Model: M55310/20B21A40.

Crystal Controlled Oscillator

Special Features:

Weapon systems item used on f/a-18 hornet aircraft

Properties:

Overall Length
Between 0.635 inches and 0.665 inches
Overall Height
0.085 inches
Overall Width
Between 0.635 inches and 0.665 inches
Environmental Protection
Moisture proof
Operating Tempurature Range
-55.0/+125.0 degrees celsius
Storage Tempurature Range
-62.0/+125.0 degrees celsius
Average Life Measurement
Not rated
Basic Shape Style
Rectangular or square
Inclosure Type
Hermetically sealed
Operating Control Method
Automatic
Installation Design
Module
Control Type
Remote
Circuit Construction Type
Solid state
Frequency Per Channel
40.0 megahertz operating channel
Connection Contact Type And Quantity
44 liters of liquid nitrogen drain
External Dc Operating Voltage In Volts
4.5 single voltage and 5.5 single voltage
Criticality Code Justification
Feat
Test Data Document
81349-mil-o-55310 specification (includes engineering type bulletins, brochures, etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "", etc.).
Specification Data
81349-mil-o-55310/20 government specification
NSN
5955-01-286-9090
Part Number
M55310/20B21A40.
Description
Oscillator,crystal Controlled
CAGE
81349

An oscillator whose operating frequency(ies) is controlled by a crystal unit, quartz. For an oscillator controlled by a device other than a crystal, see oscillator (1), noncrystal controlled. See also generator, signal; and calibrator, frequency. Excludes frequency supply, telephone carrier; resonator, tuning fork; and oscillator, pulse delay.

Part M55310/20B21A40. NSN 5955-01-286-9090

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
34690
FIIG:
A32200
Concept No.:
1
App. Key:
A
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:
A
ESD:
B
ESD:
B
MMAC:
CRITL:
Y

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
0.7 X 0.7 X 0.1
Paclk Weight:
0.8000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
M
SPI No.:
SPI Rev.:
SPC Mkg:
39
LVL_A:
Q
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
061700
UFC:
34580
LTL:
RATING VARIABLE
LCL:
--
WCC:
72D
TCC:
Z
SHC:
9
ACC:
Instruments/Radio

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Schedule B and Export
  • Schedule B: 8541600060
  • SITC: 77681
  • End Use: Semiconductors
  • NAICS: 334419
  • USDA: 1

Freight Class: Mounted piezoelectric crystals, quartz, designed for operating frequencies exceeding 20 mhz

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