Thermometer, Indicating, Capillary6685-01-211-8998

NSN 6685-01-211-8998 · NIIN 012118998 · Part number 45-T8478K-52E-000-0100-20-240F

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 6685-01-211-8998 — this item is cataloged by the U.S. Government under National Stock Number 6685-01-211-8998. Manufacturer of record part number: 45-T8478K-52E-000-0100-20-240F.

Also searched as 6685-01-211-8998 · 6685012118998 · NIIN 012118998 · 01-211-8998 · FSC 6685 Pressure, Temperature, and Humidity Measuring and Controlling Instruments · CAGE 38056 · 45-T8478K-52E-000-0100-20-240F

Nearby stock numbers ← 6685-01-211-8997 Thermometer, Self-Indicating, Bime · 6685-01-211-8999 Thermometer, Indicating, Capillary →

Features

Thermometer,indicating,capillary — FSC 6685
Flexible Tube Length: 120.000 INCHES NOMINAL IN
Bulb Type: FLEXIBLE EXTENSION PLAIN
Active Portion Diameter: 0.219 INCHES NOMINAL IN
Bulb Connection Type: UNION
Dial Diameter: 4.500 INCHES NOMINAL IN
Indicator Connection Method: FLEXIBLE TUBE
Style Designator: BULB W/O SOCKET

Identification

NSN: 6685-01-211-8998
NIIN: 012118998
FSC: 6685 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments
FSG: 66 — Instruments and Laboratory Equipment
Primary part number: 45-T8478K-52E-000-0100-20-240F
Manufacturer: Ashcroft Inc Dba Heise

General Description

The Thermometer,indicating,capillary, cataloged under National Stock Number 6685-01-211-8998, 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 17 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	6685-01-211-8998
Primary Part Number	45-T8478K-52E-000-0100-20-240F
Item Name	Thermometer,indicating,capillary
FSC / FSG	6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments
Manufacturer	Ashcroft Inc Dba Heise
Status	ACTIVE
Flexible Tube Length	120.000 INCHES NOMINAL IN
Bulb Type	FLEXIBLE EXTENSION PLAIN
Active Portion Diameter	0.219 INCHES NOMINAL IN
Bulb Connection Type	UNION
Dial Diameter	4.500 INCHES NOMINAL IN
Indicator Connection Method	FLEXIBLE TUBE
Style Designator	BULB W/O SOCKET
Case Diameter	5.750 INCHES NOMINAL IN
Actuating Medium	GAS
Pointer/pen Type and Quantity	1 INDICATING SINGLE
Active Portion Length	2.000 INCHES NOMINAL IN
Scale Type	DIAL
Scale Measurement Range	+20.000 TO 240.000 DEG FAHRENHEIT
Bulb Quantity	1
Bulb Tip Length	2.000 INCHES NOMINAL IN
Bulb Style	PLAIN BULB W/BENDABLE EXTENSION
Material	ALUMINUM METER CASE

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
45-T8478K-52E-000-0100-20-240F PRIMARY	Ashcroft Inc Dba Heise (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 6685-01-211-8998?

NSN 6685-01-211-8998 is a Thermometer,indicating,capillary, 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 6685-01-211-8998?

NSN 6685-01-211-8998 has 1 manufacturer part number on file: 45-T8478K-52E-000-0100-20-240F (Ashcroft Inc Dba Heise).

What are the specifications of 45-T8478K-52E-000-0100-20-240F?

Key specifications for 45-T8478K-52E-000-0100-20-240F: Flexible Tube Length: 120.000 INCHES NOMINAL IN; Bulb Type: FLEXIBLE EXTENSION PLAIN; Active Portion Diameter: 0.219 INCHES NOMINAL IN; Bulb Connection Type: UNION. 17 specifications are documented in the U.S. Government catalog.

Is NSN 6685-01-211-8998 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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