Model: 257-1

Radio Frequency Coil Assembly

Special Features:

Fungus proof

Properties:

Reliability Indicator
Not established
Overall Length
3.250 inches
Turn Quantity
53 3rd component single winding
Turn Quantity
18 1st component single winding
Turn Quantity
29 2nd component single winding
Overall Height
2.125 inches
Overall Width
1.500 inches
Inductance Rating
2.60 millihenries 3rd component single winding
Inductance Rating
33.00 millihenries 1st component single winding
Inductance Rating
9.50 millihenries 2nd component single winding
End Application
Type no.Rt-77/6rc-9
Winding Quantity
3 all components
Inclosure Type
Fully enclosed
Mounting Facility Quantity
4 single group
Mounting Method
Threaded hole single group
Rating Method
Winding turns all components single winding
Features Provided
Special marking
Thread Size
0.138 inches single group
Winding Conductor Size
0.01420 inches american wire gage 3rd component single winding
Winding Conductor Size
0.02010 inches american wire gage 2nd component single winding
Winding Conductor Size
0.03196 inches american wire gage 1st component single winding
Thread Series Designator
Unc single group
Terminal Type And Quantity
9 standoff, solder lug
NSN
5950-00-243-4169
Part Number
257-1
Description
Coil Assembly,radio Frequency
CAGE
18212

Two or more coils on a common mounting or mounted on each other. Excludes items inductively coupled.

Part 257-1 NSN 5950-00-243-4169

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
00345
FIIG:
A058B0
Concept No.:
1
App. Key:
R
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:
0.3000lbs
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:
595
TCC:
Z
SHC:
9
ACC:
Instruments/Radio

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Schedule B and Export
  • Schedule B: 8504900080
  • SITC: 77129
  • End Use: Generators, accessories
  • NAICS: 334419
  • USDA: 1

Freight Class: Static converter & inductor parts, nesoi

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