Model: 81C90-20

Electron Tube

Special Features:

90.0 vdc; surge voltage protector; envelope material: glass; weapon system essential

Properties:

End Application
Regency net system (an/trc-17 (v), an/frc-180(v), an/grc-215); virginia class cgn (41); los angeles class ssn (688); spruance class dd (963); integrated launch & recovery tv surveillance sys (ilarts); missile, all-weather antiship, harpoon (agm-84); navstar global positioning system user equipment (ue); ticonderoga class cg (47); missile, air-to-air, phoenix (aim-54)
Criticality Code Justification
Feat
NSN
5960-00-791-1601
Part Number
81C90-20
Description
Electron Tube
CAGE
25088

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 81C90-20 NSN 5960-00-791-1601

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:
P
PMIC:
U
ESD:
ESD:
MMAC:
EH
CRITL:
Y

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.1000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
M
SPI No.:
SPI Rev.:
SPC Mkg:
37
LVL_A:
Q
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
063476
UFC:
35396
LTL:
RATING VARIABLE
LCL:
--
WCC:
724
TCC:
Z
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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