The Transmitter,liquid Quantity, cataloged under National Stock Number 6680-00-003-1201, 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 Invensys Systems, Inc. Dba Schneider Electric. Government technical data includes 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6680-00-003-1201 |
| Primary Part Number | L5127S-3 |
| Item Name | Transmitter,liquid Quantity |
| FSC / FSG | 6680 / 66 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments |
| Manufacturer | Invensys Systems, Inc. Dba Schneider Electric |
| Status | ACTIVE |
| Attachment Feature Quantity | 1 |
| Terminal Quantity | 2 |
| Current Type | DC |
| Terminal Type | WIRE LEAD |
| Electrical Connection Quantity | 5 |
| Overall Diameter | 1.500 INCHES NOMINAL IN |
| Electrical Connection Identifying Number | PART NO. L5127S-3 |
| Mounting Method | FLANGE |
| Connector Controlling Agency | FOXBORO/TRANS-SONICS,INC |
| Media for Which Designed | OIL |
| Voltage Rating | 26.0 VOLTS NOMINAL |
| 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 |
|---|---|
| L5127S-3 PRIMARY | Invensys Systems, Inc. Dba Schneider Electric (USA) |
| Reference | Meaning |
|---|---|
| 127145 | 5/9 Secondary reference Invensys Systems, Inc. Dba Schneider Electric |
NSN 6680-00-003-1201 is a Transmitter,liquid Quantity, manufactured by Invensys Systems, Inc. Dba Schneider Electric, classified under FSC 6680, Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments. Status: active.
NSN 6680-00-003-1201 has 1 manufacturer part number on file: L5127S-3 (Invensys Systems, Inc. Dba Schneider Electric).
3 possible matches (shared part number, not a government interchangeability claim): 5307-00-095-3360, 9330-01-495-6365, 6680-01-670-2228. Verify interchangeability with system specifications before substitution.
Key specifications for L5127S-3: Attachment Feature Quantity: 1; Terminal Quantity: 2; Current Type: DC; Terminal Type: WIRE LEAD. 11 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.