The Gage,depth,diver's, cataloged under National Stock Number 4220-01-389-2188, 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 American Underwater Products Dba Oceanic. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4220-01-389-2188 |
| Primary Part Number | 04-1660 |
| Item Name | Gage,depth,diver's |
| FSC / FSG | 4220 / 42 — Marine Lifesaving and Diving Equipment |
| Manufacturer | American Underwater Products Dba Oceanic |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 04-1660 PRIMARY | American Underwater Products Dba Oceanic (USA) |
| Reference | Meaning |
|---|---|
| 04-1631 | 5/9 Secondary reference Mar-Vel International, Inc. Dba Mar-Vel Underwater Equip |
| 04-1631 | 3/9 Design control — primary reference American Underwater Products Dba Oceanic |
NSN 4220-01-389-2188 is a Gage,depth,diver's, manufactured by American Underwater Products Dba Oceanic, classified under FSC 4220, Marine Lifesaving and Diving Equipment. Status: active.
NSN 4220-01-389-2188 has 1 manufacturer part number on file: 04-1660 (American Underwater Products Dba Oceanic).
1 possible match (shared part number, not a government interchangeability claim): 4240-01-564-2335. Verify interchangeability with system specifications before substitution.
Key specifications for 04-1660: Special Features: MAX DEPTH 200 FT; FITS INTO RUBBER BOOT AND MOUNTED ON A SUBMERSIBLE VEHICLE; DIAL HAS 2 HANDS, ONE IS DEPTH YOU ARE, OTHER IS DEPTH YOU REACH FT. 0 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
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.