PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21413-1Thermometer,self-Indicating

Figgie International Inc Taylor Environmental Instruments Div · NSN 6685-00-527-7435 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-527-7435 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-527-7435. Primary manufacturer part number: 21413-1.
Features
  • Thermometer,self-Indicating — FSC 6685
  • Style Designator: IMMERSION RING TOP
  • Material: NICKEL METER CASE
  • Scale Accuracy Rating: PORM 1-1/2 DEG F THROUGHOUT RANGE OF SCALEPORM 1-1/2 DEG F THROUGHOUT RANGE OF SCALE DEGF
  • Design Type: FLUCTUATINGFLUCTUATING
  • Securing Device Type: CLIPCLIP
  • Scale Type: ETCHED STEMETCHED STEM
  • Scale Measurement Range: -50.000 TO 120.000 DEG FAHRENHEIT-50.000 TO 120.000 DEG FAHRENHEIT
Applications
  • Applications requiring Nickel Meter Case construction
General Description

The Thermometer,self-Indicating, cataloged under National Stock Number 6685-00-527-7435, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Figgie International Inc Taylor Environmental Instruments Div. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6685-00-527-7435
Primary Part Number21413-1
Item NameThermometer,self-Indicating
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerFiggie International Inc Taylor Environmental Instruments Div
StatusACTIVE
Style DesignatorIMMERSION RING TOP
MaterialNICKEL METER CASE
Scale Accuracy RatingPORM 1-1/2 DEG F THROUGHOUT RANGE OF SCALEPORM 1-1/2 DEG F THROUGHOUT RANGE OF SCALE DEGF
Design TypeFLUCTUATINGFLUCTUATING
Securing Device TypeCLIPCLIP
Scale TypeETCHED STEMETCHED STEM
Scale Measurement Range-50.000 TO 120.000 DEG FAHRENHEIT-50.000 TO 120.000 DEG FAHRENHEIT
Features ProvidedLENS MAGNIFYING FRONTLENS MAGNIFYING FRONT
Scale Smallest Increment2.0 DEG FAHRENHEIT2.0 DEG FAHRENHEIT
Actuating MediumLIQUIDLIQUID
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5999-00-035-798221-413 INTERCHANGEABLE
Contact,electrical
Eaton Corp Opns & Technical Center
3110-00-156-18972913 INTERCHANGEABLE
Bearing,ball,thrust
Skf Usa Inc.
5970-00-616-63392-141-3 INTERCHANGEABLE
Insulator Rotating
Precision Aerospace Corporation Dba Precision Engine Control
6210-01-017-802221413 INTERCHANGEABLE
Light,indicator
Noske-Kaeser Germany Gmbh
5330-01-137-781321413 INTERCHANGEABLE
Seal,nonmetallic Channel
Smiths Aerospace, Inc., Electronic Systems-Grand Rapids
4720-01-222-557321413 INTERCHANGEABLE
Hose,preformed
Gates Corporation
5360-01-245-050421413 INTERCHANGEABLE
Spring,conn Link
Elbitamerica, Inc.
3110-01-457-8745214-13 INTERCHANGEABLE
Cup,tapered Roller Bearing
Aircraft Wheel and Brake, Llc Dba Cleveland Wheel and Brake Systems
Cross-Reference Index
Part NumberManufacturer
21413 Tycos Instruments Inc a Welch Allyn Co (USA)
21413-1 PRIMARY Figgie International Inc Taylor Environmental Instruments Div (USA)
Related Parts
5999-00-035-7982INTERCHANGEABLE
CONTACT,ELECTRICAL
21-413
3110-00-156-1897INTERCHANGEABLE
BEARING,BALL,THRUST
2913
5970-00-616-6339INTERCHANGEABLE
INSULATOR ROTATING
2-141-3
6210-01-017-8022INTERCHANGEABLE
LIGHT,INDICATOR
21413
5330-01-137-7813INTERCHANGEABLE
SEAL,NONMETALLIC CHANNEL
21413
4720-01-222-5573INTERCHANGEABLE
HOSE,PREFORMED
21413
5360-01-245-0504INTERCHANGEABLE
SPRING,CONN LINK
21413
3110-01-457-8745INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
214-13

Frequently Asked Questions

What is NSN 6685-00-527-7435?

NSN 6685-00-527-7435 is a Thermometer,self-Indicating, manufactured by Figgie International Inc Taylor Environmental Instruments Div, classified under FSC 6685 (No Item Name Available). Status: active.

What are the part numbers for NSN 6685-00-527-7435?

NSN 6685-00-527-7435 has 2 cross-referenced part numbers: 21413 (Tycos Instruments Inc a Welch Allyn Co), 21413-1 (Figgie International Inc Taylor Environmental Instruments Div).

What NSN replaces 6685-00-527-7435?

There are 8 known substitutes for 6685-00-527-7435: 5999-00-035-7982, 3110-00-156-1897, 5970-00-616-6339 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21413-1?

Key specifications for 21413-1: Style Designator: IMMERSION RING TOP; Material: NICKEL METER CASE; Scale Accuracy Rating: PORM 1-1/2 DEG F THROUGHOUT RANGE OF SCALEPORM 1-1/2 DEG F THROUGHOUT RANGE OF SCALE DEGF; Design Type: FLUCTUATINGFLUCTUATING. 11 total characteristics are documented in the Federal Logistics Information System.

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