The Gage,pressure,dial Indicating, cataloged under National Stock Number 6620-01-159-8852, 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 13 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 6620-01-159-8852 |
| Primary Part Number | 1404400 |
| Item Name | Gage,pressure,dial Indicating |
| FSC / FSG | 6620 / 66 — Engine Instruments |
| Manufacturer | Oshkosh Defense Llc |
| Status | ACTIVE |
| FSC Application Data | ENGINE |
| Scale Accuracy | 3 PCT FULL SCALE |
| Scale Name | PRESSURE |
| Actuation Type | DIAPHRAGM |
| Scale Inscription/background Color | BLACK MARKINGS,WHITE BACKGROUND |
| Connection Type | EXTERNAL |
| Scale Range | +0.0 TO 300.0 POUNDS PER SQUARE INCH LBS |
| Scale Type | DIAL |
| Dial Size | 2-1/2 IN. DIA IN |
| Connection Location | BOTTOM |
| Material | PLASTIC POLYAMIDE NYLON CASE |
| Connection Quantity | 1 |
| Connection Size | 0.250 IN. NPT 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 |
|---|---|
| 1404400 PRIMARY | Oshkosh Defense Llc (USA) |
| Reference | Meaning |
|---|---|
| 1404400 | 5/9 Secondary reference Oshkosh Corp |
NSN 6620-01-159-8852 is a Gage,pressure,dial Indicating, manufactured by Oshkosh Defense Llc, classified under FSC 6620, Engine Instruments. Status: active.
NSN 6620-01-159-8852 has 1 manufacturer part number on file: 1404400 (Oshkosh Defense Llc).
Key specifications for 1404400: FSC Application Data: ENGINE; Scale Accuracy: 3 PCT FULL SCALE; Scale Name: PRESSURE; Actuation Type: DIAPHRAGM. 13 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.