Model: 126-20753

Electrical Receptacle Connector

Properties:

Thread Class
2a
Thread Direction
Right-hand
Body Style
Rectangular shape
Overall Length
Between 3.900 inches and 4.000 inches
Center To Center Distance Between Mounting Facilities Parallel To Length
Between 3.544 inches and 3.554 inches
Overall Height
1.781 inches
Overall Width
Between 1.120 inches and 1.130 inches
Distance Between Centerlines Of Mounting Facilities Parallel To Body Width
Between 0.497 inches and 0.503 inches
Threaded Device Type
Mounting stud
Mating End Quantity
1
Contact Position Arrangement Style
78 single mating end
Contact Removability
Nonremovable single mating end all contact groupings
Contact Maximum Ac Voltage Rating In Volts
325.0 single mating end 2nd contact grouping
Contact Maximum Ac Voltage Rating In Volts
650.0 single mating end 1st contact grouping
Polarization Method
Mating end
Shell Type
Solid
Connector Locking Method
Friction
Radio Frequency Type Contact Characteristic Impedance In Ohms
50.0 single mating end all contact groupings
Thready Qty Per Inch (tpi)
32
Thread Size
0.138 inches
Terminal Location
Back single mating end all contact groupings
Contact Material
Beryllium single mating end all contact groupings and copper alloy single mating end all contact groupings
Contact Surface Treatment
Gold single mating end 1st contact grouping and silver single mating end 1st contact grouping
Contact Surface Treatment
Rhodium single mating end 2nd contact grouping and silver single mating end 2nd contact grouping
Insert Material
Plastic diallyl phthalate single mating end
Contact Surface Treatment Specification
Mil-g-45204 military specification 1st treatment response single mating end 1st contact grouping and qq-s-365 federal specification 2nd treatment response single mating end 1st contact grouping
Terminal Type
Solder well single mating end all contact groupings
Contact Material Specification
Qq-c-530 federal specification all material responses single mating end all contact groupings
Shell Material
Aluminum alloy
Shell Surface Treatment
Chromate
Shell Surface Treatment Specification
Mil-c-5541 military specification single treatment response
Shell Material Specification
Qq-a-591 federal specification single material response
Insert Material Specification
Mil-m-14 military specification single material response single mating end
Included Contact Quantity
3 single mating end 1st contact grouping
Included Contact Quantity
75 single mating end 2nd contact grouping
Included Contact Type
Coaxial socket single mating end 2nd contact grouping
Included Contact Type
Round socket single mating end 1st contact grouping
Precious Material And Location
Contact surfaces gold and contact surfaces silver and contact surfaces rhodium
Precious Material And Weight
0.015 gold grains, troy and 0.075 silver grains, troy and 0.078 rhodium grains, troy
Precious Material
Gold and silver and rhodium
Thread Series Designator
Unc
NSN
5935-00-811-8635
Part Number
126-20753
Description
Connector,receptacle,electrical
CAGE
57057

An electrical fitting with electrical contacts constructed to be affixed to the end of a cable, conduit, coaxial line, cord, wire (includes printed/etched), printed wiring board, or the like for convenience in joining with another electrical connector(s) or printed wiring board. It is designed to be mounted on a bulkhead, chassis, panel, wall, printed wiring board, or the like. Excludes lampholder; jack, telephone; jack, tip; insert electrical connector; insert module, electrical connector; connector body (as modified) and socket, plug-in electronic components. See also wiring harness (as modified) and cable assembly (as modified). For items with termination wires of more than four inches in length, see lead assembly, electrical. For items without inserts, see shell, electrical connector.

Part 126-20753 NSN 5935-00-811-8635

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
15093
FIIG:
A039B0
Concept No.:
App. Key:
K
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
P
PMIC:
G
ESD:
ESD:
MMAC:
EH
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
4.0 X 1.1 X 1.8
Paclk Weight:
1.0000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
Q
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
061680
UFC:
34570
LTL:
RATING VARIABLE
LCL:
--
WCC:
658
TCC:
Z
SHC:
9
ACC:
Instruments/Radio

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Schedule B and Export
  • Schedule B: 8538907080
  • SITC: 77282
  • End Use: Electric apparatus
  • NAICS: 335314
  • USDA: 1

Freight Class: Parts suitable for use solely or principally with the apparatus for heading 8535, 8536,8537, nesoi

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