Model: M28748/4-K4BL2A

Electrical Plug Connector

Properties:

Thread Class
2a and 2b
Thread Direction
Right-hand and right-hand
Body Style
Hood, top opening w/clamp
Overall Length
Between 2.578 inches and 2.670 inches
Overall Height
1.550 inches
Overall Width
1.370 inches
Environmental Protection
Humidity resistant and shock resistant and thermal shock resistant and vibration resistant
Cable Entrance Diameter
0.550 inches
Threaded Device Type
Coupling facility
Mating End Quantity
1
Contact Position Arrangement Style
75 single mating end
Contact Removability
Removable single mating end single contact grouping
Contact Maximum Current Rating In Amps
7.5 single mating end single contact grouping
Polarization Method
Jackscrew and shell
Shell Type
Hood, top opening
Connector Locking Method
Jackscrew-socket
Connector Cable Strain Relief Method
Cable clamp
Operating Tempurature Rating
Between -55.0 degrees celsius and 125.0 degrees celsius
Thready Qty Per Inch (tpi)
32
Thread Size
0.138 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 diallyl phthalate glass filled 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
Contact Material Specification
Qq-c-530 federal specification single material response and qq-c-533 federal specification single material response single mating end single contact grouping
Shell Material
Aluminum alloy
Shell Surface Treatment
Anodize
Shell Surface Treatment Specification
Mil-a-8625, type 1 or 2 military specification single treatment response
Shell Material Specification
Qq-a-250/8 federal specification single material response
Insert Material Specification
Mil-m-14, ty sdg-f military specification single material response or mil-p-19833, ty gdi-30f military specification single material response single mating end
Shell Guide Type And Location Designator
B slot
Included Contact Quantity
75 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
0.075 gold grains, troy
Precious Material
Gold
Test Data Document
81349-mil-dtl-28748 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
Unc
Specification Data
81349-mil-dtl-28748/4 government specification
NSN
5935-01-346-8610
Part Number
M28748/4-K4BL2A
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 M28748/4-K4BL2A NSN 5935-01-346-8610

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:
0.3000lbs
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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