Mechanical Details:
Shell Style / Model: FVB - straight plug for special cable crimping
Keying: 2 keys (alpha=60, plug: male contacts, receptacle: female contacts)
Housing Material: Brass (nickel plated) shell, collet nut, latch sleeve and mid pieces
Performance Details:
Contact Type: Solder
Diameter: Contact: 0.02 in | 0.5 mm

Features & description:
this 3pin connector plug compatible with FVB.00.303.NLAE24.
Socket:EEB.00.303.
Straight plug with key (B), 00 series, short shell for special cable crimping and with strain relief boot 
widely used in audio applications due to the highly reliable gold-plated contact system and rugged outer shell design. 
The replacement FVB.00.303.NLAE24 is ideal for use with the Sennheiser Evolution wireless microphone system. Shure, Sony, Wisycom and Zaxcom transmitters.