The Transmitter,liquid Quantity, cataloged under National Stock Number 6680-01-215-6594, 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 Rochester Sensors, Llc. Government technical data includes 12 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6680-01-215-6594 |
| Primary Part Number | N7540-00022 |
| Item Name | Transmitter,liquid Quantity |
| FSC / FSG | 6680 / 66 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments |
| Manufacturer | Rochester Sensors, Llc |
| Status | ACTIVE |
| Actuation Method | FLOAT |
| Pressure Rating | 500.000 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS |
| Terminal Quantity | 1 |
| Current Type | AC/DC |
| Terminal Type | STUD |
| Electrical Connection Quantity | 1 |
| Float Arm Length | 20.313 INCHES NOMINAL IN |
| Overall Diameter | 3.500 INCHES NOMINAL IN |
| Mounting Method | FLANGE |
| Media for Which Designed | INTERFACE |
| Material | ALUMINUM FLOAT |
| Voltage Rating | 1.0 VOLTS MINIMUM AND 36.0 VOLTS MAXIMUM |
| 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 |
|---|---|
| N7540-00022 PRIMARY | Rochester Sensors, Llc (USA) |
| Reference | Meaning |
|---|---|
| M7540-00022 | 5/9 Secondary reference Rochester Sensors, Llc |
| 5SE01363 | 1/2 Source control — Government-approved source U.S. Government activity |
| 5SE01363 | 5/9 Secondary reference Naval Air Warfare Center Aircraft Division Code 1.3.1 Bldg 562-1 |
| 5SE01363-1 | 5/9 Secondary reference Naval Air Warfare Center Aircraft Division Code 1.3.1 Bldg 562-1 |
NSN 6680-01-215-6594 is a Transmitter,liquid Quantity, manufactured by Rochester Sensors, Llc, classified under FSC 6680, Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments. Status: active.
NSN 6680-01-215-6594 has 1 manufacturer part number on file: N7540-00022 (Rochester Sensors, Llc).
Key specifications for N7540-00022: Actuation Method: FLOAT; Pressure Rating: 500.000 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS; Terminal Quantity: 1; Current Type: AC/DC. 12 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.