PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

K25240-003 FAHRENHEITThermometer,indicating,capillary

Tempco Inc Dba Marshalltown Tempco · NSN 6685-00-023-1734 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-023-1734 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-023-1734. Primary manufacturer part number: K25240-003 FAHRENHEIT.
Features
  • Thermometer,indicating,capillary — FSC 6685
  • Indicator Connection Method: RIGID STEM
  • Bulb Quantity: 1
  • Scale Measurement Range: +30.000 TO 180.000 DEG FAHRENHEIT
  • Bulb Type: PLAIN RIGID
  • Material: BRASS BULB
  • Flexible Tube Length: 36.000 INCHES NOMINAL IN
  • Bulb Overall Length: 3.000 INCHES NOMINAL IN
Applications
  • Applications requiring Brass Bulb construction
General Description

The Thermometer,indicating,capillary, cataloged under National Stock Number 6685-00-023-1734, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Tempco Inc Dba Marshalltown Tempco. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 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
NSN6685-00-023-1734
Primary Part NumberK25240-003 FAHRENHEIT
Item NameThermometer,indicating,capillary
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerTempco Inc Dba Marshalltown Tempco
StatusACTIVE
Indicator Connection MethodRIGID STEM
Bulb Quantity1
Scale Measurement Range+30.000 TO 180.000 DEG FAHRENHEIT
Bulb TypePLAIN RIGID
MaterialBRASS BULB
Flexible Tube Length36.000 INCHES NOMINAL IN
Bulb Overall Length3.000 INCHES NOMINAL IN
Bulb StylePLAIN BULB
Style DesignatorPLAIN RIGID
Pointer/pen Type and Quantity1 INDICATING SINGLE
MaterialSTEEL METER CASE
Scale TypeCONCENTRIC DIAL
Actuating MediumVAPOR TENSION
Mounting Facility Type and Quantity1 SURFACE
Case TypeVAPORPROOF
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
6685-00-812-7832 INTERCHANGEABLE
Thermometer,indicating,capillary
6685-00-835-274457DFM0L417 INTERCHANGEABLE
Thermometer,indicating,capillary
Bellofram Corporation
6685-00-936-6040K25150 INTERCHANGEABLE
Thermometer,indicating,capillary
Tempco Inc Dba Marshalltown Tempco
Cross-Reference Index
Part NumberManufacturer
K25240-003 FAHRENHEIT PRIMARY Tempco Inc Dba Marshalltown Tempco (USA)
1584A44 Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA)
57DFM Desco Corp Marsh Bellofram Div (USA)
2-CAC-05500-AFG-001 Desco Corp Marsh Bellofram Div (USA)
Related Parts
6685-00-812-7832INTERCHANGEABLE
THERMOMETER,INDICATING,CAPILLARY
6685-00-835-2744INTERCHANGEABLE
THERMOMETER,INDICATING,CAPILLARY
57DFM0L417
6685-00-936-6040INTERCHANGEABLE
THERMOMETER,INDICATING,CAPILLARY
K25150

Frequently Asked Questions

What is NSN 6685-00-023-1734?

NSN 6685-00-023-1734 is a Thermometer,indicating,capillary, manufactured by Tempco Inc Dba Marshalltown Tempco, classified under FSC 6685 (No Item Name Available). Status: active.

What are the part numbers for NSN 6685-00-023-1734?

NSN 6685-00-023-1734 has 4 cross-referenced part numbers: K25240-003 FAHRENHEIT (Tempco Inc Dba Marshalltown Tempco), 1584A44 (Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace), 57DFM (Desco Corp Marsh Bellofram Div), 2-CAC-05500-AFG-001 (Desco Corp Marsh Bellofram Div).

What NSN replaces 6685-00-023-1734?

There are 3 known substitutes for 6685-00-023-1734: 6685-00-812-7832, 6685-00-835-2744, 6685-00-936-6040. Verify interchangeability with system specifications before substitution.

What are the specifications of K25240-003 FAHRENHEIT?

Key specifications for K25240-003 FAHRENHEIT: Indicator Connection Method: RIGID STEM; Bulb Quantity: 1; Scale Measurement Range: +30.000 TO 180.000 DEG FAHRENHEIT; Bulb Type: PLAIN RIGID. 16 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com