The M39029/58-363 is a standard Pin Crimp Contact for MIL-DTL-38999 Series I, II, III and IV connectors. It accepts 20 to 24 AWG wire size and made of
The Differences Between MIL-DTL-38999 Series I, II, and III Connectors - Connector and Cable Assembly Supplier
D38999: Square Flange, 11-98 insert
TE Connectivity DEUTSCH - M39029/22-192 - Socket Contact, Size 20, Female, 20-24 AWG, Crimp Termination, Deutsch - RS
MIL-DTL-38999 Connector Series IV: DLA QPL Environmental and Hermetic Connectors Plus EMI Filters and more - Glenair
Amphenol MIL-DTL-38999 Series II JT Connectors
MIL DTL 38999 Quadrax White Paper, PDF, Electrical Connector
ITT Cannon KJB Series 38999 Series III Circular Connectors
Mil-Spec Circular Connectors Product Roundup
D38999/20FJ24SC - Amphenol Aerospace - Circular Connector, MIL-DTL-38999 Series III, Wall Mount Receptacle
MIL-DTL-38999 Connectors: Mil Spec
Deutsch - Te Connectivity Circular Connector, Plug, 15-97, Cable - D38999/26WD97PN: Electronic Components: : Industrial & Scientific
Amphenol - D38999/20KE26PN - D38999/20KE26PN - Circular Connector, MIL-DTL-38999 Series III, Wall Mount Receptacle, 26 Contacts, Crimp Pin