Model: M28840/12AC1G4

Electrical Receptacle Connector

Special Features:

Insert arrangement 15-1; also 20.20 wire size socket contact in lieu of 20-22

Properties:

Thread Class
2a
Thread Direction
Right-hand
Body Style
Straight shape, external coupling
Overall Length
1.625 inches
Overall Height
Between 1.238 inches and 1.278 inches
Overall Width
Between 1.238 inches and 1.278 inches
Environmental Protection
Moisture resistant and corrosion resistant and thermal shock resistant and vibration resistant and heat resistant and cold resistant
Unthreaded Mounting Hole Diameter
Between 0.115 inches and 0.130 inches
Center To Center Distance Between Mounting Facilities Parallel To Height
0.968 inches
Distance Between Centerlines Of Mounting Facilities Parallel To Body Width
0.968 inches
Distance From Mounting Shoulder To Front Face
Between 0.878 inches and 0.898 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
103.0 and 160.0 and 220.0 and 294.0
Shell Type
Solid
Connector Locking Method
Externally threaded shell
Thread Length
0.625 inches
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
Criticality Code Justification
Feat
Terminal Type
Crimp single mating end single contact grouping
Shell Material
Aluminum
Shell Surface Treatment
Cadmium and chromate and nickel
Shell Surface Treatment Specification
Qq-p-416, type 2, cl 3 federal specification 1st treatment response and qq-p-416, type 2, cl 3 federal specification 2nd treatment response
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-28840/12 government specification
NSN
5935-01-239-7951
Part Number
M28840/12AC1G4
Description
Connector,receptacle,electrical
CAGE
81349

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 M28840/12AC1G4 NSN 5935-01-239-7951

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:
Y

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.2000lbs
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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