This is a Switchcraft A3M A Series 3 Pin XLR Male Cable Mount Silver Pins Nickel Connector.
This unit came from a working environment, but has not been tested further.
***MPN A3M
***OEM Switchcraft
***SKU*** 35034

This is a Amphenol 97-16S-8P Connectors (2 pack).
***MPN 97-16S-8P
***OEM Amphenol Corporation (AMP)
***SKU*** 34457

This is a Hubbell BRFTP4P Snap On Modular Plug.
As per the Hubbell website:
Features:
– Reuseable
– Terminates 24 and 26 AWG plenum or PVC cable
– No special tools required for termination
– Provides easy conductor identification and visual assurance that proper strain relief is provided on the cable jacket
***MPN BRFTP4P
***OEM Hubbell Incorporated
***SKU*** 34456

This item is a Winchester MRAC66P Rack & Panel Miniature Rectangular Connector with the following specifications:
– Number of contacts: 66
– Contact designation: P-pin
– Removable contacts
***MPN MRAC66P
***OEM Winchester Electronics
***SKU*** 33699

This item is a Winchester MRAC66PJ Rack & Panel Miniature Rectangular Connector with the following specifications:
– Number of contacts: 66
– Contact designation: P-pin
– Removable contacts
– Polarized fixed jackscrew and jacksocket
***MPN MRAC66PJ
***OEM Winchester Electronics
***SKU*** 33698

This item is a Winchester MRAC66SJTU Miniature Rectangular Rack and Panel Connector with the following specifications:
– Number of contacts: 66
– Contact designation: S-socket
– Removable contacts
– JTU option (Polarized short turning jackscrew and jacksocket with knurled round knob with screwdriver slot)

***MPN MRAC66SJTU
***OEM Winchester Electronics
***SKU*** 33697

This is an AMP 10-597261-721 Contacts (100 pack).
***MPN 10-597261-721
***OEM AMP Incorporated
***SKU*** 34445

This item is a Matrix MS3476W14-4P Connector
***MPN MS3476W14-4P
***OEM Matrix
***SKU*** 34442

This is a MS3475W22-12S.
***MPN MS3475W22-12S
***OEM Deutsch
***SKU*** 34441