993-9251 — EARPHONE

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

993-9251: EARPHONE.

The EARPHONE is a the manufacturer industrial component. Key specifications include body_style: EARPHONE, CIRCULAR, terminal_type: SETSCREW, mounting_method: SCREW PLATE ON CASE BACK EARPHONE, overall_diameter: 1.986 INCHES NOMINAL IN, special_features: THIS IS A 1000 OHM EARPHONE USED IN MK-1697/G WITH COMBAT VEHICLE CREW MEMBERS HELMETS, terminal_location: EXTERNAL. This part is cataloged in the U.S.

Government catalog under NSN 5965-00-135-0506, 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

993-9251

NSN: 5965-00-135-0506
FSC: 5965 — Headsets, Handsets, Microphones and Speakers
CAGE: 81134 — BOSCH SECURITY SYSTEMS, INC DBA USE CAGE CODE 25734 FOR CATALOGING DIV COMMUNICATIONS DIVISION (USA)

SPECIFICATIONS

body_style	EARPHONE, CIRCULAR
terminal_type	SETSCREW
mounting_method	SCREW PLATE ON CASE BACK EARPHONE
overall_diameter	1.986 INCHES NOMINAL IN
special_features	THIS IS A 1000 OHM EARPHONE USED IN MK-1697/G WITH COMBAT VEHICLE CREW MEMBERS HELMETS
terminal_location	EXTERNAL
terminal_quantity	2
input_terminal_type	SCREW SIGNAL
earphone_overall_depth	0.475 INCHES NOMINAL IN
impedance_rating_in_ohms	1000.0 NOMINAL
NSN	5965-00-135-0506

COMPONENT DIAGRAM

KEY FEATURES

•

TERMINAL QUANTITY: 2

•

BODY STYLE: EARPHONE, CIRCULAR

•

TERMINAL TYPE: SETSCREW

•

INPUT TERMINAL TYPE: SCREW SIGNAL

•

OVERALL DIAMETER: 1.986 INCHES NOMINAL IN

•

MOUNTING METHOD: SCREW PLATE ON CASE BACK EARPHONE

•

IMPEDANCE RATING IN OHMS: 1000.0 NOMINAL

•

TERMINAL LOCATION: EXTERNAL

TECHNICAL CHARACTERISTICS

TERMINAL QUANTITY	2
BODY STYLE	EARPHONE, CIRCULAR
TERMINAL TYPE	SETSCREW
INPUT TERMINAL TYPE	SCREW SIGNAL
OVERALL DIAMETER	1.986 INCHES NOMINAL IN
MOUNTING METHOD	SCREW PLATE ON CASE BACK EARPHONE
IMPEDANCE RATING IN OHMS	1000.0 NOMINAL
TERMINAL LOCATION	EXTERNAL
EARPHONE OVERALL DEPTH	0.475 INCHES NOMINAL IN
SPECIAL FEATURES	THIS IS A 1000 OHM EARPHONE USED IN MK-1697/G WITH COMBAT VEHICLE CREW MEMBERS HELMETS

SUBSTITUTES & CROSS-REFERENCES 5

SM-B-933877Reference document

Same NSN cross-reference

Reference document — Secondary reference

933877Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

993Reference document

Same NSN cross-reference

Reference document — Secondary reference

71B2383Reference document

Same NSN cross-reference

Reference document — Secondary reference

10498Reference 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 993-9251?

993-9251 is a EARPHONE.

What parts can replace 993-9251?

There are 5 known substitutes for 993-9251: SM-B-933877, 933877, 993 and 2 more. Substitute compatibility should be verified for your specific system.

What is the NSN for 993-9251?

993-9251 is cataloged in the U.S. Government catalog under NSN 5965-00-135-0506. This indicates validated use in U.S. government and defense supply chains.

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993-9251 — EARPHONE

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