PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21700-5Transducer,temp

Rdf Corporation · NSN 1680-01-621-6744 · FSC 1680 · No Item Name Available
Verified by PartsTable
NSN 1680-01-621-6744 — this item is cataloged by the U.S. Government under National Stock Number 1680-01-621-6744. Primary manufacturer part number: 21700-5.
Features
  • Transducer,temp — FSC 1680
  • 1 verified cross-reference
  • Primary manufacturer: Rdf Corporation
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transducer,temp, cataloged under National Stock Number 1680-01-621-6744, is classified within Federal Supply Class 1680 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Rdf Corporation. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameTransducer,temp
FSC / FSG1680 — No Item Name Available (FSG 16)
ManufacturersRdf Corporation (CAGE 02009)
Technical Specifications
ParameterValue
NSN1680-01-621-6744
Primary Part Number21700-5
Item NameTransducer,temp
FSC / FSG1680 / 16 — No Item Name Available
ManufacturerRdf Corporation
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5920-01-362-3422GDB-5A INTERCHANGEABLE
Fuse,cartridge
Cooper Bussmann, Llc Dba Cooper Industries
6685-01-368-7059 INTERCHANGEABLE
Thermocouple,immersion
5920-01-686-7565217005 INTERCHANGEABLE
Fuse,cartridge
National Weather Service Dba National Weather Service Ohd1 Div Office of Operational Systems
Cross-Reference Index
Part NumberManufacturer
21700-5 PRIMARY Rdf Corporation (USA)
Related Parts
5920-01-362-3422INTERCHANGEABLE
FUSE,CARTRIDGE
GDB-5A
6685-01-368-7059INTERCHANGEABLE
THERMOCOUPLE,IMMERSION
5920-01-686-7565INTERCHANGEABLE
FUSE,CARTRIDGE
217005

Frequently Asked Questions

What is NSN 1680-01-621-6744?

NSN 1680-01-621-6744 is a Transducer,temp, manufactured by Rdf Corporation, classified under FSC 1680 (No Item Name Available). Status: active.

What are the part numbers for NSN 1680-01-621-6744?

NSN 1680-01-621-6744 has 1 cross-referenced part number: 21700-5 (Rdf Corporation).

What NSN replaces 1680-01-621-6744?

There are 3 known substitutes for 1680-01-621-6744: 5920-01-362-3422, 6685-01-368-7059, 5920-01-686-7565. Verify interchangeability with system specifications before substitution.

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