PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21019Thermometer,self-Indicating

Tycos Instruments Inc a Welch Allyn Co · NSN 6685-01-416-6936 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-01-416-6936 — this item is cataloged by the U.S. Government under National Stock Number 6685-01-416-6936. Primary manufacturer part number: 21019.
Features
  • Thermometer,self-Indicating — FSC 6685
  • 1 verified cross-reference
  • Primary manufacturer: Tycos Instruments Inc a Welch Allyn Co
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Thermometer,self-Indicating, cataloged under National Stock Number 6685-01-416-6936, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Tycos Instruments Inc a Welch Allyn Co. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameThermometer,self-Indicating
FSC / FSG6685 — No Item Name Available (FSG 66)
ManufacturersTycos Instruments Inc a Welch Allyn Co (CAGE 21518)
Technical Specifications
ParameterValue
NSN6685-01-416-6936
Primary Part Number21019
Item NameThermometer,self-Indicating
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerTycos Instruments Inc a Welch Allyn Co
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5945-00-079-038121-019 INTERCHANGEABLE
Relay,electromagnetic
Te Connectivity Corporation
3930-00-134-9353 INTERCHANGEABLE
Brake Assembly,ser
5945-00-199-567821-019 INTERCHANGEABLE
Relay,electromagnetic
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple
5905-00-770-9440210-19 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
Keysight Technologies Inc
5120-00-957-379821019 INTERCHANGEABLE
Syringe,solder Removal
Allen Tool and Mfg
5940-00-983-6155 INTERCHANGEABLE
Terminal Board
5360-01-149-44312-1019 INTERCHANGEABLE
Spring,helical,compression
Malabar
4820-01-159-090616196 INTERCHANGEABLE
Stem,fluid Valve
Aerco International, Inc. Dba Aerco International Inc
4820-01-162-714621019PC15A PART 11071 INTERCHANGEABLE
Diaphragm,actuator Valve,special
Aerco International, Inc. Dba Aerco International Inc
5962-01-330-162574C20N INTERCHANGEABLE
Microcircuit,digital
Texas Instruments Incorporated
Cross-Reference Index
Part NumberManufacturer
21019 Tycos Instruments Inc a Welch Allyn Co (USA)
Related Parts
5945-00-079-0381INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
21-019
3930-00-134-9353INTERCHANGEABLE
BRAKE ASSEMBLY,SER
5945-00-199-5678INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
21-019
5905-00-770-9440INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
210-19
5120-00-957-3798INTERCHANGEABLE
SYRINGE,SOLDER REMOVAL
21019
5940-00-983-6155INTERCHANGEABLE
TERMINAL BOARD
5360-01-149-4431INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
2-1019
4820-01-159-0906INTERCHANGEABLE
STEM,FLUID VALVE
16196
4820-01-162-7146INTERCHANGEABLE
DIAPHRAGM,ACTUATOR VALVE,SPECIAL
21019PC15A PART 11071
5962-01-330-1625INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
74C20N
5985-01-338-1560INTERCHANGEABLE
ANTENNA
21019
6105-01-425-8742INTERCHANGEABLE
MOTOR,ALTERNATING CURRENT

Frequently Asked Questions

What is NSN 6685-01-416-6936?

NSN 6685-01-416-6936 is a Thermometer,self-Indicating, manufactured by Tycos Instruments Inc a Welch Allyn Co, classified under FSC 6685 (No Item Name Available). Status: active.

What are the part numbers for NSN 6685-01-416-6936?

NSN 6685-01-416-6936 has 1 cross-referenced part number: 21019 (Tycos Instruments Inc a Welch Allyn Co).

What NSN replaces 6685-01-416-6936?

There are 12 known substitutes for 6685-01-416-6936: 5945-00-079-0381, 3930-00-134-9353, 5945-00-199-5678 and 9 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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