5955-00-254-4189

Quartz Crystal Unit email this page

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Reference images of this national stock number
Reference of NSN 5955-00-254-4189

Model or part number: CL18-4MHZ

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Description

Piezoelectric Crystal Unit NSN 5955-00-254-4189.

pdf NSN 5955-00-254-4189 Datasheet

MRC:
The dimension measured along the longitudinal axis with terminated points at the extreme ends of the item.ABHP
Overall Length:
1.013 inches
MRC:
A measurement of the longest dimension of a terminal,in distinction from width.ABJT
Terminal Length:
0.238 inches
MRC:
An overall measurement taken at right angles to the length of an item,in distinction from thickness.ABMK
Overall Width:
0.750 inches
MRC:
A measurement of the longest dimension of the body,in distinction from width.ADAQ
Body Length:
0.775 inches
MRC:
A measurement taken at right angles to the length of the body,in distinction from thickness.ADAT
Body Width:
0.725 inches
MRC:
A measurement of the smallest dimension of a body,in distinction from length or width.ADPR
Body Thickness:
0.317 inches
MRC:
An overall measurement of the smallest dimension of an item,in distinction from length or width.ADUM
Overall Thickness:
0.345 inches
MRC:
The length of a straight line which passes through the center of a terminal,and terminates at the circumference.AEBT
Terminal Diameter:
0.050 inches
MRC:
The mode of frequency at which the device is designed to operate.AEHC
Mode Of Oscillation:
Fundamental
MRC:
The condition existing when the frequency or vibration equals the natural frequency.AEHD
Circuit Resonance:
Series resonance
MRC:
The amount of electrical capacitance under a load condition,required for normal operation in a circuit,expressed in picofarads.AEHE
Load Capacitance In Picofarads:
Between 32.0 and 31.5 and 32.5
MRC:
The frequency at which the item is designed to operate under specified conditions.AEHG
Specified Frequency:
4.000 megahertz
MRC:
The element,compound,or mixture of which the holder cover is fabricated.AEHS
Holder Cover Material:
Metal or glass
MRC:
The minimum and maximum limits of temperature at which the item is rated for operation.AFGA
Operating Tempurature Range:
-55.0/+105.0 degrees celsius and -55.0/+125.0 degrees celsius
MRC:
None.CQBK
Center To Center Distance Between Terminals:
0.486 inches
MRC:
The permissible frequency deviation within the operating temperature range,expressed in percent.CRFX
Frequency Tolerance For Operating Tempurature In Percent:
-0.005/+0.005 and -0.0010/+0.0010
MRC:
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.STYL
Style Designator:
Square body
MRC:
--
NIIN:
002544189
MRC:
--
NATO Stock Number:
5955-00-254-4189
MRC:
--
Shelf Life:
N/A
MRC:
--
UOM:
--
MRC:
--
DEMIL:
No
FIIG:
--
FIIG:
A059A0
MRC:
--
INC:
00196
MRC:
--
IMM:
TX
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All Products Certified

Factory New, New Material, New Surplus, Overhauled, Serviceable, Repairable, and AS Removed / Used material will be accompanied by a Certificate of Conformance, and any other documents/trace when applicable. We have a 7 year record retention.

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Quality | ISO 9001:2015 + AS9120B

We are committed to quality and follow an AS9120 quality management system. AeroBase Group is HAZMAT certified and registered with DDTC, ITAR, and Aviation Suppliers Association (ASA). All products are 100% inspected.

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Shipping

Delivery of IN-STOCK orders ship same-day when order is placed before 2:00 PM EST.

Delivery dates for NON-STOCK items are estimates based on current backlog and are subject to confirmation at the time of order.

Formal Definition

Government issue definition of NSN 5955-00-254-4189

An item which consists of a quartz crystal resonator(s), suitably mounted in a holder, quartz crystal.

Packaging & Dimensions

MIL-STD codes: http://www.dla.mil/LandandMaritime/.../MILSTD2073Codes.aspx
Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
--
Item Weight:
--
Item Dim:
--
Container
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
LVL C
Container:
--
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
Q
LVL_B:
Q
LVL_C:
CUSH
MOP
CATEG.
PRES MAT
WRAP MAT
ICQ
THK
TOS
UCL
CUSH DUN:
00
MOP:
10
PKG:
69F0
PRES MAT:
00
WRAP MAT:
00
ICQ:
AAA
THK:
0
TOS:
UCL:

Packaging Codes Definitions:

LVL A Code (LVL_A) Q

Packing shall be accomplished in accordance with table c.Ii for the packing level specified. closure, sealing and reinforcement shall be in accordance with applicable specification for shipping container.

LVL B Code (LVL_B) Q

Packing shall be accomplished in accordance with table c.Ii for the packing level specified. closure, sealing and reinforcement shall be in accordance with the appropriate shipping container specification.

Procedure Indicator Code (OPI) O

Options can be exercised as to specific method of preservation or dod approved packaging materials to be used. however, basic preservation method shall be retained, supplemental data shall be complied with, and unit package dimensions shall not be increased by more than one inch. equal or better protection shall be given the item and there shall be no increase in the package cost.

Special Markings Code (SPC_MKG) 00

No special marking.

Method of Preservation (MOP) 10

Physical protection.

Cushion Material (CUSH) 00

No requirement.

Preservation Material (PRES_MAT) 00

No requirement.

Import / Export

Schedule B Classification
Schedule B Number
NAIC National Association of Insurance Commissioners
End Use A classification system for U.S. exported and imported merchandise based on principal use rather than the physical characteristics of the merchandise. End-Use codes are assigned by the Bureau of Economic Analysis under the U.S. Department of Commerce.
SITC Commodity classification system defined by the United Nations.
USDA
HITECH
Schedule B:
8541900000
NAICS:
334413
End Use Class:
21320
SITC:
77688
USDA:
1
HITECH:
5

Schedule B Codes Definitions:

Schedule B 8541900000

Diode, Transistor & Similar Semiconductor Device Parts

End Use Code 21320

Semiconductors

Standard Intl. Trade Class (SITC) 77688

Parts Of Diodes, Transistors and Similar Semiconductor Devices (including Photosensitive), Light Emitting Diodes and Mounted Piezoelectric Crystals

Freight

Universal / National freight and handling information
NMFC
Class
UFC
LTL
LCL
WCC
TCC
SHC
ADC
ACC
NMFC:
061700
NMF Description:
Elec Appliances/instruments Noi
UFC:
34580
LTL:
Rating variable
LCL:
--
WCC:
658
TCC:
Z
SHC:
9
ADC:
A
ACC:
H

Freight Codes Definitions:

Cargo Type (TCC) Z

No special type of cargo code applicable.

Water Commodity (WCC) 658

Electrical appliances, small.

Air Commodity (ACC) H

Instruments/equipment/supplies for radio, communications, electrical, laboratory, etc. (includes signal corps).

Air Dimensions (ADC) A

Shipment is not a consolidation and does not exceed 84 inches in any dimension.

Air Special Handling (SHC) 9

Other or no special handling required (sh)

Manufacturers

This NSN is registered to the following cage codes.
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