The Gage,pressure,dial Indicating, cataloged under National Stock Number 6620-01-159-8850, is classified within Federal Supply Class 6620 (Engine Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Oshkosh Defense Llc. Government technical data includes 16 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6620-01-159-8850 |
| Primary Part Number | 1379640 |
| Item Name | Gage,pressure,dial Indicating |
| FSC / FSG | 6620 / 66 — Engine Instruments |
| Manufacturer | Oshkosh Defense Llc |
| Status | ACTIVE |
| FSC Application Data | ENGINE |
| Scale Name | OIL PRESSURE |
| Overall Diameter | 2.060 INCHES NOMINAL IN |
| Mounting Connection Location | BACK |
| Mounting Method | BRACKET(S) |
| Scale Inscription/background Color | WHITE MARKINGS,GREEN COLOR BAND FROM 5 TO 45 PSI,RED COLOR BAND FROM 0 TO 5 PSI AND 45 TO 100 PSI,BLACK BACKGROUND |
| Scale Smallest Increment | 25.0 POUNDS PER SQUARE INCH (PSI) LBS |
| Scale Range | +0.0 TO 100.0 POUNDS PER SQUARE INCH LBS |
| Illuminative Method | ANY ACCEPTABLE |
| Scale Type | SINGLE |
| Dial Size | 1.940 IN. DIA PORM 0.015 IN. IN |
| Graduation Unit | 25.0 POUNDS PER SQUARE INCH LBS |
| Connection Location | BACK, CENTER |
| Pointer Color | WHITE |
| Unable to Decode | UNABLE TO DECODE |
| Connection Quantity | 1 |
| 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 |
|---|---|
| 1379640 PRIMARY | Oshkosh Defense Llc (USA) |
| Reference | Meaning |
|---|---|
| 1379640 | 5/9 Secondary reference Oshkosh Corp |
NSN 6620-01-159-8850 is a Gage,pressure,dial Indicating, manufactured by Oshkosh Defense Llc, classified under FSC 6620, Engine Instruments. Status: active.
NSN 6620-01-159-8850 has 1 manufacturer part number on file: 1379640 (Oshkosh Defense Llc).
Key specifications for 1379640: FSC Application Data: ENGINE; Scale Name: OIL PRESSURE; Overall Diameter: 2.060 INCHES NOMINAL IN; Mounting Connection Location: BACK. 16 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.