The Gage,depth and Pressure Diver's, cataloged under National Stock Number 4220-01-251-9930, 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 Dacor Corp. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4220-01-251-9930 |
| Primary Part Number | 3475-00 |
| Item Name | Gage,depth and Pressure Diver's |
| FSC / FSG | 4220 / 42 — Marine Lifesaving and Diving Equipment |
| Manufacturer | Dacor Corp |
| Status | ACTIVE |
| General Characteristics Item Description | UNDERWATER PRESSURE GAGE,DEPTH GAGE; ENCLOSED IN RUBBER CASING; HAND-HELD; 6.000 IN. O/A LG IN |
| 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 |
|---|---|
| 3475-00 PRIMARY | Dacor Corp (USA) |
| Reference | Meaning |
|---|---|
| 3322-00 | 5/9 Secondary reference Dacor Corp |
NSN 4220-01-251-9930 is a Gage,depth and Pressure Diver's, manufactured by Dacor Corp, classified under FSC 4220, Marine Lifesaving and Diving Equipment. Status: active.
NSN 4220-01-251-9930 has 1 manufacturer part number on file: 3475-00 (Dacor Corp).
2 possible matches (shared part number, not a government interchangeability claim): 6515-01-254-1528, 1290-01-468-6062. Verify interchangeability with system specifications before substitution.
Key specifications for 3475-00: General Characteristics Item Description: UNDERWATER PRESSURE GAGE,DEPTH GAGE; ENCLOSED IN RUBBER CASING; HAND-HELD; 6.000 IN. O/A LG IN. 1 specification is 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.