The Gage,pressure,dial Indicating, cataloged under National Stock Number 4220-01-705-8416, 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 Maritime Applied Physics Corporation Dba Blacksea Technologies. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Item Name | Gage,pressure,dial Indicating |
| FSC / FSG | 4220 — Marine Lifesaving and Diving Equipment (FSG 42) |
| Manufacturers | Maritime Applied Physics Corporation Dba Blacksea Technologies (CAGE 0E3P8) |
| Parameter | Value |
|---|---|
| NSN | 4220-01-705-8416 |
| Primary Part Number | 310-0-015 |
| Item Name | Gage,pressure,dial Indicating |
| FSC / FSG | 4220 / 42 — Marine Lifesaving and Diving Equipment |
| Manufacturer | Maritime Applied Physics Corporation Dba Blacksea Technologies |
| 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 |
|---|---|
| 310-0-015 PRIMARY | Maritime Applied Physics Corporation Dba Blacksea Technologies (USA) |
| Reference | Meaning |
|---|---|
| 331-0-003 REV A ITEM 5 | C/1 Advisory reference — outside the item-of-supply concept Maritime Applied Physics Corporation Dba Blacksea Technologies |
| 331-0-003 REV A | D/9 Drawing number reference only Maritime Applied Physics Corporation Dba Blacksea Technologies |
NSN 4220-01-705-8416 is a Gage,pressure,dial Indicating, manufactured by Maritime Applied Physics Corporation Dba Blacksea Technologies, classified under FSC 4220, Marine Lifesaving and Diving Equipment. Status: active.
NSN 4220-01-705-8416 has 1 manufacturer part number on file: 310-0-015 (Maritime Applied Physics Corporation Dba Blacksea Technologies).
1 possible match (shared part number, not a government interchangeability claim): 2090-01-706-8775. Verify interchangeability with system specifications before substitution.
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.