This is a 1000 ohm earphone used in mk-1697/g with combat vehicle crew members helmets
NSN 6105-00-455-8879
NSN 5930-00-269-4996
NSN 6645-01-421-2445
NSN 5999-01-245-8031
NSN 6645-01-582-9833
NSN 5925-00-196-6978
NSN 5996-00-277-7384
NSN 6320-00-931-4855
NSN 5915-00-456-0873
NSN 5930-01-421-3329
NSN 5925-00-140-6367
NSN 5930-01-300-9194
Last Updated: 04/29/2024