Model: MK-253-021-335-220S-435

Electrical Receptacle Connector

Properties:

Thread Class
2b
Thread Direction
Right-hand
Body Style
Rectangular shape, angle
Overall Length
1.075 inches
Overall Height
0.438 inches
Overall Width
0.603 inches
Environmental Protection
Humidity resistant and vibration resistant and salt water resistant and corrosion resistant and shock resistant
Unthreaded Mounting Hole Diameter
Between 0.091 inches and 0.101 inches
Distance Between Mounting Facility Centers
0.865 inches
Threaded Device Type
Coupling facility
Mating End Quantity
1
Contact Position Arrangement Style
21 single mating end
Contact Removability
Nonremovable single mating end single contact grouping
Polarization Method
Mating end
Shell Type
Solid
Connector Locking Method
Post jacksocket
Operating Tempurature Rating
Between -55.0 degrees celsius and 125.0 degrees celsius
Thready Qty Per Inch (tpi)
56
Thread Size
0.086 inches
Terminal Location
Side 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 nickel single mating end single contact grouping
Insert Material
Plastic polyphenylene single mating end and glass fiber single mating end
Contact Surface Treatment Specification
Mil-g-45204, type 2, grade c or d, cl 1 military specification 1st treatment response single mating end single contact grouping and qq-n-290, cl 1 federal specification 2nd treatment response single mating end single contact grouping
Terminal Type
Pin single mating end single contact grouping
Contact Material Specification
Qq-c-530 federal specification single material response single mating end single contact grouping or qq-c-533 federal specification single material response single mating end single contact grouping
Shell Material
Aluminum alloy 380.0 or aluminum alloy
Shell Surface Treatment
Cadmium and chromate
Shell Surface Treatment Specification
Qq-p-416, type 2, cl 3 federal specification all treatment responses
Shell Material Specification
Qq-a-591 federal specification 1st material response or qq-a-200/8 federal specification 2nd material response or qq-a-250/11 federal specification 2nd material response
Insert Material Specification
Mil-m-24519 military specification all material responses single mating end
Included Contact Quantity
21 single mating end single contact grouping
Included Contact Type
Round pin single mating end single contact grouping
Precious Material And Location
Contact surfaces gold
Precious Material And Weight
0.021 gold grains, troy
Precious Material
Gold
Thread Series Designator
Unc
NSN
5935-01-351-1880
Part Number
MK-253-021-335-220S-435
Description
Connector,receptacle,electrical
CAGE
10400

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 MK-253-021-335-220S-435 NSN 5935-01-351-1880

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:
--
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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