The Indicator,pressure, cataloged under National Stock Number 6620-01-100-0077, is classified within Federal Supply Class 6620 (Engine Instruments) of the Instruments and Laboratory Equipment group. Government technical data includes 7 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6620-01-100-0077 |
| Item Name | Indicator,pressure |
| FSC / FSG | 6620 / 66 — Engine Instruments |
| Status | ACTIVE |
| Contact Type | THREADED STUD |
| Length | 2.560 INCHES NOMINAL IN |
| Electrical Connection Quantity | 2 |
| DC Voltage Rating | 12.0 VOLTS NOMINAL |
| Contact Quantity | 4 |
| Features Provided | ENCAPSULATED |
| Width | 2.250 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 |
|---|---|
| 608920-01 | 3/2 Design control — primary reference U.S. Government activity |
| 608920-01 | 5/9 Secondary reference U.S. Government activity |
| 82305 | 5/1 Secondary reference Stewart-Warner Corporation |
NSN 6620-01-100-0077 is a Indicator,pressure, classified under FSC 6620, Engine Instruments. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 4910-01-626-5751. Verify interchangeability with system specifications before substitution.
Key specifications for 6620-01-100-0077: Contact Type: THREADED STUD; Length: 2.560 INCHES NOMINAL IN; Electrical Connection Quantity: 2; DC Voltage Rating: 12.0 VOLTS NOMINAL. 7 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.