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Technical Data Sheet
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277666 — Technical Data Sheet

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BVR TECHNOLOGIES CO. · COMPONENT
WHAT YOU NEED TO KNOW
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PRODUCT OVERVIEW

The INDICATOR,HORIZONTAL SITUATION is a BVR TECHNOLOGIES CO. industrial component. Key specifications include PHASE: SINGLE, LENGTH: 8.000 INCHES NOMINAL IN, DIAMETER: 3.510 INCHES NOMINAL IN, CURRENT TYPE: AC, KNOB PURPOSE: COURSE SET AND HEADING SET, USAGE DESIGN: HEADING.

This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6605-01-194-3611, 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
277666
NSN: 6605-01-194-3611
FSC: 6605
CAGE: 85374 — BVR TECHNOLOGIES CO. (USA)
SPECIFICATIONS
PHASESINGLE
LENGTH8.000 INCHES NOMINAL IN
DIAMETER3.510 INCHES NOMINAL IN
CURRENT TYPEAC
KNOB PURPOSECOURSE SET AND HEADING SET
USAGE DESIGNHEADING
KNOB QUANTITY2
FREQUENCY RATING400.0 HERTZ NOMINAL
SPECIAL FEATURESCASE MATERIAL: METAL
AC VOLTAGE RATING115.0 VOLTS NOMINAL
FEATURES PROVIDEDHERMETICALLY SEALED CASE
PRESENTATION TYPEDIAL AND DIGITAL DISPLAY
NSN6605-01-194-3611
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR MFR: BVR TECHNOLOGIES CO. INDICATOR,HORIZONTAL SITUATION TITLE COMPONENT PN 277666 MFR BVR TECHNOLOGIES CO. INDICATOR,HORIZONTAL S
KEY FEATURES
•
USAGE DESIGN: HEADING
•
DIAMETER: 3.510 INCHES NOMINAL IN
•
CURRENT TYPE: AC
•
PRESENTATION TYPE: DIAL AND DIGITAL DISPLAY
•
AC VOLTAGE RATING: 115.0 VOLTS NOMINAL
•
INDIVIDUAL MARKING: HEADING SET, COURSE SET, COURSE AND MILES
•
LENGTH: 8.000 INCHES NOMINAL IN
•
FEATURES PROVIDED: HERMETICALLY SEALED CASE
TECHNICAL CHARACTERISTICS (FLIS)
USAGE DESIGNHEADING
DIAMETER3.510 INCHES NOMINAL IN
CURRENT TYPEAC
PRESENTATION TYPEDIAL AND DIGITAL DISPLAY
AC VOLTAGE RATING115.0 VOLTS NOMINAL
INDIVIDUAL MARKINGHEADING SET, COURSE SET, COURSE AND MILES
LENGTH8.000 INCHES NOMINAL IN
FEATURES PROVIDEDHERMETICALLY SEALED CASE
KNOB PURPOSECOURSE SET AND HEADING SET
PHASESINGLE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
MILH27848Interchangeable
interchangeable cross-reference
interchangeable
MIL-I-27848Interchangeable
interchangeable cross-reference
interchangeable
AQU4/AInterchangeable
interchangeable cross-reference
interchangeable
101000Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 277666?
277666 is a INDICATOR,HORIZONTAL SITUATION manufactured by BVR TECHNOLOGIES CO..
What parts can replace 277666?
There are 4 known substitutes for 277666: MILH27848, MIL-I-27848, AQU4/A and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 277666?
277666 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6605-01-194-3611. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: September 2026