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4A90208-103B — 4A90208-103B

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

4A90208-103B: 4A90208-103B.

The 4A90208-103B is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 6685-00-178-9575, 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
4A90208-103B
NSN: 6685-00-178-9575
FSC: 6685 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments
CAGE: 98897 — LOCKHEED MARTIN CORP (USA)
SPECIFICATIONS
Part Number4A90208-103B
NSN6685-00-178-9575
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available 4A90208-103B TITLE COMPONENT PN 4A90208-103B MFR 4A90208-103B
KEY FEATURES
•
SPRING OPERATED PRESSURE RELIEF: NOT PROVIDED
•
MOUNTING METHOD: HOSE
•
THREAD DIRECTION: RIGHT-HAND
•
OPERATING TEMP RATING: 600.0 FAHRENHEIT NOMINAL DEGF
•
THERMOSTAT TYPE: ANY ACCEPTABLE
•
USAGE DESIGN: TEMPERATURE CONTROL
•
THREAD SIZE AND SERIES/TYPE DESIGNATOR: 1/2-20 UNF
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT7.100 INCHES NOMINAL IN
SPRING OPERATED PRESSURE RELIEFNOT PROVIDED
MOUNTING METHODHOSE
THREAD DIRECTIONRIGHT-HAND
OPERATING TEMP RATING600.0 FAHRENHEIT NOMINAL DEGF
THERMOSTAT TYPEANY ACCEPTABLE
USAGE DESIGNTEMPERATURE CONTROL
THREAD SIZE AND SERIES/TYPE DESIGNATOR1/2-20 UNF
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
129260-3-1Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)Demilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is 4A90208-103B?
4A90208-103B is a 4A90208-103B.
What parts can replace 4A90208-103B?
There is 1 known substitute for 4A90208-103B: 129260-3-1. Substitute compatibility should be verified for your specific system.
What is the NSN for 4A90208-103B?
4A90208-103B is cataloged in the U.S. Government catalog under NSN 6685-00-178-9575. 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.