The Thermostat,flow Control, cataloged under National Stock Number 6685-00-452-6120, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Napco International Llc Dba Napco International Inc. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 45 commercial cross-references from 25 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 | 6685-00-452-6120 |
| Primary Part Number | 1B6572 |
| Item Name | Thermostat,flow Control |
| FSC / FSG | 6685 / 66 — No Item Name Available |
| Manufacturer | Napco International Llc Dba Napco International Inc |
| Status | CANCELLED |
| Largest Outside Diameter | 2.547 INCHES MINIMUM AND 2.552 INCHES MAXIMUM IN |
| Usage Design | TO COOL ENGINE WATER |
| Valve Travel Distance | 0.313 INCHES MINIMUM IN |
| Opening Temp Rating | 157.0 FAHRENHEIT NOMINAL DEGF |
| Mounting Method | FLANGE |
| Flow Control Device | CHOKE |
| Spring Operated Pressure Relief | NOT PROVIDED |
| Thermostat Type | BELLOWS |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 1B6572 PRIMARY | Napco International Llc Dba Napco International Inc (USA) |
| BB17815 | Diamond Reo Truck Co (USA) |
| 11695 PRIMARY | Dresser Industries Inc Leroi Div (USA) |
| 867040 | Chrysler Realty Company Llc Dba Daimler Chrysler (USA) |
| 900K53 PRIMARY | Hyster-Yale Group, Inc. Dba Yale Materials Handling (USA) |
| 158A | Fulton Mfg Corp (USA) |
| 2E78 PRIMARY | Schneider Electric Systems Usa Inc (USA) |
| 3126550 | General Motors Corp (USA) |
| 854745 | Clark Equipment Co (USA) |
| 16 | Robertshaw Tennessee/cookeville Automotive (USA) |
| DTBB17815 | Diamond Reo Truck Co (USA) |
| 11770BS | Hercules Engine Co Inc (USA) |
| 95F PRIMARY | Schneider Electric Systems Usa Inc (USA) |
| 856537 | Chrysler Realty Company Llc Dba Daimler Chrysler (USA) |
| PU10-21-9200 | Us Army Aviation and Missile Command (USA) |
| 158A PRIMARY | Schneider Electric Systems Usa Inc (USA) |
| 867040 | Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp. (USA) |
| 3126550 | General Motors Llc Dba General Motors Llc (USA) |
| 867040 | Dana Off Highway Products, Llc (USA) |
| 2E125 PRIMARY | Schneider Electric Systems Usa Inc (USA) |
NSN 6685-00-452-6120 is a Thermostat,flow Control, manufactured by Napco International Llc Dba Napco International Inc, classified under FSC 6685 (No Item Name Available). Status: cancelled.
NSN 6685-00-452-6120 has 45 cross-referenced part numbers: 1B6572 (Napco International Llc Dba Napco International Inc), BB17815 (Diamond Reo Truck Co), 11695 (Dresser Industries Inc Leroi Div), 867040 (Chrysler Realty Company Llc Dba Daimler Chrysler), 900K53 (Hyster-Yale Group, Inc. Dba Yale Materials Handling) and 40 more.
There are 12 known substitutes for 6685-00-452-6120: 5950-00-007-3815, 3110-00-100-0705, 4130-00-100-3344 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 1B6572: Largest Outside Diameter: 2.547 INCHES MINIMUM AND 2.552 INCHES MAXIMUM IN; Usage Design: TO COOL ENGINE WATER; Valve Travel Distance: 0.313 INCHES MINIMUM IN; Opening Temp Rating: 157.0 FAHRENHEIT NOMINAL DEGF. 9 total characteristics are documented in the Federal Logistics Information System.
NSN 6685-00-452-6120 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.