The Indicator,pressure, cataloged under National Stock Number 6620-00-231-8441, is classified within Federal Supply Class 6620 (Engine Instruments) of the Instruments and Laboratory Equipment group. Government technical data includes 18 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 6620-00-231-8441 |
| Item Name | Indicator,pressure |
| FSC / FSG | 6620 / 66 — Engine Instruments |
| Status | ACTIVE |
| FSC Application Data | ENGINE INSTRUMENT,AIRCRAFT |
| Phase | SINGLE |
| Contact Type | PIN |
| Scale Marking | NUMERALS AND LINED INCREMENTS |
| Length | 3.531 INCHES NOMINAL IN |
| Current Type | AC |
| Electrical Connection Quantity | 1 |
| Mounting Stud Diameter | 0.170 INCHES NOMINAL IN |
| DC Voltage Rating | 26.0 VOLTS NOMINAL |
| Electrical Connection Identifying Number | PART NO. 0-415-536 |
| Accuracy Rating | 10.0 POUNDS PER SQUARE INCH SINGLE INDICATOR SINGLE SCALE LBS |
| Scale Range | +0.1 TO 200.0 POUNDS PER SQUARE INCH SINGLE INDICATOR SINGLE SCALE LBS |
| Scale Marking Transparency | FLUORESCENT |
| Contact Quantity | 4 |
| Illumination Color Generation Method | FLUORESCENCE |
| Height | 2.375 INCHES NOMINAL IN |
| Frequency Rating | 400.0 HERTZ NOMINAL |
| Width | 2.375 INCHES NOMINAL IN |
| 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 |
|---|---|
| 6400A2B1A2 | 3/2 Design control — primary reference U.S. Government activity |
| 6400A2B1A2 | 5/9 Secondary reference Honeywell Intl Inc Defense Avionics Systems |
NSN 6620-00-231-8441 is a Indicator,pressure, classified under FSC 6620, Engine Instruments. Status: active.
Key specifications for 6620-00-231-8441: FSC Application Data: ENGINE INSTRUMENT,AIRCRAFT; Phase: SINGLE; Contact Type: PIN; Scale Marking: NUMERALS AND LINED INCREMENTS. 18 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.