Undersea Systems International, Inc. Dba Ocean Technology Systems).
What are the specifications of Y94004-000?
Key specifications for Y94004-000: Part Name Assigned by Controlling Agency: SECOND STATE REGULATOR. 0 specifications are documented in the U.S. Government catalog.
Is NSN 4220-01-649-4472 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.