NSN 4220-01-550-8801 · NIIN 015508801 · Part number 592-7385379 PN F4 SHT 7-191
Naval Sea Systems Command · FSC 4220 — Marine Lifesaving and Diving Equipment · FSG 42 — Fire Fighting, Rescue, and Safety Equipment · CAGE 53711
Government record, cited
NSN 4220-01-550-8801 — this item is cataloged by the U.S. Government under National Stock Number 4220-01-550-8801. Manufacturer of record part number: 592-7385379 PN F4 SHT 7-191.
FSC: 4220 — Marine Lifesaving and Diving Equipment
FSG: 42 — Fire Fighting, Rescue, and Safety Equipment
Primary part number: 592-7385379 PN F4 SHT 7-191
Manufacturer: Naval Sea Systems Command
General Description
The Diffuser,air Supply, cataloged under National Stock Number 4220-01-550-8801, 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 Naval Sea Systems Command. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
Catalog Facts
Item Name
Diffuser,air Supply
FSC / FSG
4220 — Marine Lifesaving and Diving Equipment (FSG 42)
Manufacturers
Naval Sea Systems Command (CAGE 53711)
Technical Specifications
Parameter
Value
NSN
4220-01-550-8801
Primary Part Number
592-7385379 PN F4 SHT 7-191
Item Name
Diffuser,air Supply
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 4220-01-550-8801?
NSN 4220-01-550-8801 is a Diffuser,air Supply, manufactured by Naval Sea Systems Command, classified under FSC 4220, Marine Lifesaving and Diving Equipment. Status: active.
What part numbers are listed for NSN 4220-01-550-8801?
NSN 4220-01-550-8801 has 1 manufacturer part number on file: 592-7385379 PN F4 SHT 7-191 (Naval Sea Systems Command).
Is NSN 4220-01-550-8801 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.