PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

ASTM 64CThermometer,self-Indicating

Weksler Glass Thermometer Corp · NSN 6685-00-904-4233 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-904-4233 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-904-4233. Primary manufacturer part number: ASTM 64C.
Features
  • Thermometer,self-Indicating — FSC 6685
  • Material: GLASS OVERALL
  • Securing Device Type: CLIPCLIP
  • Scale Measurement Range: +25.000 TO 55.000 DEG CELSIUS+25.000 TO 55.000 DEG CELSIUS
  • Actuating Medium: MERCURYMERCURY
  • Design Type: FLUCTUATINGFLUCTUATING
  • Style Designator: IMMERSION RING TOP
  • Scale Inscription/background Color: BLACK MARKING ON SILVER BACKGROUNDBLACK MARKING ON SILVER BACKGROUND
Applications
  • Applications requiring Glass Overall construction
General Description

The Thermometer,self-Indicating, cataloged under National Stock Number 6685-00-904-4233, 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 10 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
NSN6685-00-904-4233
Primary Part NumberASTM 64C
Item NameThermometer,self-Indicating
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerWeksler Glass Thermometer Corp
StatusACTIVE
MaterialGLASS OVERALL
Securing Device TypeCLIPCLIP
Scale Measurement Range+25.000 TO 55.000 DEG CELSIUS+25.000 TO 55.000 DEG CELSIUS
Actuating MediumMERCURYMERCURY
Design TypeFLUCTUATINGFLUCTUATING
Style DesignatorIMMERSION RING TOP
Scale Inscription/background ColorBLACK MARKING ON SILVER BACKGROUNDBLACK MARKING ON SILVER BACKGROUND
Features ProvidedLENS MAGNIFYING FRONT AND LENS MAGNIFYING FRONT AND EXPANSION CHAMBEREXPANSION CHAMBER
Scale Smallest Increment0.1 DEG CELSIUS0.1 DEG CELSIUS
Scale TypeETCHED STEMETCHED STEM
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
4030-00-431-553627A12-2 INTERCHANGEABLE
Swaging Sleeve,wire Rope
Lockheed Martin Corporation Div Rotary and Mission Systems
5985-01-396-200813440007 INTERCHANGEABLE
Dummy Load,electrical
Us Army Aviation and Missile Command
Cross-Reference Index
Part NumberManufacturer
ASTM 64C PRIMARY Weksler Glass Thermometer Corp (USA)
481C Weksler Glass Thermometer Corp (USA)
7912276-3 Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA)
E1-82-64C American Society for Testing and Materials Dba Astm International (USA)
Related Parts
4030-00-431-5536INTERCHANGEABLE
SWAGING SLEEVE,WIRE ROPE
27A12-2
5985-01-396-2008INTERCHANGEABLE
DUMMY LOAD,ELECTRICAL
13440007

Frequently Asked Questions

What is NSN 6685-00-904-4233?

NSN 6685-00-904-4233 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 6685-00-904-4233?

NSN 6685-00-904-4233 has 4 cross-referenced part numbers: ASTM 64C (Weksler Glass Thermometer Corp), 481C (Weksler Glass Thermometer Corp), 7912276-3 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate), E1-82-64C (American Society for Testing and Materials Dba Astm International).

What NSN replaces 6685-00-904-4233?

There are 2 known substitutes for 6685-00-904-4233: 4030-00-431-5536, 5985-01-396-2008. Verify interchangeability with system specifications before substitution.

What are the specifications of ASTM 64C?

Key specifications for ASTM 64C: Overall Length: 15.000 INCHES NOMINAL15.000 INCHES NOMINAL IN; Material: GLASS OVERALL; Securing Device Type: CLIPCLIP; Scale Measurement Range: +25.000 TO 55.000 DEG CELSIUS+25.000 TO 55.000 DEG CELSIUS. 11 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