Model: 257A

Telephone Coil

Properties:

Reliability Indicator
Not established
Body Length
3.438 inches
Body Width
3.281 inches
Body Height
1.688 inches
Distance Between Mounting Facility Centers
2.250 inches single mounting facility single center group
Winding Quantity
2 single component
Inclosure Type
Fully enclosed
Mounting Facility Quantity
4 single group
Mounting Method
Threaded stud single group
Thready Qty Per Inch (tpi)
32 single group
Thread Size
0.164 inches single group
Dc Resistance Rating In Ohms
3.800 single component all winding
Thread Series Designator
Unc single group
Terminal Type And Quantity
4 tab, solder lug
NSN
5950-00-189-5765
Part Number
257A
Description
Coil,telephone
CAGE
06KW9

An item consisting of one or more turns of wire or similar conductive material. It is specifically designed for use in telephone circuitry for reducing cross talk by balancing capacitances, or impedance matching or providing inductive reactance for overcoming inherent capacitance, or inductive coupling where direct coupling is undesirable or discriminating against the flow of alternating current in favor of direct current.

Part 257A NSN 5950-00-189-5765

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
32495
FIIG:
A058B0
Concept No.:
App. Key:
C
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:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
2.5000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
Q
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
063420
UFC:
35355
LTL:
RATING VARIABLE
LCL:
--
WCC:
658
TCC:
Z
SHC:
9
ACC:
Instruments/Radio

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Schedule B and Export
  • Schedule B: 8504500000
  • SITC: 77125
  • End Use: Generators, accessories
  • NAICS: 334416
  • USDA: 1

Freight Class: Inductors, nesoi

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