Model: 7540

Electrical Receptacle Connector

Properties:

Thread Class
2a
Thread Direction
Right-hand
Body Style
Straight shape, external coupling
Overall Length
1.938 inches
Overall Height
Between 1.469 inches and 1.531 inches
Overall Width
Between 1.469 inches and 1.531 inches
Environmental Protection
Moisture resistant and vibration resistant and salt water resistant
Unthreaded Mounting Hole Diameter
Between 0.115 inches and 0.130 inches
Center To Center Distance Between Mounting Facilities Parallel To Height
Between 1.151 inches and 1.161 inches
Distance Between Centerlines Of Mounting Facilities Parallel To Body Width
Between 1.151 inches and 1.161 inches
Distance From Mounting Shoulder To Front Face
Between 0.750 inches and 0.781 inches
Threaded Device Type
Coupling facility
Mating End Quantity
1
Contact Position Arrangement Style
20-23 single mating end
Contact Removability
Nonremovable single mating end single contact grouping
Contact Maximum Current Rating In Amps
73.0 single mating end single contact grouping
Contact Maximum Ac Voltage Rating In Volts
500.0 single mating end single contact grouping
Contact Maximum Dc Voltage Rating In Volts
700.0 single mating end single contact grouping
Polarization Method
Keyway or multiple keyway
Insert Position In Deg
0.0
Shell Type
Solid
Connector Locking Method
Externally threaded shell
Thread Size
1.250 inches
Terminal Location
Back single mating end single contact grouping
Contact Surface Treatment
Gold single mating end single contact grouping
Insert Material
Rubber single mating end
Contact Surface Treatment Specification
Mil-g-45204 military specification single treatment response single mating end single contact grouping
Terminal Type
Solder well single mating end single contact grouping
Shell Material
Aluminum alloy
Shell Surface Treatment
Cadmium
Shell Surface Treatment Specification
Qq-p-416, type 2, cl 3 federal specification single treatment response
Included Contact Quantity
2 single mating end single contact grouping
Included Contact Type
Round pin single mating end single contact grouping
Precious Material And Location
Contact surfaces gold
Test Data Document
81349-milc5015 specification (includes engineering type bulletins, brochures, etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "", etc.).
Thread Series Designator
Unef
NSN
5935-00-283-2687
Part Number
7540
Description
Connector,receptacle,electrical
CAGE
50309

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 7540 NSN 5935-00-283-2687

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:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
061680
UFC:
34570
LTL:
RATING VARIABLE
LCL:
77.5
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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