Model: 157-049

Matched Electron Tubes

Properties:

Tube Size Designation
12au7
Controlling Agency
Tektronix inc
Envelope Material
Glass
Manufacturer Classification
Dual triode
Individual Tube Quantity
2
Matched Characteristic
Aged-differential-balanced
NSN
5960-00-688-8788
Part Number
157-049
Description
Electron Tubes,matched
CAGE
80009

A grouping of two or more separate electron tubes which have been matched together for a given characteristic such as transconductance. The matched values must be equal or within a specified tolerance. Includes only those tubes designed and specifically tested to provide a desired function. Excludes transistors, semiconductor devices and electron tubes which may be of an identical type but do not meet the above requirements.

Part 157-049 NSN 5960-00-688-8788

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
20936
FIIG:
T326-B
Concept No.:
App. Key:
BA
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:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.2000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
M
SPI No.:
SPI Rev.:
SPC Mkg:
36
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: 8538907020
  • SITC: 77282
  • End Use: Electric apparatus
  • NAICS: 335313
  • USDA: 1

Freight Class: Automatic circuit breaker parts for headings 8535, 8536 or 8537

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