PartsTable TECHNICAL DATA SHEET

NSN 6685-01-270-8599Government record, cited

Thermometer, Self-Indicating, Bime6685-01-270-8599

NSN 6685-01-270-8599 · NIIN 012708599 · Part number 20CI60R025 -80/120F

Ashcroft Inc Dba Heise · FSC 6685 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments · FSG 66 — Instruments and Laboratory Equipment · CAGE 38056

Government record, cited

NSN 6685-01-270-8599 — this item is cataloged by the U.S. Government under National Stock Number 6685-01-270-8599. Manufacturer of record part number: 20CI60R025 -80/120F.

Also searched as 6685-01-270-8599 · 6685012708599 · NIIN 012708599 · 01-270-8599 · FSC 6685 Pressure, Temperature, and Humidity Measuring and Controlling Instruments · CAGE 38056 · 20CI60R025 -80/120F · 20CI60R-025-M80/120

Nearby stock numbers ← 6685-01-270-8346 Gage, Vacuum, Indicating · 6685-01-270-8609 Gage, Pressure, Dial Indicating →

Features

Thermometer,self-Indicating,bime — FSC 6685
Stem Length: 2.500 INCHES NOMINAL IN
Design Type: FLUCTUATING
Dial Diameter: 1.000 INCHES NOMINAL IN
Style Designator: STRAIGHT FORM, HORIZONTAL DIAL
Scale Type: DIAL
Scale Measurement Range: -80.000 TO 120.000 DEG FAHRENHEIT
Material: STEEL OVERALL

Identification

NSN: 6685-01-270-8599
NIIN: 012708599
FSC: 6685 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments
FSG: 66 — Instruments and Laboratory Equipment
Primary part number: 20CI60R025 -80/120F
Manufacturer: Ashcroft Inc Dba Heise

General Description

The Thermometer,self-Indicating,bime, cataloged under National Stock Number 6685-01-270-8599, 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 Ashcroft Inc Dba Heise. Government technical data includes 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.

Technical Specifications

Parameter	Value
NSN	6685-01-270-8599
Primary Part Number	20CI60R025 -80/120F
Item Name	Thermometer,self-Indicating,bime
FSC / FSG	6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments
Manufacturer	Ashcroft Inc Dba Heise
Status	ACTIVE
Stem Length	2.500 INCHES NOMINAL IN
Design Type	FLUCTUATING
Dial Diameter	1.000 INCHES NOMINAL IN
Style Designator	STRAIGHT FORM, HORIZONTAL DIAL
Scale Type	DIAL
Scale Measurement Range	-80.000 TO 120.000 DEG FAHRENHEIT
Material	STEEL OVERALL

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
20CI60R025 -80/120F PRIMARY	Ashcroft Inc Dba Heise (USA)

Reference documents

Reference	Meaning
20CI60R-025-M80/120	5/9 Secondary reference Ashcroft Inc Dba Heise

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 6685-01-270-8599?

NSN 6685-01-270-8599 is a Thermometer,self-Indicating,bime, manufactured by Ashcroft Inc Dba Heise, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.

What part numbers are listed for NSN 6685-01-270-8599?

NSN 6685-01-270-8599 has 1 manufacturer part number on file: 20CI60R025 -80/120F (Ashcroft Inc Dba Heise).

What are the specifications of 20CI60R025 -80/120F?

Key specifications for 20CI60R025 -80/120F: Stem Length: 2.500 INCHES NOMINAL IN; Design Type: FLUCTUATING; Dial Diameter: 1.000 INCHES NOMINAL IN; Style Designator: STRAIGHT FORM, HORIZONTAL DIAL. 7 specifications are documented in the U.S. Government catalog.

Is NSN 6685-01-270-8599 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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