Model: MIL-C-28840/21

Electrical Plug Connector

Properties:

Thread Class
2b
Thread Direction
Right-hand
Body Style
Straight shape, internal coupling w/strain relief
Body Length
7.188 inches
Overall Diameter
1.593 inches
Environmental Protection
Moisture resistant and corrosion resistant and thermal shock resistant and vibration resistant and heat resistant and cold resistant
Cable Entrance Diameter
Between 0.438 inches and 0.750 inches
Threaded Device Type
Coupling facility
Mating End Quantity
1
Contact Position Arrangement Style
15-21 single mating end
Contact Removability
Removable single mating end single contact grouping
Polarization Method
Keyway or multiple keyway
Insert Position In Deg
0.0 and 67.0 and 164.0 and 218.0 and 280.0
Shell Type
Solid
Connector Locking Method
Internally threaded shell
Connector Cable Strain Relief Method
Cable clamp
Operating Tempurature Rating
Between -55.0 degrees celsius and 200.0 degrees celsius
Thready Qty Per Inch (tpi)
10
Thread Size
1.062 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
Insert Material
Plastic fluorosilicone single mating end
Contact Surface Treatment Specification
Mil-g-45204 military specification single treatment response single mating end single contact grouping
Terminal Type
Crimp single mating end single contact grouping
Shell Material
Aluminum alloy
Shell Surface Treatment
Cadmium and chromate
Shell Surface Treatment Specification
Qq-p-416, type 2, cl 1 or 2 federal specification all treatment responses
Included Contact Quantity
21 single mating end single contact grouping
Included Contact Type
Round socket 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
Test Data Document
81349-mil-c-28840 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
Double stub
Specification Data
81349-mil-c-28840/21 government specification
NSN
5935-01-317-4051
Part Number
MIL-C-28840/21
Description
Connector,plug,electrical
CAGE
81349

An electrical fitting with electrical contacts, constructed to be affixed to the end of a cable, conduit, coaxial line, cord or wiring for convenience in joining with other electrical connector(s) or printed wiring board and is not designed to be mounted on a bulkhead, chasses, panel, printed wiring board, or the like. Excludes jack, telephone; jack, tip; plug, telephone; plug tip; insert, electrical connector; connector body (as modified); and socket, plug-in, electronic components. see also lead assembly, electrical; wiring harness (as modified); and cable assembly (as modified). for items without inserts, see shell, electrical connector.

Part MIL-C-28840/21 NSN 5935-01-317-4051

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
01938
FIIG:
A039B0
Concept No.:
App. Key:
G
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:
0.6000lbs
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: 8536695050
  • SITC: 77258
  • End Use: Electric apparatus
  • NAICS: 335931
  • USDA: 1

Freight Class: Electrical plugs & sockets, for a voltage not exceeding 1,000 v, nesoi

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