The Gage,pressure,dial Indicating, cataloged under National Stock Number 6620-01-341-9823, is classified within Federal Supply Class 6620 (Engine Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Mirada Research & Manufacturing, Inc.. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6620-01-341-9823 |
| Primary Part Number | A-51057 |
| Item Name | Gage,pressure,dial Indicating |
| FSC / FSG | 6620 / 66 — Engine Instruments |
| Manufacturer | Mirada Research & Manufacturing, Inc. |
| Status | ACTIVE |
| Scale Range | +0.0 TO 6000.0 POUNDS PRESSURE PER SQUARE INCH LBS |
| 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 |
|---|---|
| A-51057 PRIMARY | Mirada Research & Manufacturing, Inc. (USA) |
| Reference | Meaning |
|---|---|
| B51051 | 5/9 Secondary reference Mirada Research & Manufacturing, Inc. |
NSN 6620-01-341-9823 is a Gage,pressure,dial Indicating, manufactured by Mirada Research & Manufacturing, Inc., classified under FSC 6620, Engine Instruments. Status: active.
NSN 6620-01-341-9823 has 1 manufacturer part number on file: A-51057 (Mirada Research & Manufacturing, Inc.).
Key specifications for A-51057: Scale Range: +0.0 TO 6000.0 POUNDS PRESSURE PER SQUARE INCH LBS; End Item Identification: 1940-01-249-3937/81349. 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.