Model: 499-056-078

Electrical Receptacle Connector

Properties:

Thread Class
2a
Thread Direction
Right-hand
Body Style
Straight shape, external coupling
Overall Length
1.469 inches
Overall Height
2.250 inches
Overall Width
2.250 inches
Unthreaded Mounting Hole Diameter
Between 0.171 inches and 0.177 inches
Center To Center Distance Between Mounting Facilities Parallel To Height
1.750 inches
Distance Between Centerlines Of Mounting Facilities Parallel To Body Width
1.750 inches
Distance From Mounting Shoulder To Front Face
Between 0.875 inches and 0.885 inches
Threaded Device Type
Back shell and coupling facility
Mating End Quantity
1
Contact Position Arrangement Style
32-73 single mating end
Contact Removability
Removable single mating end single contact grouping
Contact Maximum Current Rating In Amps
13.0 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
Key, multiple key groove
Insert Position In Deg
344.0
Shell Type
Solid
Connector Locking Method
Externally threaded shell
Thready Qty Per Inch (tpi)
18 and 18
Thread Size
1.875 inches and 2.000 inches
Terminal Location
Back single mating end single contact grouping
Contact Material
Copper alloy single mating end single contact grouping
Contact Surface Treatment
Gold single mating end single contact grouping and silver single mating end single contact grouping
Contact Surface Treatment Specification
Mil-g-45204, type 1, grade c or d, class 1 military specification 1st treatment response single mating end single contact grouping and qq-s-365 federal specification 2nd treatment response single mating end single contact grouping
Terminal Type
Crimp single mating end single contact grouping
Contact Material Specification
Mil-g-45204, type 1, grade c or d, class 1 military specification single material response single mating end single contact grouping
Shell Material
Aluminum alloy
Shell Surface Treatment
Cadmium
Included Contact Quantity
46 single mating end single contact grouping
Included Contact Type
Round pin single mating end single contact grouping
Precious Material And Location
Contact surfaces gold and contact surfaces silver
Precious Material And Weight
0.054 gold grains, troy and 0.054 silver grains, troy
Precious Material
Gold and silver
Thread Series Designator
Unef and uns
NSN
5935-01-039-4550
Part Number
499-056-078
Description
Connector,receptacle,electrical
CAGE
07421

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 499-056-078 NSN 5935-01-039-4550

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

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.5000lbs
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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