The Gage,pressure,dial Indicating, cataloged under National Stock Number 6620-01-172-9977, is classified within Federal Supply Class 6620 (Engine Instruments) of the Instruments and Laboratory Equipment group. Government technical data includes 22 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 6620-01-172-9977 |
| Item Name | Gage,pressure,dial Indicating |
| FSC / FSG | 6620 / 66 — Engine Instruments |
| Status | ACTIVE |
| FSC Application Data | ENGINE |
| Scale Name | TEMPERATURE |
| Overall Diameter | 1.990 INCHES NOMINAL IN |
| Mounting Connection Location | BACK |
| Mounting Method | BRACKET(S) |
| Scale Inscription/background Color | WHITE INSCRIPTION ON BLACK BACKGROUND FOR DEG FAHRENHEIT,BURNT ORANGE INSCRIPTION ON BLACK BACKGROUND FOR DEG CELSIUS |
| Connection Type | EXTERNAL |
| Scale Range | +38.0 TO 121.0 DEG CELSIUS AND +100.0 TO 250.0 DEG FAHRENHEIT |
| Illuminative Method | ANY ACCEPTABLE |
| Pointer Type | INDICATING |
| Adjustability | ADJUSTABLE |
| Scale Type | DIAL |
| Connector Type Vent | NOT PROVIDED |
| Dial Size | 2.000 IN. DIA IN |
| Graduation Unit | 100.0 DEG FAHRENHEIT AND 160.0 DEG FAHRENHEIT AND 200.0 DEG FAHRENHEIT AND 250.0 DEG FAHRENHEIT AND 121.0 DEG CELSIUS AND 38.0 DEG CELSIUS AND 71.0 DEG CELSIUS AND 93.0 DEG CELSIUS |
| Connection Location | BACK, CENTER |
| Pointer Color | BLACK |
| Material | PLASTIC CASE |
| Material | ALUMINUM ACTUATING ELEMENT |
| Connection Quantity | 1 |
| Bezel Type | ANY ACCEPTABLE |
| Connection Size | 10-32 NF-2A A |
| 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 |
|---|---|
| 3070-00082 | 3/9 Design control — primary reference Rochester Sensors, Llc |
| 655-00-0004 | 5/9 Secondary reference Drs Sustainment Systems, Inc. |
NSN 6620-01-172-9977 is a Gage,pressure,dial Indicating, classified under FSC 6620, Engine Instruments. Status: active.
Key specifications for 6620-01-172-9977: FSC Application Data: ENGINE; Scale Name: TEMPERATURE; Overall Diameter: 1.990 INCHES NOMINAL IN; Mounting Connection Location: BACK. 22 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.