How to return value of Loc value from url angular 7 ?

Question

How to return Loc value from link URL angular 7 ?

i need actually to return value of loc related to location

meaning i only need to return value 27737

i need to only value of Loc from json object from URL

so my question How to write service and calling

this service on component ngoninit event

I actually need to return only one value from this url

so that

How to write service and calling on component ngoninit event

apiservice.ts

How to create service return only one value from url object ?

http://192.168.4.233:9200/pcn/_search

and on component.ts
ngoninit
{
//How to call service and return data on variable
}

{
"_index": "partsdb",
"_type": "_doc",
"_id": "10",
"_version": 32,
"_seq_no": 115683922,
"_primary_term": 2,
"found": true,
"_source": {
"PID": 10,
"CID": 1005070,
"CN": "Texas Instruments Incorporated",
"PN": "THS6002CDWP",
"Eq": "Driver, Receiver and Transceiver Interface Transceiver 2 2 20HSOIC Tube",
"FID": 4,
"FN": "THS6002",
"PaID": 5260,
"PaN": "20-HSOIC",
"PLID": 523842,
"PLN": "Driver, Receiver and Transceiver Interfaces",
"PLC": "Active",
"PIDT": 2007,
"ObY": 2024,
"NPI": false,
"FT": "THS6002 Dual Differential Line Driver/Receiver",
"DS": "277399925",
"FIDT": 1998,
"LCRev": 20777025,
"Masked_ID": 6012356,
"Compliance": [
{
"RS": "Compliant",
"RET": "None",
"RV": "2015/863",
"RST": "Datasheet",
"CRS": "Compliant",
"HTS": "Compliant",
"RES": "Compliant",
"RESV": "JUL 2019 (201)",
"PNDR": 49416942,
"RHV": 963041,
"RECV": 273158534,
"HFR": 49416942
}
],
"
"OtherQualification": [
{
"FN": "Reliability",
"FV": "Yes",
"R": 283151994
},
{
"FN": "Confidence Level",
"FV": "60",
"R": 283151994
},
{
"FN": "Fails Quantity",
"FV": "0",
"R": 283151994
},
{
"FN": "Test Duration",
"FV": "1000",
"R": 283151994
},
{
"FN": "Test Temperature",
"FV": "125°C",
"R": 283151994
},
{
"FN": "MTBF/MTTF(Hrs)",
"FV": "5.58E8",
"R": 283151994
},
{
"FN": "Activation Energy/Test Voltage",
"FV": "0.7",
"R": 283151994
},
{
"FN": "Calculated Failure Rate(FIT)",
"FV": "1.8",
"R": 283151994
},
{
"FN": "Usage Temperature",
"FV": "55°C",
"R": 283151994
},
{
"FN": "Sample Size",
"FV": "6515",
"R": 283151994
},
{
"FN": "Application",
"FV": "Commercial",
"R": 10792132
}
],
"Parametric": [
{
"FN": "Receiver Hysteresis",
"N": "N/A",
"V": -9.999999990000000e+008,
"T": 1,
"O": 10
},
{
"FN": "Data Rate",
"N": "N/A",
"V": -9.999999990000000e+008,
"T": 1,
"O": 4
},
{
"FN": "Minimum Operating Temperature",
"N": "0°C",
"V": 0.000000000000000e+000,
"U": "°C",
"T": 1,
"O": 11
},
{
"FN": "Maximum Operating Temperature",
"N": "70°C",
"V": 7.000000000000000e+001,
"U": "°C",
"T": 1,
"O": 12
},
{
"FN": "Maximum Supply Current",
"N": "40mA",
"V": 4.000000000000000e-002,
"U": "A",
"T": 1,
"O": 7
},
{
"FN": "Minimum Supply Voltage",
"N": "9V, ±4.5V",
"T": 1,
"O": 5
},
{
"FN": "Maximum Supply Voltage",
"N": "32V, ±16V",
"T": 1,
"O": 6
},
{
"FN": "ESD Protection Voltage",
"N": "N/A",
"V": -9.999999990000000e+008,
"T": 1,
"O": 13
},
{
"FN": "ESD Protection",
"N": "No",
"T": 1,
"O": 0
},
{
"FN": "Type",
"N": "Transceiver",
"T": 2,
"O": 1
},
{
"FN": "Protocol",
"N": "DSL",
"T": 2,
"O": 8
},
{
"FN": "Number of Drivers",
"N": "2",
"V": 2.000000000000000e+000,
"U": "",
"T": 2,
"O": 2
},
{
"FN": "Number of Receivers",
"N": "2",
"V": 2.000000000000000e+000,
"U": "",
"T": 2,
"O": 3
},
{
"FN": "Duplex",
"N": "Full",
"T": 2,
"O": 9
},
{
"FN": "Interface Type",
"N": "Others",
"T": 2,
"O": 0
}
],
"TradeCodes": [
{
"C": "8542390001",
"CT": "HTS-US",
"R": 266969774
}
],
"Tags": [
{
"T": "Green"
},
{
"T": "Supply Chain 3"
}
],
"Crs": [
{
"CrID": 5014000201,
"PckdD": 276,
"PinID": 0,
"UpgrID": 5014000069,
"CrsCnt": 0
}
],
"Locations": [
{
"Loc": 27737,
"Fab": "Assembly"
}
],
"FMDs": [
{
"CMD": 624216,

 so can you help me to return value of loc from location object

meaning i need to write service 

then call it to return value of loc 27737