MIL-PRF-25670
Earphone Elements, General Specification for (w/Amendment 5)
FSC: 5965
This specification covers the general requirements for earphone elements. These are products which have screw type terminals, and are used in communications headsets for applications requiring communication within high-noise conditions, at either ground-level or altitude. These parts meet established United States Air Force safety standards for signal-generating equipment mounted in close-proximity to the human ear.
Points of Contact:
Sound Group
Phone: 614-692-9389
Email: Sound@dla.mil
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Document Downloads
Earphone Elements, General Specification for (w/Amendment 5)
Revision: B, Dated: 02 May 2022
File Name: prf25670.pdf, File Size: 234 kb
Earphone Element H-136/AIC
Dated: 26 August 2024
File name: prf25670ss1.pdf, File Size: 277 kb
Earphone Element, High- and Low-Altitude, H-143/AIC, and Low-Altitude, Water-Immersible, H-143A/AIC
Dated: 26 August 2024
File name: prf25670ss2.pdf, File Size: 204 kb
Earphone Element High- and Low-Altitude, M25670/4-01 (Cancellation Notice)
Dated: 23 July 1999
File name: prf25670ss4not1.pdf, File Size: 15 kb
Earphone Element, 1000 Ohm Ground Level, Water-Immersible, M25670/5-01
Dated: 26 August 2024
File name: prf25670ss5.pdf, File Size: 101 kb
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