PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21700-7Detector,temperature

Rdf Corporation · NSN 6685-01-429-2715 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-01-429-2715 — this item is cataloged by the U.S. Government under National Stock Number 6685-01-429-2715. Primary manufacturer part number: 21700-7.
Features
  • Detector,temperature — FSC 6685
  • Criticality Code Justification: ZZZY
  • Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVAL INVENTORY CONTROL POINT, MECHANICSBURG, ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS
  • 2 verified cross-references
  • Primary manufacturer: Rdf Corporation
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Detector,temperature, cataloged under National Stock Number 6685-01-429-2715, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Rdf Corporation. Government technical data includes 2 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6685-01-429-2715
Primary Part Number21700-7
Item NameDetector,temperature
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerRdf Corporation
StatusACTIVE
Criticality Code JustificationZZZY
Reference Number Differentiating CharacteristicsMATERIAL WILL BE IN ACCORDANCE WITH NAVAL INVENTORY CONTROL POINT, MECHANICSBURG, ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
6685-01-393-9024 INTERCHANGEABLE
Thermocouple,immersion
5365-01-490-0420217007 INTERCHANGEABLE
Spacer,sleeve
Cummins Inc.
6685-01-589-479511914653 INTERCHANGEABLE
Detector,resistance Temperature
Fairbanks Morse, Llc
Cross-Reference Index
Part NumberManufacturer
21700-7 Rdf Corporation (USA)
11914653 Coltec Industries Inc. Dba Fairbanks Morse Engine Div Fairbanks Morse Engine (USA)
Related Parts
6685-01-393-9024INTERCHANGEABLE
THERMOCOUPLE,IMMERSION
5365-01-490-0420INTERCHANGEABLE
SPACER,SLEEVE
217007
6685-01-589-4795INTERCHANGEABLE
DETECTOR,RESISTANCE TEMPERATURE
11914653

Frequently Asked Questions

What is NSN 6685-01-429-2715?

NSN 6685-01-429-2715 is a Detector,temperature, manufactured by Rdf Corporation, classified under FSC 6685 (No Item Name Available). Status: active.

What are the part numbers for NSN 6685-01-429-2715?

NSN 6685-01-429-2715 has 2 cross-referenced part numbers: 21700-7 (Rdf Corporation), 11914653 (Coltec Industries Inc. Dba Fairbanks Morse Engine Div Fairbanks Morse Engine).

What NSN replaces 6685-01-429-2715?

There are 3 known substitutes for 6685-01-429-2715: 6685-01-393-9024, 5365-01-490-0420, 6685-01-589-4795. Verify interchangeability with system specifications before substitution.

What are the specifications of 21700-7?

Key specifications for 21700-7: Criticality Code Justification: ZZZY; Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVAL INVENTORY CONTROL POINT, MECHANICSBURG, ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS. 2 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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