The Thermostat,flow Control, cataloged under National Stock Number 6685-01-453-2091, is classified within Federal Supply Class 6685 (Pressure, Temperature, and Humidity Measuring and Controlling Instruments) of the Instruments and Laboratory Equipment group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-01-453-2091 |
| Item Name | Thermostat,flow Control |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Status | ACTIVE |
| Purchase Description Identification | 04567-270116 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 270116 | 3/9 Design control — primary reference Mallinckrodt Inc Forma Scientific Div |
| LL-H43-6350 | 5/9 Secondary reference Naval Medical Material Support Command Detachment |
| REPAIR PART | 5/1 Secondary reference U.S. Government activity |
NSN 6685-01-453-2091 is a Thermostat,flow Control, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
Key specifications for 6685-01-453-2091: Purchase Description Identification: 04567-270116; Special Features: RANGE -16 TO -50; END ITEM APPLICATION FREEZER,BLOOD; MODEL 8997; Part Name Assigned by Controlling Agency: THERMOSTAT FLOW CONTROL-15 TO -50 DEG F E.I. FREEZER BLD MDL8997 DEGF. 1 specification is 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.