The Thermocouple,immersion, cataloged under National Stock Number 6685-00-691-0979, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Thermo Electric Company Inc. Dba Thermo Electric Company. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 6685-00-691-0979 |
| Primary Part Number | 5Y0231SI2 |
| Item Name | Thermocouple,immersion |
| FSC / FSG | 6685 / 66 — No Item Name Available |
| Manufacturer | Thermo Electric Company Inc. Dba Thermo Electric Company |
| Status | CANCELLED |
| Immersion Length | 2.000 INCHES NOMINAL IN |
| Mounting Facility Screw Thread Series Designator | NPT |
| Terminal Type and Quantity | 2 SCREW |
| Material | CERAMIC INDIVIDUAL WIRE INSULATION |
| Operating Temp Range | +75.0 TO 800.0 FAHRENHEIT DEGF |
| Accommodated Wire Awg Size | 20 |
| Unit Type | PROTECTIVE TUBE |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 532923 | Teledyne Industries Inc Teledyne Power Systems Div (USA) |
| T.O.33A2-2-27-24 FIGURE 3/5-134 | Department of the Air Force (USA) |
| 5Y0231SI2 PRIMARY | Thermo Electric Company Inc. Dba Thermo Electric Company (USA) |
| 5B0231S | Thermo Electric Company Inc. Dba Thermo Electric Company (USA) |
| 5A02S | Thermo Electric Company Inc. Dba Thermo Electric Company (USA) |
| 532923 | Department of the Air Force (USA) |
NSN 6685-00-691-0979 is a Thermocouple,immersion, manufactured by Thermo Electric Company Inc. Dba Thermo Electric Company, classified under FSC 6685 (No Item Name Available). Status: cancelled.
NSN 6685-00-691-0979 has 6 cross-referenced part numbers: 532923 (Teledyne Industries Inc Teledyne Power Systems Div), T.O.33A2-2-27-24 FIGURE 3/5-134 (Department of the Air Force), 5Y0231SI2 (Thermo Electric Company Inc. Dba Thermo Electric Company), 5B0231S (Thermo Electric Company Inc. Dba Thermo Electric Company), 5A02S (Thermo Electric Company Inc. Dba Thermo Electric Company) and 1 more.
There are 3 known substitutes for 6685-00-691-0979: 4730-00-915-9791, 5330-00-922-6297, 2930-01-430-7299. Verify interchangeability with system specifications before substitution.
Key specifications for 5Y0231SI2: Immersion Length: 2.000 INCHES NOMINAL IN; Mounting Facility Screw Thread Series Designator: NPT; Terminal Type and Quantity: 2 SCREW; Material: CERAMIC INDIVIDUAL WIRE INSULATION. 8 total characteristics are documented in the Federal Logistics Information System.
NSN 6685-00-691-0979 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.