PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

ASTM 68CThermometer,self-Indicating

Weksler Glass Thermometer Corp · NSN 6685-00-485-9635 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-485-9635 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-485-9635. Primary manufacturer part number: ASTM 68C.
Features
  • Thermometer,self-Indicating — FSC 6685
  • Actuating Medium: MERCURY
  • Scale Type: ETCHED STEM
  • Scale Smallest Increment: 0.2 DEG FAHRENHEIT
  • Design Type: FLUCTUATING
  • Scale Accuracy Rating: PORM 1 SUBDIVISION OF TRUE TEMP
  • Securing Device Type: RING
  • Scale Inscription/background Color: ETCHED MARKING ON WHITE BACKGROUND
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Thermometer,self-Indicating, cataloged under National Stock Number 6685-00-485-9635, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Weksler Glass Thermometer Corp. Government technical data includes 8 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6685-00-485-9635
Primary Part NumberASTM 68C
Item NameThermometer,self-Indicating
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerWeksler Glass Thermometer Corp
StatusACTIVE
Actuating MediumMERCURY
Scale TypeETCHED STEM
Scale Smallest Increment0.2 DEG FAHRENHEIT
Design TypeFLUCTUATING
Scale Accuracy RatingPORM 1 SUBDIVISION OF TRUE TEMP
Securing Device TypeRING
Scale Inscription/background ColorETCHED MARKING ON WHITE BACKGROUND
Scale Measurement Range+145.000 TO 205.000 DEG CELSIUS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
6685-00-485-96346-01321 INTERCHANGEABLE
Thermometer,self-Indicating
Sigma Products & Mfg
6685-00-494-9562 INTERCHANGEABLE
Thermometer,self-Indicating
Cross-Reference Index
Part NumberManufacturer
LX8650-1014 Sp Industries Inc Lurex Mfg (USA)
T3800 Sp Industries Inc Lurex Mfg (USA)
ASTM 68C PRIMARY Weksler Glass Thermometer Corp (USA)
7912276-7 Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA)
Related Parts
6685-00-485-9634INTERCHANGEABLE
THERMOMETER,SELF-INDICATING
6-01321
6685-00-494-9562INTERCHANGEABLE
THERMOMETER,SELF-INDICATING

Frequently Asked Questions

What is NSN 6685-00-485-9635?

NSN 6685-00-485-9635 is a Thermometer,self-Indicating, manufactured by Weksler Glass Thermometer Corp, classified under FSC 6685 (No Item Name Available). Status: active.

What are the part numbers for NSN 6685-00-485-9635?

NSN 6685-00-485-9635 has 4 cross-referenced part numbers: LX8650-1014 (Sp Industries Inc Lurex Mfg), T3800 (Sp Industries Inc Lurex Mfg), ASTM 68C (Weksler Glass Thermometer Corp), 7912276-7 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate).

What NSN replaces 6685-00-485-9635?

There are 2 known substitutes for 6685-00-485-9635: 6685-00-485-9634, 6685-00-494-9562. Verify interchangeability with system specifications before substitution.

What are the specifications of ASTM 68C?

Key specifications for ASTM 68C: Actuating Medium: MERCURY; Scale Type: ETCHED STEM; Scale Smallest Increment: 0.2 DEG FAHRENHEIT; Design Type: FLUCTUATING. 9 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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