Model: 4D21

Electron Tube

Properties:

Tube Type
Tetrode
Nondefinitive Specification/std Data
4d21 type
NSN
5960-00-188-0921
Part Number
4D21
Description
Electron Tube
CAGE
81349

An inclosure, including two or more electrodes, in which a flow of electrons may occur through a vacuum or a contained gas. The electronic conduction takes place either by means of electrons emitted from a cathode or by ionization of the contained gas. Includes phototubes (photoemissive type only), geiger-mueller tubes, traveling wave tubes, cathode ray tubes and microwave tubes (klystron, magnetron, or the like). Excludes items whose primary purpose is to produce light energy. Also excludes photoelectric cell; and semiconductor device (as modified).

Part 4D21 NSN 5960-00-188-0921

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
00001
FIIG:
A516K0
Concept No.:
App. Key:
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:
Y
PMIC:
U
ESD:
ESD:
MMAC:
EH
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
1.0000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
M
SPI No.:
J001514933
SPI Rev.:
B
SPC Mkg:
ZZ
LVL_A:
Z
LVL_B:

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
063473
UFC:
35392
LTL:
RATING VARIABLE
LCL:
--
WCC:
491
TCC:
N
SHC:
9
ACC:
Instruments/Radio

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Schedule B and Export
  • Schedule B: 8540890020
  • SITC: 77627
  • End Use: Telecommunications equipment
  • NAICS: 334419
  • USDA: 1

Freight Class: Gas and vapor electron tubes, nesoi

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