The Transmitter,liquid Quantity, cataloged under National Stock Number 6680-01-376-1671, 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 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 6680-01-376-1671 |
| Primary Part Number | M6243-4-5 3/8 |
| 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) NOMINAL LBS |
| Material | ALUMINUM FLOAT |
| Voltage Rating | 36.0 VOLTS NOMINAL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| M6243-4-5 3/8 PRIMARY | Rochester Sensors, Llc (USA) |
| Reference | Meaning |
|---|---|
| 6509888 | 7/2 Vendor item drawing reference Naval Sea Systems Command |
NSN 6680-01-376-1671 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 6680-01-376-1671 has 1 manufacturer part number on file: M6243-4-5 3/8 (Rochester Sensors, Llc).
Key specifications for M6243-4-5 3/8: Actuation Method: FLOAT; Pressure Rating: 500.000 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS; Special Features: EXTERNAL PRESSURE; SEA LEVER TO 30000 FT. ALTITUDE; MOUNTING TYPE: CENTERLINE MOUNTED TYPE. FT; End Item Identification: TORPEDO,ADCAP 48; ATE RAIL GROU.. 4 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 6680-01-376-1671 has DEMIL Code Q. 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.