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21744G ✓ 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 21744G is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6685-00-242-2203, 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
21744G
NSN: 6685-00-242-2203
FSC: 6685
CAGE: 21518 — TYCOS INSTRUMENTS INC A WELCH ALLYN CO (USA)
SPECIFICATIONS
Part Number21744G
NSN6685-00-242-2203
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available 21744G TITLE COMPONENT PN 21744G MFR 21744G
KEY FEATURES
•
SCALE MEASUREMENT RANGE: +94.000 TO 180.000 DEG FAHRENHEIT
•
SCALE TYPE: ETCHED STEM
•
SECURING DEVICE TYPE: RING
•
SCALE SMALLEST INCREMENT: 0.2 DEG FAHRENHEIT
•
FEATURES PROVIDED: EXPANSION CHAMBER
•
DESIGN TYPE: FLUCTUATING
•
ACTUATING MEDIUM: MERCURY
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL LENGTH275.0 MILLIMETERS NOMINAL MM
SCALE MEASUREMENT RANGE+94.000 TO 180.000 DEG FAHRENHEIT
SCALE TYPEETCHED STEM
SECURING DEVICE TYPERING
SCALE SMALLEST INCREMENT0.2 DEG FAHRENHEIT
FEATURES PROVIDEDEXPANSION CHAMBER
DESIGN TYPEFLUCTUATING
ACTUATING MEDIUMMERCURY
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
55443Interchangeable
interchangeable cross-reference
interchangeable
ASTM E1Interchangeable
interchangeable cross-reference
interchangeable
17F-86Interchangeable
interchangeable cross-reference
interchangeable
S80765Interchangeable
interchangeable cross-reference
interchangeable
13-575MInterchangeable
interchangeable cross-reference
interchangeable
27868-6Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 21744G?
21744G is a 21744G.
What parts can replace 21744G?
There are 17 known substitutes for 21744G: 55443, ASTM E1, 17F-86 and 14 more. Substitute compatibility should be verified for your specific system.
Is 21744G still available?
21744G is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026