The Gage,pressure,dial Indicating, cataloged under National Stock Number 4220-01-706-1979, 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 Enfm-Usa Inc. Government technical data includes 9 specifications, 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4220-01-706-1979 |
| Primary Part Number | RD166I3M321VAH1 |
| Item Name | Gage,pressure,dial Indicating |
| FSC / FSG | 4220 / 42 — Marine Lifesaving and Diving Equipment |
| Manufacturer | Enfm-Usa Inc |
| Status | ACTIVE |
| Indicator Type | CALIBRATED DIAL |
| Mounting Method | CLAMP |
| Scale Range | +0.0 TO 40.0 BAR |
| Scale Name for Which Pointer Is Designed | PRESSURE |
| Display Type | DIAL |
| Connection Location | BACK, LOWER |
| Material | GLASS PROTECTIVE CRYSTAL |
| Measurement Unit | BAR |
| Connection Size | 0.25 INCH BSP WITH SNUBBER 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 |
|---|---|
| RD166I3M321VAH1 PRIMARY | Enfm-Usa Inc (USA) |
NSN 4220-01-706-1979 is a Gage,pressure,dial Indicating, manufactured by Enfm-Usa Inc, classified under FSC 4220, Marine Lifesaving and Diving Equipment. Status: active.
NSN 4220-01-706-1979 has 1 manufacturer part number on file: RD166I3M321VAH1 (Enfm-Usa Inc).
Key specifications for RD166I3M321VAH1: Indicator Type: CALIBRATED DIAL; Mounting Method: CLAMP; Scale Range: +0.0 TO 40.0 BAR; Scale Name for Which Pointer Is Designed: PRESSURE. 9 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.