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NM872 — EARPHONE ELEMENT

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

NM872: EARPHONE ELEMENT.

The EARPHONE ELEMENT is a the manufacturer industrial component. Key specifications include body_style: EARPHONE ELEMENT, CIRCULAR, overall_diameter: 1.750 INCHES NOMINAL IN, earphone_element_type: MAGNETIC, earphone_element_depth: 1.813 INCHES NOMINAL IN, impedance_rating_in_ohms: 6700.0 NOMINAL, reference_frequency_in_hertz: 130.71. This part is cataloged in the U.S.

Government catalog under NSN 5965-00-313-9049, 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
NM872
NSN: 5965-00-313-9049
FSC: 5965 — Headsets, Handsets, Microphones and Speakers
CAGE: 07806 — NATIONAL METALCRAFTERS INC (USA)
SPECIFICATIONS
body_styleEARPHONE ELEMENT, CIRCULAR
overall_diameter1.750 INCHES NOMINAL IN
earphone_element_typeMAGNETIC
earphone_element_depth1.813 INCHES NOMINAL IN
impedance_rating_in_ohms6700.0 NOMINAL
reference_frequency_in_hertz130.71
acoustic_sensitivity_reference_ratingNOT RATED
NSN5965-00-313-9049
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available EARPHONE ELEMENT TITLE COMPONENT PN NM872 MFR EARPHONE ELEMENT
KEY FEATURES
•
ACOUSTIC SENSITIVITY REFERENCE RATING: NOT RATED
•
BODY STYLE: EARPHONE ELEMENT, CIRCULAR
•
OVERALL DIAMETER: 1.750 INCHES NOMINAL IN
•
IMPEDANCE RATING IN OHMS: 6700.0 NOMINAL
•
REFERENCE FREQUENCY IN HERTZ: 130.71
•
EARPHONE ELEMENT DEPTH: 1.813 INCHES NOMINAL IN
•
EARPHONE ELEMENT TYPE: MAGNETIC
TECHNICAL CHARACTERISTICS
ACOUSTIC SENSITIVITY REFERENCE RATINGNOT RATED
BODY STYLEEARPHONE ELEMENT, CIRCULAR
OVERALL DIAMETER1.750 INCHES NOMINAL IN
IMPEDANCE RATING IN OHMS6700.0 NOMINAL
REFERENCE FREQUENCY IN HERTZ130.71
EARPHONE ELEMENT DEPTH1.813 INCHES NOMINAL IN
EARPHONE ELEMENT TYPEMAGNETIC
OTHER ITEMS IN FSC 5965 — Headsets, Handsets, Microphones and Speakers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5965-00-001-1492 5965-00-001-7591 5965-00-001-7592 5965-00-001-7593 5965-00-003-2686 5965-00-003-2690 5965-00-003-4754 5965-00-004-5510
SUBSTITUTES & CROSS-REFERENCES 3
K706CALT1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
18-12ITEM55Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
BB57S65-931PC18Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is NM872?
NM872 is a EARPHONE ELEMENT.
What parts can replace NM872?
There are 3 known substitutes for NM872: K706CALT1, 18-12ITEM55, BB57S65-931PC18. Substitute compatibility should be verified for your specific system.
What is the NSN for NM872?
NM872 is cataloged in the U.S. Government catalog under NSN 5965-00-313-9049. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.