B-4A — MICROCIRCUIT,DIGITAL

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

B-4A: MICROCIRCUIT,DIGITAL.

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 U.S.

Government catalog 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

B-4A

NSN: 5930-00-184-8329
NIINs: 001848329, 002704285, 005144838, 005155843, 010681769, 011437854, 013664763
FSC: 5930 — Switches
CAGE: 80049 — DEPARTMENT OF THE AIR FORCE (USA)

SPECIFICATIONS

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
bulb_style	T (TUBULAR)
cut_length	0.328 INCHES NOMINAL IN
shaft_type	ROUND, FLATTED SINGLE ACTUATOR
design_form	DOUBLE END
flat_height	0.216 INCHES NOMINAL SINGLE ACTUATOR IN
contact_type	PIN
NSN	5930-00-184-8329

COMPONENT DIAGRAM

KEY FEATURES

•

SHAFT TYPE: ROUND, FLATTED SINGLE ACTUATOR

•

SHAFT DIAMETER: 0.250 INCHES NOMINAL SINGLE ACTUATOR IN

•

SWITCH CONTACT BASIC DESIGN: NONPILE-UP SYMMETRICAL

•

NONTURN DEVICE RADIUS: 0.375 INCHES NOMINAL AT 3:00 OCLOCK IN

•

TERMINAL TYPE: TAB, SOLDER LUG

•

OVERALL DIAMETER: 1.000 INCHES MINIMUM AND 1.306 INCHES MAXIMUM IN

•

FIRST FLAT LENGTH: 0.250 INCHES NOMINAL SINGLE ACTUATOR IN

•

DETENT ROTATIONAL TORQUE RANGE: +1.000 TO 4.500 INCH-POUNDS SINGLE ACTUATOR IN

TECHNICAL CHARACTERISTICS

SHAFT TYPE	ROUND, FLATTED SINGLE ACTUATOR
SHAFT DIAMETER	0.250 INCHES NOMINAL SINGLE ACTUATOR IN
SWITCH CONTACT BASIC DESIGN	NONPILE-UP SYMMETRICAL
NONTURN DEVICE RADIUS	0.375 INCHES NOMINAL AT 3:00 OCLOCK IN
TERMINAL TYPE	TAB, SOLDER LUG
OVERALL DIAMETER	1.000 INCHES MINIMUM AND 1.306 INCHES MAXIMUM IN
FIRST FLAT LENGTH	0.250 INCHES NOMINAL SINGLE ACTUATOR IN
DETENT ROTATIONAL TORQUE RANGE	+1.000 TO 4.500 INCH-POUNDS SINGLE ACTUATOR IN
ROTOR THROUGH CONNECTION QUANTITY	1 EACH SECTION
CONTACT LOAD CURRENT RATING	75.0 MILLIAMPERES RESISTIVE LOAD AC AT SEA LEVEL

SUBSTITUTES & CROSS-REFERENCES 8

B4A94-32324CReference document

Same NSN cross-reference

Reference document — Advisory reference — outside the item-of-supply concept

521366-1Reference document

Same NSN cross-reference

Reference document — Advisory reference — outside the item-of-supply concept

M3786/4-0379Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

C1051-1B4N5Reference document

Same NSN cross-reference

Reference document — Advisory reference — outside the item-of-supply concept

MIL-S-3786/4Reference document

Same NSN cross-reference

Reference document — Secondary reference

MIL-DTL-3786/4Reference document

Same NSN cross-reference

Reference document — Identification reference

LIFECYCLE

NSN statusCancelled· U.S. Government catalog

Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is B-4A?

B-4A is a MICROCIRCUIT,DIGITAL.

What parts can replace B-4A?

There are 8 known substitutes for B-4A: B4A94-32324C, 521366-1, M3786/4-0379 and 5 more. Substitute compatibility should be verified for your specific system.

What is the NSN for B-4A?

B-4A is cataloged in the U.S. Government catalog under NSN 5930-00-184-8329. This indicates validated use in U.S. government and defense supply chains.

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