The Gage,pressure,dial Indicating, cataloged under National Stock Number 6620-01-166-9507, is classified within Federal Supply Class 6620 (Engine Instruments) of the Instruments and Laboratory Equipment group. Government technical data includes 23 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6620-01-166-9507 |
| Item Name | Gage,pressure,dial Indicating |
| FSC / FSG | 6620 / 66 — Engine Instruments |
| Status | ACTIVE |
| FSC Application Data | ENGINE |
| Scale Name | OIL PRESSURE |
| Overall Diameter | 2.060 INCHES NOMINAL IN |
| Mounting Connection Location | UPPER BACK |
| Mounting Method | SCREW |
| Scale Inscription/background Color | WHITE MARKING ON BLACK BACKGROUND |
| Scale Smallest Increment | 10.0 POUNDS PER SQUARE INCH (PSI) LBS |
| Connection Type | EXTERNAL |
| Scale Range | +0.0 TO 80.0 POUNDS PER SQUARE INCH LBS |
| Illuminative Method | ANY ACCEPTABLE |
| Pointer Type | INDICATING |
| Scale Type | DIAL |
| Connector Type Vent | NOT PROVIDED |
| Dial Size | 1.940 IN. DIA IN |
| Graduation Unit | 20.0 POUNDS PER SQUARE INCH LBS |
| Connection Location | BACK, LOWER |
| Pointer Color | WHITE |
| Surface Treatment | ZINC CASE |
| Material | STEEL CASE |
| Material | STEEL CORROSION RESISTING ACTUATING ELEMENT |
| Connection Quantity | 1 |
| Bezel Type | ANY ACCEPTABLE |
| Connection Size | 1/8-27 NPT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 6462578 | C/1 Advisory reference — outside the item-of-supply concept General Motors Llc Dba General Motors Llc |
| 6462578 | 3/9 Design control — primary reference General Motors Llc Dba General Motors |
NSN 6620-01-166-9507 is a Gage,pressure,dial Indicating, classified under FSC 6620, Engine Instruments. Status: active.
Key specifications for 6620-01-166-9507: FSC Application Data: ENGINE; Scale Name: OIL PRESSURE; Overall Diameter: 2.060 INCHES NOMINAL IN; Mounting Connection Location: UPPER BACK. 23 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.