The Thermocouple,immersion, cataloged under National Stock Number 6685-00-031-6408, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Unison Industries Llc. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 6685-00-031-6408 |
| Primary Part Number | 6488 |
| Item Name | Thermocouple,immersion |
| FSC / FSG | 6685 / 66 — No Item Name Available |
| Manufacturer | Unison Industries Llc |
| Status | CANCELLED |
| Terminal Type and Quantity | 2 LUG |
| Immersion Length | 3.000 INCHES NOMINAL IN |
| Operating Temp Range | +67.0 TO 1800.0 FAHRENHEIT DEGF |
| Unit Type | SHIELDED |
| Material | CERAMIC ALUMINA (USE ALUMINUM OXIDE) INDIVIDUAL WIRE INSULATION |
| Plate Length | 2.000 INCHES NOMINAL IN |
| Accommodated Wire Awg Size | 18 |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 6488 PRIMARY | Unison Industries Llc (USA) |
| 181796 | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| 231047 | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| 6488 | Unison Industries, Llc Dba Unison Industries Inc (USA) |
| 231047 | Colt Industries Operating Corp Pratt and Whitney Machine Tool Div |
| 181796 | Royal Oak Gage, Inc (USA) |
| 759439 | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
NSN 6685-00-031-6408 is a Thermocouple,immersion, manufactured by Unison Industries Llc, classified under FSC 6685 (No Item Name Available). Status: cancelled.
NSN 6685-00-031-6408 has 7 cross-referenced part numbers: 6488 (Unison Industries Llc), 181796 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 231047 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 6488 (Unison Industries, Llc Dba Unison Industries Inc), 231047 (Colt Industries Operating Corp Pratt and Whitney Machine Tool Div) and 2 more.
There are 7 known substitutes for 6685-00-031-6408: 6620-00-115-2501, 5360-00-127-2688, 3110-00-155-7320 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for 6488: Terminal Type and Quantity: 2 LUG; Immersion Length: 3.000 INCHES NOMINAL IN; Operating Temp Range: +67.0 TO 1800.0 FAHRENHEIT DEGF; Unit Type: SHIELDED. 9 total characteristics are documented in the Federal Logistics Information System.
NSN 6685-00-031-6408 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.