The Switch,liquid Level, cataloged under National Stock Number 6680-01-559-0749, 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 Otp Holding Llc Dba Tp Pump Div Tp Pump. Government technical data includes 14 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6680-01-559-0749 |
| Primary Part Number | 20SSD1WP |
| Item Name | Switch,liquid Level |
| FSC / FSG | 6680 / 66 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments |
| Manufacturer | Otp Holding Llc Dba Tp Pump Div Tp Pump |
| Status | ACTIVE |
| Actuation Method | BUOYANCY |
| Phase | SINGLE FIRST OPERATING POWER RQMT |
| AC Voltage Rating | 120.0 VOLTS NOMINAL FIRST OPERATING POWER RQMT |
| Overall Diameter | 3.380 INCHES NOMINAL IN |
| Current Rating at Maximum Rated Voltage | 15.0 AMPERES NOMINAL LOAD |
| Mounting Method | CLAMP |
| Voltage Rating at Maximum Rated Current | 120.0 VOLTS |
| Maximum Current Rating | 55.0 AMPERES NOMINAL LOAD |
| Float and Contact Positions | FLOAT DOWN, CONTACTS OPEN |
| Float Quantity | 1 |
| Liquid Type for Which Designed | NONPOTABLE WATER AND SEWAGE |
| Operating Temp Rating | 140.0 FAHRENHEIT MAXIMUM DEGF |
| Frequency Rating | 60.0 HERTZ NOMINAL FIRST OPERATING POWER RQMT |
| Electrical Connection Type | CABLE AND CONNECTOR PLUG |
| 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 |
|---|---|
| 20SSD1WP PRIMARY | Otp Holding Llc Dba Tp Pump Div Tp Pump (USA) |
NSN 6680-01-559-0749 is a Switch,liquid Level, manufactured by Otp Holding Llc Dba Tp Pump Div Tp Pump, classified under FSC 6680, Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments. Status: active.
NSN 6680-01-559-0749 has 1 manufacturer part number on file: 20SSD1WP (Otp Holding Llc Dba Tp Pump Div Tp Pump).
Key specifications for 20SSD1WP: Actuation Method: BUOYANCY; Phase: SINGLE FIRST OPERATING POWER RQMT; AC Voltage Rating: 120.0 VOLTS NOMINAL FIRST OPERATING POWER RQMT; Overall Diameter: 3.380 INCHES NOMINAL IN. 14 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.