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Technical Data Sheet
B4A ✓ Verified by PartsTable
· COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The MICROCIRCUIT,DIGITAL is a the manufacturer industrial component. Key specifications include depth: 6.203 INCHES NOMINAL IN, width: 3.250 INCHES NOMINAL IN, height: 3.250 INCHES NOMINAL IN, diameter: 0.109 INCHES NOMINAL IN, material: STEEL, base_style: WIRE LEADS, DOWN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5930-00-184-8329, 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
B4A
NSN: 5930-00-184-8329
FSC: 5930
CAGE: 80049 — DEPARTMENT OF THE AIR FORCE (USA)
SPECIFICATIONS
depth6.203 INCHES NOMINAL IN
width3.250 INCHES NOMINAL IN
height3.250 INCHES NOMINAL IN
diameter0.109 INCHES NOMINAL IN
materialSTEEL
base_styleWIRE LEADS, DOWN
bulb_styleT (TUBULAR)
cut_length0.328 INCHES NOMINAL IN
shaft_typeROUND, FLATTED SINGLE ACTUATOR
design_formDOUBLE END
flat_height0.216 INCHES NOMINAL SINGLE ACTUATOR IN
contact_typePIN
NSN5930-00-184-8329
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available MICROCIRCUIT,DIGITAL TITLE COMPONENT PN B4A MFR MICROCIRCUIT,DIGITAL
KEY FEATURES
SHAFT TYPE: ROUND, FLATTED SINGLE ACTUATOR
SHAFT FLAT/SLOT ANGULAR LOCATION: 216.0 DEGREES FROM NONTURN DEVICE SINGLE ACTUATOR
CONTACT VOLTAGE RATING IN VOLTS: 115.0 AC AT SEA LEVEL
THREAD SERIES DESIGNATOR: UNEF SINGLE MOUNTING FACILITY
SPECIFICATION/STANDARD DATA: 81349-MIL-S-3786/4 GOVERNMENT SPECIFICATION
TEST DATA DOCUMENT: 81349-MIL-S-3786 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
SWITCH ACTUATOR POSITIONING INCREMENT: 36.0 DEGREES SINGLE ACTUATOR
SWITCH ACTUATOR STOP DEVICE TYPE: FIXED STOP SINGLE ACTUATOR
TECHNICAL CHARACTERISTICS (FLIS)
SHAFT TYPEROUND, FLATTED SINGLE ACTUATOR
SHAFT FLAT/SLOT ANGULAR LOCATION216.0 DEGREES FROM NONTURN DEVICE SINGLE ACTUATOR
CONTACT VOLTAGE RATING IN VOLTS115.0 AC AT SEA LEVEL
THREAD SERIES DESIGNATORUNEF SINGLE MOUNTING FACILITY
SPECIFICATION/STANDARD DATA81349-MIL-S-3786/4 GOVERNMENT SPECIFICATION
TEST DATA DOCUMENT81349-MIL-S-3786 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
SWITCH ACTUATOR POSITIONING INCREMENT36.0 DEGREES SINGLE ACTUATOR
SWITCH ACTUATOR STOP DEVICE TYPEFIXED STOP SINGLE ACTUATOR
STYLE DESIGNATORTAP, CIRCULAR, BUSHING MOUNT
CONTACT SWITCHING ACTIONBREAKS BEFORE MAKES EACH SECTION REAR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
NE7Interchangeable
interchangeable cross-reference
interchangeable
B4AInterchangeable
interchangeable cross-reference
interchangeable
2176769Interchangeable
interchangeable cross-reference
interchangeable
A85117Interchangeable
interchangeable cross-reference
interchangeable
5213661Interchangeable
interchangeable cross-reference
interchangeable
1001Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is B4A?
B4A is a MICROCIRCUIT,DIGITAL.
What parts can replace B4A?
There are 15 known substitutes for B4A: NE7, B4A, 2176769 and 12 more. Substitute compatibility should be verified for your specific system.
Is B4A still available?
B4A is currently cancelled.
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