The Thermocouple,immersion, cataloged under National Stock Number 6685-00-110-4869, is classified within Federal Supply Class 6685 (Pressure, Temperature, and Humidity Measuring and Controlling Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Alnor Instrument Company. Government technical data includes 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-00-110-4869 |
| Primary Part Number | 662-001-015-767A |
| Item Name | Thermocouple,immersion |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Alnor Instrument Company |
| Status | ACTIVE |
| Mounting Facility Screw Thread Series Designator | NPT |
| Mounting Thread Quantity | 14 PER INCH |
| Immersion Length | 5.125 INCHES NOMINAL IN |
| Mounting Facility Nominal Screw Thread Diameter | 0.500 INCHES IN |
| Unit Type | PROTECTIVE TUBE |
| Operating Temp Range | +0.0 TO 1400.0 FAHRENHEIT DEGF |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 662-001-015-767A PRIMARY | Alnor Instrument Company (USA) |
| Reference | Meaning |
|---|---|
| T1302 | 5/2 Secondary reference U.S. Government activity |
NSN 6685-00-110-4869 is a Thermocouple,immersion, manufactured by Alnor Instrument Company, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-00-110-4869 has 1 manufacturer part number on file: 662-001-015-767A (Alnor Instrument Company).
1 possible match (shared part number, not a government interchangeability claim): 5120-00-592-2699. Verify interchangeability with system specifications before substitution.
Key specifications for 662-001-015-767A: Mounting Facility Screw Thread Series Designator: NPT; Overall Length: 10.500 INCHES NOMINAL IN; Mounting Thread Quantity: 14 PER INCH; Immersion Length: 5.125 INCHES NOMINAL IN. 6 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.