The Pyrometer,indicating, cataloged under National Stock Number 6685-00-490-2494, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Leeds and Northrup Co a Unit of General Signal Corp. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-00-490-2494 |
| Primary Part Number | 8658N |
| Item Name | Pyrometer,indicating |
| FSC / FSG | 6685 / 66 — No Item Name Available |
| Manufacturer | Leeds and Northrup Co a Unit of General Signal Corp |
| Status | ACTIVE |
| Features Provided | DRY CELL BATTERYDRY CELL BATTERY |
| Pointer/pen Type and Quantity | 1 INDICATING SINGLE |
| Scale Type | HORIZONTAL |
| Material | WOOD CARRYING CASE |
| Scale Length | 12.000 INCHES NOMINAL12.000 INCHES NOMINAL IN |
| Case Type | HINGED LID CARRYING CASE W/HANDLEHINGED LID CARRYING CASE W/HANDLE |
| Measurement Type | POTENTIOMETER CIRCUITPOTENTIOMETER CIRCUIT |
| Scale Calibration | CALIBRATED TO CHROMEL AND ALUMEL THERMOCOUPLE |
| Scale Smallest Increment | 20.0 DEG FAHRENHEIT |
| Scale Accuracy Rating | 0.30 PERCENT ACCURACY RATING0.30 PERCENT ACCURACY RATING |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 8658N | Leeds and Northrup Co a Unit of General Signal Corp (USA) |
NSN 6685-00-490-2494 is a Pyrometer,indicating, manufactured by Leeds and Northrup Co a Unit of General Signal Corp, classified under FSC 6685 (No Item Name Available). Status: active.
NSN 6685-00-490-2494 has 1 cross-referenced part number: 8658N (Leeds and Northrup Co a Unit of General Signal Corp).
There is 1 known substitute for 6685-00-490-2494: 2990-01-025-1517. Verify interchangeability with system specifications before substitution.
Key specifications for 8658N: Features Provided: DRY CELL BATTERYDRY CELL BATTERY; Pointer/pen Type and Quantity: 1 INDICATING SINGLE; Scale Type: HORIZONTAL; Overall Length: 9.500 INCHES NOMINAL9.500 INCHES NOMINAL IN. 13 total characteristics are documented in the Federal Logistics Information System.