The Thermostat,flow Control, cataloged under National Stock Number 6685-00-050-7721, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Navistar Intl Corp Truck Br Ohio Plant. Government technical data includes 9 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 6685-00-050-7721 |
| Primary Part Number | 308428C91 |
| Item Name | Thermostat,flow Control |
| FSC / FSG | 6685 / 66 — No Item Name Available |
| Manufacturer | Navistar Intl Corp Truck Br Ohio Plant |
| Status | CANCELLED |
| Operating Temp Rating | 185.0 FAHRENHEIT NOMINAL DEGF |
| Usage Design | CONTROL RADIATOR SHUTTER |
| Opening Temp Rating | 162.0 FAHRENHEIT MINIMUM AND 178.0 FAHRENHEIT MAXIMUM DEGF |
| Thread Size and Series/type Designator | 5/8-24 UNEF |
| Thermostat Type | SOLID EXPANSION |
| Valve Travel Distance | 0.625 INCHES NOMINAL IN |
| Largest Outside Diameter | 1.875 INCHES NOMINAL IN |
| Spring Operated Pressure Relief | NOT PROVIDED |
| Mounting Method | THREADED |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 379 | Evans Tempcon Michigan, Llc (USA) |
| 333-5 | Evans Tempcon Michigan, Llc (USA) |
| 3411B | Evans Tempcon Michigan, Llc (USA) |
| CA030088 | Evans Tempcon Michigan, Llc (USA) |
| 308428C91 PRIMARY | Navistar Intl Corp Truck Br Ohio Plant (USA) |
| 308428C91 | Navistar International Corporation Dba Navistar (USA) |
NSN 6685-00-050-7721 is a Thermostat,flow Control, manufactured by Navistar Intl Corp Truck Br Ohio Plant, classified under FSC 6685 (No Item Name Available). Status: cancelled.
NSN 6685-00-050-7721 has 6 cross-referenced part numbers: 379 (Evans Tempcon Michigan, Llc), 333-5 (Evans Tempcon Michigan, Llc), 3411B (Evans Tempcon Michigan, Llc), CA030088 (Evans Tempcon Michigan, Llc), 308428C91 (Navistar Intl Corp Truck Br Ohio Plant) and 1 more.
There are 12 known substitutes for 6685-00-050-7721: 5310-00-010-3319, 5935-00-023-9693, 4820-00-111-3232 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 308428C91: Overall Height: 2.875 INCHES NOMINAL IN; Operating Temp Rating: 185.0 FAHRENHEIT NOMINAL DEGF; Usage Design: CONTROL RADIATOR SHUTTER; Opening Temp Rating: 162.0 FAHRENHEIT MINIMUM AND 178.0 FAHRENHEIT MAXIMUM DEGF. 10 total characteristics are documented in the Federal Logistics Information System.
NSN 6685-00-050-7721 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.