Model: 20B

Electron Tube Retainer

Properties:

Overall Height
2.375 inches
Overall Diameter
0.688 inches
Unthreaded Mounting Hole Diameter
0.132 inches single mounting facility
Distance From Retainer Center To Centerline Of Mounting Facility
0.469 inches
Eia Electron Tube Envelope Accommodated
T5-1/2
Mounting Facility Type And Quantity
1 unthreaded hole single mounting facility
Material
Any acceptable
Surface Treatment
Any acceptable
Style Designator
Helix spring hold down with hook
NSN
5960-00-273-2449
Part Number
20B
Description
Retainer,electron Tube
CAGE

An item specifically designed to restrain the movement of an electron tube when the latter is mounted in another item, normally a tube socket. Includes clamps, clips, and similar restraining devices specifically designed for this function.

Part 20B NSN 5960-00-273-2449

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
16182
FIIG:
A062A0
Concept No.:
App. Key:
J
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:
U
ESD:
ESD:
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
061680
UFC:
34570
LTL:
RATING VARIABLE
LCL:
77.5
WCC:
658
TCC:
Z
SHC:
9
ACC:
Instruments/Radio

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Schedule B and Export
  • Schedule B: 8540990000
  • SITC: 77629
  • End Use: Telecommunications equipment
  • NAICS: 334419
  • USDA: 1

Freight Class: Thermionic, cold cathode or photocathode tube parts, nesoi

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