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3B90081-157 — ANNUNCIATOR

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

3B90081-157: ANNUNCIATOR.

The ANNUNCIATOR is a the manufacturer industrial component. Key specifications include overall_depth: 0.890 INCHES NOMINAL IN, overall_width: 1.250 INCHES NOMINAL IN, overall_length: 2.656 INCHES NOMINAL IN, special_features: GENERATOR FAIL LIGHT, visual_signal_type: LAMP, visual_signal_color: YELLOW. This part is cataloged in the U.S.

Government catalog under NSN 6340-00-269-3801, 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
3B90081-157
NSN: 6340-00-269-3801
FSC: 6340 — Aircraft Alarm and Signal Systems
CAGE: 98897 — LOCKHEED MARTIN CORP (USA)
SPECIFICATIONS
overall_depth0.890 INCHES NOMINAL IN
overall_width1.250 INCHES NOMINAL IN
overall_length2.656 INCHES NOMINAL IN
special_featuresGENERATOR FAIL LIGHT
visual_signal_typeLAMP
visual_signal_colorYELLOW
signal_device_quantity4
end_item_identificationC-141 MASTER CAUTION
NSN6340-00-269-3801
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available ANNUNCIATOR TITLE COMPONENT PN 3B90081-157 MFR ANNUNCIATOR
KEY FEATURES
•
VISUAL SIGNAL TYPE: LAMP
•
SIGNAL DEVICE QUANTITY: 4
•
VISUAL SIGNAL COLOR: YELLOW
TECHNICAL CHARACTERISTICS
VISUAL SIGNAL TYPELAMP
OVERALL LENGTH2.656 INCHES NOMINAL IN
OVERALL WIDTH1.250 INCHES NOMINAL IN
SIGNAL DEVICE QUANTITY4
SPECIAL FEATURESGENERATOR FAIL LIGHT
END ITEM IDENTIFICATIONC-141 MASTER CAUTION
VISUAL SIGNAL COLORYELLOW
OVERALL DEPTH0.890 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 2
6005-100-4Reference document
Same NSN cross-reference
Reference document — Secondary reference
351-10426-004Reference 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 3B90081-157?
3B90081-157 is a ANNUNCIATOR.
What parts can replace 3B90081-157?
There are 2 known substitutes for 3B90081-157: 6005-100-4, 351-10426-004. Substitute compatibility should be verified for your specific system.
What is the NSN for 3B90081-157?
3B90081-157 is cataloged in the U.S. Government catalog under NSN 6340-00-269-3801. 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.