PT07A-22-55S - 

PT07 Series, Miniature Cylindrical Connectors, Jam Nut Receptacle

Receptacles mate with plugs. Ordering Examples: General Purpose — PT06A-10-6S; Thru Bulkhead — PTB-10-6PS; General Purpose with Strain Relief — PT01A-10-6S-SR.
These miniature cylindrical connectors offer twice the number of contacts in just half the size of a standard connector. In all series, pin and socket contacts are machined from low loss copper alloy and gold plated to eliminate contact corrosion and provide an indefinite shelf life. All series incorporate closed entry socket contacts.