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2990B — THERMOCOUPLE,IMMERSION

✓ Government record, cited
ALNOR INSTRUMENT COMPANY · COMPONENT
PRODUCT OVERVIEW

2990B: THERMOCOUPLE,IMMERSION.

The THERMOCOUPLE,IMMERSION is a ALNOR INSTRUMENT COMPANY industrial component. Key specifications include MATERIAL: STEEL PROTECTIVE TUBE, UNIT TYPE: PROTECTIVE TUBE, OVERALL LENGTH: 15.312 INCHES NOMINAL IN, IMMERSION LENGTH: 12.562 INCHES NOMINAL IN, ACCOMMODATED WIRE AWG SIZE: 14, TERMINAL TYPE AND QUANTITY: 2 SCREW. This part is cataloged in the U.S.

Government catalog under NSN 6685-00-910-6988, 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
2990B
NSN: 6685-00-910-6988
FSC: 6685 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments
CAGE: 01518 — ALNOR INSTRUMENT COMPANY (USA)
SPECIFICATIONS
MATERIALSTEEL PROTECTIVE TUBE
UNIT TYPEPROTECTIVE TUBE
OVERALL LENGTH15.312 INCHES NOMINAL IN
IMMERSION LENGTH12.562 INCHES NOMINAL IN
ACCOMMODATED WIRE AWG SIZE14
TERMINAL TYPE AND QUANTITY2 SCREW
NSN6685-00-910-6988
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR MFR: ALNOR INSTRUMENT COMPANY THERMOCOUPLE,IMMERSION TITLE COMPONENT PN 2990B MFR ALNOR INSTRUMENT COMPANY THERMOCOUPLE,IMMERSION
KEY FEATURES
•
ACCOMMODATED WIRE AWG SIZE: 14
•
IMMERSION LENGTH: 12.562 INCHES NOMINAL IN
•
UNIT TYPE: PROTECTIVE TUBE
•
MATERIAL: STEEL PROTECTIVE TUBE
•
TERMINAL TYPE AND QUANTITY: 2 SCREW
TECHNICAL CHARACTERISTICS
OVERALL LENGTH15.312 INCHES NOMINAL IN
ACCOMMODATED WIRE AWG SIZE14
IMMERSION LENGTH12.562 INCHES NOMINAL IN
UNIT TYPEPROTECTIVE TUBE
MATERIALSTEEL PROTECTIVE TUBE
TERMINAL TYPE AND QUANTITY2 SCREW
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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 2990B?
2990B is a THERMOCOUPLE,IMMERSION manufactured by ALNOR INSTRUMENT COMPANY.
What is the NSN for 2990B?
2990B is cataloged in the U.S. Government catalog under NSN 6685-00-910-6988. 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.