CYLINDRICAL PRX - E2E-X5F1-M1 OMS OMRON :

PROXIMITY SENSOR
Avnet

Standard sensors for detecting ferrous metalsWide array of variations. Ideal for a variety of applicationsModels with different frequencies are also available to prevent mutual interferenceSuperior environment resistance with standard cable made of oil resistant PVC and sensing surface made of material that resists cutting oilUseful to help prevent disconnectionCable protector provided as a standard feature
ShopCross

Proximity Sensor, Inductive, 18mm, 12-24DC
Newegg Business

Proximity Sensor,Inductive,18mm,PNP,NO
Zoro

Switch proximity inductive M18 PNP
RS Components

Inductive Proximity Sensor Sensor Input:Inductive; Sensing Range:5mm; Supply Voltage Range DC:10V to 40V; Sensing Range Max:5mm; Supply Voltage Max:30VDC; Supply Voltage Min:10VDC; Sensor Housing:Cylindrical; Sensor Output:PNP
TodayComponents

IND PROX,CYL-M18,MICRO CHNG,SHLD,PNP,NO,5MM
Electro Sonic

Inductive Proximity Sensor; Sensor Input:Inductive; Sensing Range:0mm to 5mm; Supply Voltage Range DC:10V to 40V; Sensing Range:5mm; Sensing Range Max:5mm; Sensor Housing:Cylindrical; Sensor Output:PNP; Supply Voltage Max:30VDC
element14 APAC

SENS PROX M18 5MM DC3W-NO
Digi-Key

Sensors - Proximity Sensors PROXIMITY SENSOR
Mouser