Probe, Humidity-Temperature6685-01-645-5828

NSN 6685-01-645-5828 · NIIN 016455828 · Part number 5665-P

Hart Scientific Llc · FSC 6685 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments · FSG 66 — Instruments and Laboratory Equipment · CAGE 64841

Government record, cited

NSN 6685-01-645-5828 — this item is cataloged by the U.S. Government under National Stock Number 6685-01-645-5828. Manufacturer of record part number: 5665-P.

Also searched as 6685-01-645-5828 · 6685016455828 · NIIN 016455828 · 01-645-5828 · FSC 6685 Pressure, Temperature, and Humidity Measuring and Controlling Instruments · CAGE 64841 · 5665-P

Nearby stock numbers ← 6685-01-645-5509 Gage, Compound Pressure-Vacuum-Te · 6685-01-645-6208 Thermometer, Indicating, Capillary →

Features

Probe,humidity-Temperature — FSC 6685
Overall Diameter: 0.125 INCHES NOMINAL IN
Physical Form: STRAIGHT
Operating Temp Range: +0.0 TO 100.0 CELSIUS DEGC
Material: STEEL CORROSION RESISTING
1 manufacturer part number on file
Manufacturer of record: Hart Scientific Llc

Identification

NSN: 6685-01-645-5828
NIIN: 016455828
FSC: 6685 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments
FSG: 66 — Instruments and Laboratory Equipment
Primary part number: 5665-P
Manufacturer: Hart Scientific Llc

General Description

The Probe,humidity-Temperature, cataloged under National Stock Number 6685-01-645-5828, 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 Hart Scientific Llc. Government technical data includes 4 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. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	6685-01-645-5828
Primary Part Number	5665-P
Item Name	Probe,humidity-Temperature
FSC / FSG	6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments
Manufacturer	Hart Scientific Llc
Status	ACTIVE
Overall Diameter	0.125 INCHES NOMINAL IN
Physical Form	STRAIGHT
Operating Temp Range	+0.0 TO 100.0 CELSIUS DEGC
Material	STEEL CORROSION RESISTING

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	Possible hazard — SDS may be required (DLA HMIC P)
Criticality Code	X

Cross-Reference Index

Part Number	Manufacturer
5665-P PRIMARY	Hart Scientific Llc (USA)

Frequently Asked Questions

What is NSN 6685-01-645-5828?

NSN 6685-01-645-5828 is a Probe,humidity-Temperature, manufactured by Hart Scientific Llc, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.

What part numbers are listed for NSN 6685-01-645-5828?

NSN 6685-01-645-5828 has 1 manufacturer part number on file: 5665-P (Hart Scientific Llc).

What are the specifications of 5665-P?

Key specifications for 5665-P: Overall Diameter: 0.125 INCHES NOMINAL IN; Overall Length: 243.0 INCHES NOMINAL IN; Physical Form: STRAIGHT; Special Features: 20 FT CABLE LENGTH WITH 3 IN PROBE IN. 4 specifications are documented in the U.S. Government catalog.

Is NSN 6685-01-645-5828 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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