PartsTable TECHNICAL DATA SHEET
NSN 6685-01-650-1810Government record, cited

Thermometer-Hygrometer6685-01-650-1810

NSN 6685-01-650-1810 · NIIN 016501810 · Part number RHT10
Extech Instruments · FSC 6685 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments · FSG 66 — Instruments and Laboratory Equipment · CAGE 0LTF4
Government record, cited
NSN 6685-01-650-1810 — this item is cataloged by the U.S. Government under National Stock Number 6685-01-650-1810. Manufacturer of record part number: RHT10.
Also searched as  6685-01-650-1810 · 6685016501810 · NIIN 016501810 · 01-650-1810 · FSC 6685 Pressure, Temperature, and Humidity Measuring and Controlling Instruments · CAGE 0LTF4 · RHT10
Nearby stock numbers  ·
Features
  • Thermometer-Hygrometer — FSC 6685
  • 1 manufacturer part number on file
  • Manufacturer of record: Extech Instruments
Identification
  • NSN: 6685-01-650-1810
  • NIIN: 016501810
  • FSC: 6685 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments
  • FSG: 66 — Instruments and Laboratory Equipment
  • Primary part number: RHT10
  • Manufacturer: Extech Instruments
General Description

The Thermometer-Hygrometer, cataloged under National Stock Number 6685-01-650-1810, 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 Extech Instruments. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6685-01-650-1810
Primary Part NumberRHT10
Item NameThermometer-Hygrometer
FSC / FSG6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments
ManufacturerExtech Instruments
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardPossible hazard — SDS may be required (DLA HMIC P)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
RHT10 PRIMARY Extech Instruments (USA)
No interchangeability data on file.
Other items in FSC 6685 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
6685-00-001-1475
6685-00-001-1475 · Item name not on file
6685-00-001-1503
CONTROL,TOTALIZER
6685-00-001-1643
6685-00-001-1643 · Item name not on file
6685-00-001-1711
GAGE,PRESSURE,DIAL INDICATING
6685-00-001-2099
6685-00-001-2099 · Item name not on file
6685-00-001-2100
6685-00-001-2100 · Item name not on file
6685-00-001-2101
6685-00-001-2101 · Item name not on file
6685-00-001-2102
6685-00-001-2102 · Item name not on file

Frequently Asked Questions

What is NSN 6685-01-650-1810?

NSN 6685-01-650-1810 is a Thermometer-Hygrometer, manufactured by Extech Instruments, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.

What part numbers are listed for NSN 6685-01-650-1810?

NSN 6685-01-650-1810 has 1 manufacturer part number on file: RHT10 (Extech Instruments).

What are the specifications of RHT10?

Key specifications for RHT10: Special Features: TEMPERATURE USB DATALOG; TEMPERATURE READING (UP TO 16,000 EACH) WITH USER PROGRAM SAMPLE RATES FROM 2 SECONDS UP TO 24 HOURS A DAY, WEEK, MONTH; 3.6 VOLT LITHIUM BATTERY, PROTECTION USB CAP; Part Name Assigned by Controlling Agency: EXTECH INSTRUMENTS EXTECH RHT10 HUMIDITY AND TEMPERATURE USB DATALOGGER (793950440100). 0 specifications are documented in the U.S. Government catalog.

Is NSN 6685-01-650-1810 hazardous material?

Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

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.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
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