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5M2638 — THERMOCOUPLE,HEATING ELEMENT

✓ Government record, cited
THE BOEING COMPANY DIV DEFENSE · COMPONENT
PRODUCT OVERVIEW

5M2638: THERMOCOUPLE,HEATING ELEMENT.

The THERMOCOUPLE,HEATING ELEMENT is a THE BOEING COMPANY DIV DEFENSE industrial component. Key specifications include MATERIAL: STEEL CORROSION RESISTING OVERALL, OVERALL LENGTH: 4.750 INCHES NOMINAL IN, OVERALL DIAMETER: 0.746 INCHES NOMINAL IN, MOUNTING LOCATION: OUTSIDE METER CASE, OPERATING TEMP RANGE: -65.0 TO 250.0 FAHRENHEIT DEGF, TERMINAL TYPE AND QUANTITY: 1 CONNECTOR. This part is cataloged in the U.S.

Government catalog under NSN 6685-01-482-9173, 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
5M2638
NSN: 6685-01-482-9173
FSC: 6685 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments
CAGE: 76301 — THE BOEING COMPANY DIV DEFENSE (USA)
SPECIFICATIONS
MATERIALSTEEL CORROSION RESISTING OVERALL
OVERALL LENGTH4.750 INCHES NOMINAL IN
OVERALL DIAMETER0.746 INCHES NOMINAL IN
MOUNTING LOCATIONOUTSIDE METER CASE
OPERATING TEMP RANGE-65.0 TO 250.0 FAHRENHEIT DEGF
TERMINAL TYPE AND QUANTITY1 CONNECTOR
NSN6685-01-482-9173
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR MFR: THE BOEING COMPANY DIV DEFENSE THERMOCOUPLE,HEATING ELEMENT TITLE COMPONENT PN 5M2638 MFR THE BOEING COMPANY DIV DEFENSE THERMOCOUPLE,HEATING E
KEY FEATURES
•
OVERALL DIAMETER: 0.746 INCHES NOMINAL IN
•
MOUNTING LOCATION: OUTSIDE METER CASE
•
OPERATING TEMP RANGE: -65.0 TO 250.0 FAHRENHEIT DEGF
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
•
TERMINAL TYPE AND QUANTITY: 1 CONNECTOR
TECHNICAL CHARACTERISTICS
OVERALL DIAMETER0.746 INCHES NOMINAL IN
OVERALL LENGTH4.750 INCHES NOMINAL IN
MOUNTING LOCATIONOUTSIDE METER CASE
OPERATING TEMP RANGE-65.0 TO 250.0 FAHRENHEIT DEGF
MATERIALSTEEL CORROSION RESISTING OVERALL
TERMINAL TYPE AND QUANTITY1 CONNECTOR
OTHER ITEMS IN FSC 6685 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
6685-00-001-1475 6685-00-001-1503 6685-00-001-1643 6685-00-001-1711 6685-00-001-2099 6685-00-001-2100 6685-00-001-2101 6685-00-001-2102
SUBSTITUTES & CROSS-REFERENCES 1
101-00055Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 5M2638?
5M2638 is a THERMOCOUPLE,HEATING ELEMENT manufactured by THE BOEING COMPANY DIV DEFENSE.
What parts can replace 5M2638?
There is 1 known substitute for 5M2638: 101-00055. Substitute compatibility should be verified for your specific system.
What is the NSN for 5M2638?
5M2638 is cataloged in the U.S. Government catalog under NSN 6685-01-482-9173. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.