PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

K25140Thermometer,indicating,capillary

Tempco Inc Dba Marshalltown Tempco · NSN 6685-00-006-7915 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-006-7915 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-006-7915. Primary manufacturer part number: K25140.
Features
  • Thermometer,indicating,capillary — FSC 6685
  • Bulb Quantity: 1
  • Actuating Medium: VAPOR TENSION
  • Bulb Type: PLAIN RIGID
  • Bulb Style: PLAIN BULB
  • Pointer/pen Type and Quantity: 1 INDICATING SINGLE
  • Active Portion Diameter: 0.438 INCHES NOMINAL IN
  • Flexible Tube Length: 72.000 INCHES NOMINAL IN
Applications
  • Applications requiring Steel Meter Case construction
General Description

The Thermometer,indicating,capillary, cataloged under National Stock Number 6685-00-006-7915, 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 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6685-00-006-7915
Primary Part NumberK25140
Item NameThermometer,indicating,capillary
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerTempco Inc Dba Marshalltown Tempco
StatusACTIVE
Bulb Quantity1
Actuating MediumVAPOR TENSION
Bulb TypePLAIN RIGID
Bulb StylePLAIN BULB
Pointer/pen Type and Quantity1 INDICATING SINGLE
Active Portion Diameter0.438 INCHES NOMINAL IN
Flexible Tube Length72.000 INCHES NOMINAL IN
Scale Measurement Range+40.000 TO 150.000 DEG FAHRENHEIT
Indicator Connection MethodFLEXIBLE TUBE
Style DesignatorBULB W/O SOCKET
MaterialSTEEL METER CASE
Dial Diameter2.500 INCHES NOMINAL IN
Active Portion Length3.500 INCHES NOMINAL IN
Case TypeVAPORPROOF
Scale TypeDIAL
Scale Inscription/background ColorBLACK MARKING ON WHITE BACKGROUND
Case Diameter2.906 INCHES NOMINAL IN
Scale Smallest Increment1.0 DEG FAHRENHEIT
Bulb Tip Length3.500 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5935-00-133-8671 INTERCHANGEABLE
Connector,plug,electrical
6930-00-211-239181025 INTERCHANGEABLE
Chassis Assembly,re
Cae Usa Inc.
5610-00-236-4946 INTERCHANGEABLE
Asphalt,petroleum
6685-00-261-9858 INTERCHANGEABLE
Thermometer,indicating,capillary
5920-00-284-6787 INTERCHANGEABLE
Fuse,cartridge
5340-00-467-3734U400 INTERCHANGEABLE
Clamp,loop
Clamps Inc
6685-00-832-8767 INTERCHANGEABLE
Thermometer,indicating,capillary
6685-00-894-3188 INTERCHANGEABLE
Thermometer,indicating,capillary
6685-00-900-3723 INTERCHANGEABLE
Thermometer,indicating,capillary
6685-01-037-1132990C347H01 INTERCHANGEABLE
Thermometer,indicating,capillary
Northrop Grumman Systems Corporation Dba Electronic Systems
Cross-Reference Index
Part NumberManufacturer
X-8 Liftec Inc Div Liftec, Inc. (USA)
K25140 PRIMARY Tempco Inc Dba Marshalltown Tempco (USA)
81025 Caldraul Johnson, Inc Dba Cal-Draulics, Inc. Div Cal-Draulics Inc (USA)
Related Parts
5935-00-133-8671INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
6930-00-211-2391INTERCHANGEABLE
CHASSIS ASSEMBLY,RE
81025
5610-00-236-4946INTERCHANGEABLE
ASPHALT,PETROLEUM
6685-00-261-9858INTERCHANGEABLE
THERMOMETER,INDICATING,CAPILLARY
5920-00-284-6787INTERCHANGEABLE
FUSE,CARTRIDGE
5340-00-467-3734INTERCHANGEABLE
CLAMP,LOOP
U400
6685-00-832-8767INTERCHANGEABLE
THERMOMETER,INDICATING,CAPILLARY
6685-00-894-3188INTERCHANGEABLE
THERMOMETER,INDICATING,CAPILLARY
6685-00-900-3723INTERCHANGEABLE
THERMOMETER,INDICATING,CAPILLARY
6685-01-037-1132INTERCHANGEABLE
THERMOMETER,INDICATING,CAPILLARY
990C347H01
5110-01-123-1141INTERCHANGEABLE
BLADE,KNIFE
3460-01-327-7274INTERCHANGEABLE
HOLDER,CUTTING TOOL

Frequently Asked Questions

What is NSN 6685-00-006-7915?

NSN 6685-00-006-7915 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 6685-00-006-7915?

NSN 6685-00-006-7915 has 3 cross-referenced part numbers: X-8 (Liftec Inc Div Liftec, Inc.), K25140 (Tempco Inc Dba Marshalltown Tempco), 81025 (Caldraul Johnson, Inc Dba Cal-Draulics, Inc. Div Cal-Draulics Inc).

What NSN replaces 6685-00-006-7915?

There are 12 known substitutes for 6685-00-006-7915: 5935-00-133-8671, 6930-00-211-2391, 5610-00-236-4946 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of K25140?

Key specifications for K25140: Bulb Quantity: 1; Actuating Medium: VAPOR TENSION; Bulb Type: PLAIN RIGID; Bulb Style: PLAIN BULB. 19 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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