Model: M81659/31A2-0025

Electrical Receptacle Connector

Properties:

Body Style
Straight shape, flush mount
Overall Length
1.634 inches
Overall Height
Between 1.997 inches and 2.027 inches
Overall Width
Between 1.985 inches and 2.015 inches
Environmental Protection
Humidity resistant and salt water resistant and shock resistant and thermal shock resistant and vibration resistant
Unthreaded Mounting Hole Diameter
Between 0.118 inches and 0.122 inches
Center To Center Distance Between Mounting Facilities Parallel To Height
1.720 inches
Distance Between Centerlines Of Mounting Facilities Parallel To Body Width
Between 1.725 inches and 1.765 inches
Distance From Mounting Shoulder To Front Face
Between 0.055 inches and 0.065 inches
Mating End Quantity
1
Contact Position Arrangement Style
57 single mating end
Contact Removability
Removable single mating end single contact grouping
Polarization Method
Mating end and guide pin/socket
Shell Type
Solid
Connector Locking Method
Friction
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 single mating end and plastic epoxy single mating end and plastic phenolic 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
Guide Design And Location
Hexagon shape female post left-hand at 12 oclock and hexagon shape female post center at 12 oclock and hexagon shape female post right-hand at 12 oclock
Shell Material
Aluminum alloy
Shell Surface Treatment
Cadmium and chromate
Shell Surface Treatment Specification
Qq-p-416 federal specification all treatment responses
Shell Material Specification
Qq-a-591 federal specification single material response or qq-a-367 federal specification single material response or qq-a-250 federal specification single material response
Included Contact Quantity
57 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
0.057 gold grains, troy
Precious Material
Gold
Test Data Document
81349-mil-c-81659 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.).
Specification Data
81349-mil-c-81659/31 government specification
NSN
5935-01-325-4429
Part Number
M81659/31A2-0025
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 M81659/31A2-0025 NSN 5935-01-325-4429

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:
12.0000lbs
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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