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ASTM 64C ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The ASTM 64C is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6685-00-904-4233, indicating validated use in U.S.

government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
ASTM 64C
NSN: 6685-00-904-4233
FSC: 6685
CAGE: 64467 — WEKSLER GLASS THERMOMETER CORP (USA)
SPECIFICATIONS
Part NumberASTM 64C
NSN6685-00-904-4233
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available ASTM 64C TITLE COMPONENT PN ASTM 64C MFR ASTM 64C
KEY FEATURES
•
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
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL LENGTH15.000 INCHES NOMINAL15.000 INCHES NOMINAL IN
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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
48-1CInterchangeable
interchangeable cross-reference
interchangeable
291AS114Interchangeable
interchangeable cross-reference
interchangeable
C35-8123-2Interchangeable
interchangeable cross-reference
interchangeable
13440007Interchangeable
interchangeable cross-reference
interchangeable
7912276-3Interchangeable
Same NIIN cross-reference
interchangeable
E1-82-64CInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is ASTM 64C?
ASTM 64C is a ASTM 64C.
What parts can replace ASTM 64C?
There are 6 known substitutes for ASTM 64C: 48-1C, 291AS114, C35-8123-2 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for ASTM 64C?
ASTM 64C is cataloged in the Federal Logistics Information System (FLIS) under NSN 6685-00-904-4233. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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Last verified: July 2026