The Thermostat,flow Control, cataloged under National Stock Number 6685-01-586-8742, 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 Deere & Company Dba Deere John Co. Government technical data includes 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-01-586-8742 |
| Primary Part Number | DZ100553 |
| Item Name | Thermostat,flow Control |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Deere & Company Dba Deere John Co |
| Status | ACTIVE |
| Operating Temp Rating | 180.0 FAHRENHEIT MAXIMUM DEGF |
| Usage Design | RADIATOR |
| 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 |
|---|---|
| DZ100553 PRIMARY | Deere & Company Dba Deere John Co (USA) |
| Reference | Meaning |
|---|---|
| RE540550 | 5/9 Secondary reference Deere & Company Dba Deere John Co |
NSN 6685-01-586-8742 is a Thermostat,flow Control, manufactured by Deere & Company Dba Deere John Co, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-586-8742 has 1 manufacturer part number on file: DZ100553 (Deere & Company Dba Deere John Co).
Key specifications for DZ100553: Operating Temp Rating: 180.0 FAHRENHEIT MAXIMUM DEGF; Special Features: OUTSIDE DIA 2.125 INCHES NOM;FIT DIA MAX 1.808 INCHES NOM AND FIT DIA MIN 1.633 INCHES NOM;STROKE 0.327 INCHES;DEPTH 1.288 INCHES NOM;WEIGHT 0.22 LBS LBS; Part Name Assigned by Controlling Agency: THERMOSTAT; End Item Identification: 2320-01-558-5671, TRACTOR, MEDIUM, CRAWLER. 2 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.