The Transmitter,liquid Quantity, cataloged under National Stock Number 6680-00-547-6000, is classified within Federal Supply Class 6680 (Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Firstmark Aerospace Corp. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 6680-00-547-6000 |
| Primary Part Number | FG120C22 |
| Item Name | Transmitter,liquid Quantity |
| FSC / FSG | 6680 / 66 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments |
| Manufacturer | Firstmark Aerospace Corp |
| Status | ACTIVE |
| Actuation Method | CAPACITANCE |
| Attachment Feature Quantity | 1 |
| Phase | SINGLE |
| Terminal Quantity | 1 |
| Current Type | AC |
| Terminal Type | SOCKET AND PIN |
| Electrical Connection Quantity | 4 |
| Overall Diameter | 1.641 INCHES NOMINAL IN |
| Electrical Connection Identifying Number | DWG NO AG101A2 |
| Mounting Method | CLAMP |
| Connector Controlling Agency | MINNEAPOLIS-HONEYWELL |
| Frequency Rating | 400.000 HERTZ NOMINAL |
| Voltage Rating | 115.000 VOLTS NOMINAL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| FG120C22 PRIMARY | Firstmark Aerospace Corp (USA) |
| Reference | Meaning |
|---|---|
| FG120C22 | 5/9 Secondary reference U.S. Government activity |
NSN 6680-00-547-6000 is a Transmitter,liquid Quantity, manufactured by Firstmark Aerospace Corp, classified under FSC 6680, Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments. Status: active.
NSN 6680-00-547-6000 has 1 manufacturer part number on file: FG120C22 (Firstmark Aerospace Corp).
Key specifications for FG120C22: Actuation Method: CAPACITANCE; Attachment Feature Quantity: 1; Phase: SINGLE; Terminal Quantity: 1. 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.
NSN 6680-00-547-6000 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.