577B — MICROPHONE,DYNAMIC

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

577B: MICROPHONE,DYNAMIC.

The MICROPHONE,DYNAMIC is a the manufacturer industrial component. Key specifications include height: 2.655 INCHES NOMINAL IN, length: 3.688 INCHES NOMINAL IN, body_style: HAND HELD, switch_type: PUSH, mounting_method: BRACKET(S), impedance_rating: 150.0 OHMS NOMINAL. This part is cataloged in the U.S.

Government catalog under NSN 5965-01-043-5295, 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

577B

NSN: 5965-01-043-5295
NIINs: 010435295, 015400743
FSC: 5965 — Headsets, Handsets, Microphones and Speakers
CAGE: 54715 — SHURE BROS INC (USA)

SPECIFICATIONS

height	2.655 INCHES NOMINAL IN
length	3.688 INCHES NOMINAL IN
body_style	HAND HELD
switch_type	PUSH
mounting_method	BRACKET(S)
impedance_rating	150.0 OHMS NOMINAL
special_features	(INAVY) HAND MICROPHONE
polarity_connection	NOT REQUIRED
accessory_components	CABLE
extended_cable_length	6.0 FEET NOMINAL FT
end_item_identification	AN/BQQ-10(V)4 UNIT 6370,ACOUSTICS COMMS XCVR
cable_conductor_quantity	4
NSN	5965-01-043-5295

COMPONENT DIAGRAM

KEY FEATURES

•

LENGTH: 3.688 INCHES NOMINAL IN

•

BODY STYLE: HAND HELD

•

MOUNTING METHOD: BRACKET(S)

•

SOUND PICKUP DIRECTIONAL TYPE: OMNIDIRECTIONAL

•

FREQUENCY RESPONSE RANGE IN HERTZ: +100.0 TO 5000.0

•

EXTENDED CABLE LENGTH: 6.0 FEET NOMINAL FT

•

POLARITY CONNECTION: NOT REQUIRED

•

SWITCH TYPE: PUSH

TECHNICAL CHARACTERISTICS

LENGTH	3.688 INCHES NOMINAL IN
BODY STYLE	HAND HELD
MOUNTING METHOD	BRACKET(S)
SOUND PICKUP DIRECTIONAL TYPE	OMNIDIRECTIONAL
FREQUENCY RESPONSE RANGE IN HERTZ	+100.0 TO 5000.0
EXTENDED CABLE LENGTH	6.0 FEET NOMINAL FT
POLARITY CONNECTION	NOT REQUIRED
SWITCH TYPE	PUSH
HEIGHT	2.655 INCHES NOMINAL IN
CABLE SHIELDED CONDUCTOR QUANTITY	2

SUBSTITUTES & CROSS-REFERENCES 3

ASC1584571Reference document

Same NSN cross-reference

Reference document — Secondary reference

9211069Reference document

Same NSN cross-reference

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

NC450DReference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 577B?

577B is a MICROPHONE,DYNAMIC.

What parts can replace 577B?

There are 3 known substitutes for 577B: ASC1584571, 9211069, NC450D. Substitute compatibility should be verified for your specific system.

What is the NSN for 577B?

577B is cataloged in the U.S. Government catalog under NSN 5965-01-043-5295. This indicates validated use in U.S. government and defense supply chains.

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