Model: A31U19318-3

Electrical Ribbon Cable Assembly

Special Features:

Housing contains standard pressure copper alloy receptacle contacts plated with .000030 min inch thick gold over .000050 min inch thick nickel in mating area; p2 connector must mate and latch to amp part no 1-102158-0; p1 and p2 housing shall be thermoplastic; the housing is a 50 position header; pull tabs shall be provided; the cable shall be 50 ohm transmission line cable; 25 signal conductors; 50 grnd conductors 32 awg silver plated copper; 50 +-5 ohm impedance; 28 pico-farads per foot capacitance; 14 nanoseconds per foot propagation delay; pin 1 shall be clearly identified on p1 and p2; resistance of cable assembly shall be less than .21ohms for signal conductors and less than .18 ohms for grnd conductors; cable assemblies shall b able to withstand 300 vdc between any adjacent signal and/or grnd paths; impedance of assembly shall be 50 +-5 ohms

Properties:

End Application
Wsd 39a
Center To Center Distance Between Terminal Holes
0.100 inches
Termination Type
Connector receptacle both ends all conductors
Conductor Quantity
25
Conductor Form
Solid all conductors
Part Name Assigned By Controlling Agency
Cable assembly tlc 50 ohm
Round Conductor Size
30 awg all conductors
Conductor Arrangement And Quantity
25 molded
Material
Copper core conductor all conductors
Material
Silver alloy core coating all conductors
Precious Material And Location
All connector ends plated with 0.000050 inches thick gold and all conductors silver plated silver
Precious Material
Gold and silver
NSN
5995-01-521-8625
Part Number
A31U19318-3
Description
Cable Assembly,ribbon,electrical
CAGE

A definite continuous length of ribbon type cable, special purpose, electrical, having one or more ends (may or may not be branched) and/or intermediate positions processed or terminated with facilities which provide for electrical connections to other items. excludes cable assembly, printed, flexible; cable assembly, special purpose, electrical; and cable assemby, special purpose, electrical branched.

Part A31U19318-3 NSN 5995-01-521-8625

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
66492
FIIG:
A077A0
Concept No.:
App. Key:
AL
Cond. Code:
2
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
C
ESD:
ESD:
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
061130
UFC:
34350
LTL:
77.5
LCL:
--
WCC:
743
TCC:
Z
SHC:
9
ACC:
Instruments/Radio

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Schedule B and Export
  • Schedule B: 9030400000
  • SITC: 87477
  • End Use: Telecommunications equipment
  • NAICS: 334515
  • USDA: 1

Freight Class: Other instruments and apparatus, specially designed for telecommunications (for examle, cross-talk meters, gain measuring instruments etc)

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