The Gage,pressure,dial Indicating, cataloged under National Stock Number 4220-01-707-5243, 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 Sub Aquatics, Inc. Dba Breathing Air Systems Div Sub-Aquatics Inc, Dba Breathing Air Systems. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4220-01-707-5243 |
| Primary Part Number | DRS6/CAL |
| Item Name | Gage,pressure,dial Indicating |
| FSC / FSG | 4220 / 42 — Marine Lifesaving and Diving Equipment |
| Manufacturer | Sub Aquatics, Inc. Dba Breathing Air Systems Div Sub-Aquatics Inc, Dba Breathing Air Systems |
| Status | ACTIVE |
| Indicator Type | DIAL W/POINTER |
| Display Type | DIAL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| 204L-254U | Thuemling Industrial Products Inc (USA) |
| DRS6/CAL PRIMARY | Sub Aquatics, Inc. Dba Breathing Air Systems Div Sub-Aquatics Inc, Dba Breathing Air Systems (USA) |
| Reference | Meaning |
|---|---|
| DRS-4500 | D/9 Drawing number reference only Sub Aquatics, Inc. Dba Breathing Air Systems Div Sub-Aquatics Inc, Dba Breathing Air Systems |
NSN 4220-01-707-5243 is a Gage,pressure,dial Indicating, manufactured by Sub Aquatics, Inc. Dba Breathing Air Systems Div Sub-Aquatics Inc, Dba Breathing Air Systems, classified under FSC 4220, Marine Lifesaving and Diving Equipment. Status: active.
NSN 4220-01-707-5243 has 2 manufacturer part numbers on file: 204L-254U (Thuemling Industrial Products Inc), DRS6/CAL (Sub Aquatics, Inc. Dba Breathing Air Systems Div Sub-Aquatics Inc, Dba Breathing Air Systems).
Key specifications for DRS6/CAL: Indicator Type: DIAL W/POINTER; Display Type: DIAL; Part Name Assigned by Controlling Agency: SUPPLY PRESSURE GAUGE (DRS6/CAL); End Item Identification: 2350-01-458-7410. 2 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.