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S2420B — THERMOMETER,INDICATING,CAPILLARY

✓ Government record, cited
CUMMINS INC. · COMPONENT
PRODUCT OVERVIEW

S2420B: THERMOMETER,INDICATING,CAPILLARY.

THERMOMETER,INDICATING,CAPILLARY. Key specifications include MATERIAL: STEEL METER CASE, BULB TYPE: PLAIN RIGID, CASE TYPE: DUSTPROOF AND VAPORPROOF, SCALE TYPE: CONCENTRIC DIAL, CASE DIAMETER: 2.688 INCHES NOMINAL IN, DIAL DIAMETER: 1.688 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 6685-00-526-7066, 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
S2420B
NSN: 6685-00-526-7066
FSC: 6685 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments
CAGE: 15434 — CUMMINS INC. (USA)
SPECIFICATIONS
MATERIALSTEEL METER CASE
BULB TYPEPLAIN RIGID
CASE TYPEDUSTPROOF AND VAPORPROOF
SCALE TYPECONCENTRIC DIAL
BULB QUANTITY1
CASE DIAMETER2.688 INCHES NOMINAL IN
DIAL DIAMETER1.688 INCHES NOMINAL IN
ACTUATING MEDIUMMETHYLENE CHLORIDE
BULB OVERALL LENGTH2.000 INCHES NOMINAL IN
BULB CONNECTION TYPEUNION
FLEXIBLE TUBE LENGTH28.000 INCHES NOMINAL IN
ACTIVE PORTION LENGTH1.313 INCHES NOMINAL IN
NSN6685-00-526-7066
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR MFR: CUMMINS INC. THERMOMETER,INDICATING,CAPILLARY TITLE COMPONENT PN S2420B MFR CUMMINS INC. THERMOMETER,INDICATING
KEY FEATURES
•
FLEXIBLE TUBE LENGTH: 28.000 INCHES NOMINAL IN
•
MOUNTING FACILITY TYPE AND QUANTITY: 1 FLUSH AND 3 HOLE
•
BULB OVERALL LENGTH: 2.000 INCHES NOMINAL IN
•
BULB TYPE: PLAIN RIGID
•
ACTIVE PORTION DIAMETER: 0.438 INCHES NOMINAL IN
•
SCALE INSCRIPTION/BACKGROUND COLOR: BLACK MARKINGS ON WHITE BACKGROUND
•
SCALE SMALLEST INCREMENT: 30.0 DEG FAHRENHEIT
•
SCALE ACCURACY RATING: PORM 5 DEG F PCT DEGF
TECHNICAL CHARACTERISTICS
FLEXIBLE TUBE LENGTH28.000 INCHES NOMINAL IN
MOUNTING FACILITY TYPE AND QUANTITY1 FLUSH AND 3 HOLE
BULB OVERALL LENGTH2.000 INCHES NOMINAL IN
BULB TYPEPLAIN RIGID
ACTIVE PORTION DIAMETER0.438 INCHES NOMINAL IN
SCALE INSCRIPTION/BACKGROUND COLORBLACK MARKINGS ON WHITE BACKGROUND
SCALE SMALLEST INCREMENT30.0 DEG FAHRENHEIT
SCALE ACCURACY RATINGPORM 5 DEG F PCT DEGF
BULB CONNECTION TYPEUNION
DIAL DIAMETER1.688 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 2
41610ASame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
S2843Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is S2420B?
S2420B is a THERMOMETER,INDICATING,CAPILLARY manufactured by CUMMINS INC..
What parts can replace S2420B?
There are 2 known substitutes for S2420B: 41610A, S2843. Substitute compatibility should be verified for your specific system.
What is the NSN for S2420B?
S2420B is cataloged in the U.S. Government catalog under NSN 6685-00-526-7066. 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.