Model: S21581A

Reactor

Properties:

Reliability Indicator
Not established
Center To Center Distance Between Mounting Facilities Parallel To Length
2.438 inches single mounting facility single center group
Center To Center Distance Between Mounting Facilities Parallel To Width
1.938 inches single mounting facility single center group
Inductance Type
Fixed
Inductance Rating
20.00 henry single component single winding
Body Length
1.062 inches
Body Width
2.562 inches
Body Height
3.625 inches
Winding Quantity
1 single component
Inclosure Type
Hermetically sealed
Mounting Facility Quantity
4 single group
Mounting Method
Threaded stud single group
Rating Method
Electrical single component single winding
Thready Qty Per Inch (tpi)
32 single group
Thread Size
0.164 inches single group
Winding Operating Current
55.0 milliamperes dc single component single winding
Dc Resistance Rating In Ohms
650.000 single component single winding
Thread Series Designator
Unc single group
Terminal Type And Quantity
2 standoff insulator
NSN
5950-00-645-1379
Part Number
S21581A
Description
Reactor
CAGE
72149

A coil or coils usually constructed with cores having low magnetic reluctance, whose primary purpose is to furnish an inductive impedance in power or audio frequency circuit ranging from zero to 20 kilohertz (kilocycles). Includes audio frequency and power filter chokes, audio reactors and swinging chokes. Does not include transformers or coils used above audio frequency range. Excludes saturable reactor. For reactors with air cores, see coil (as modified).

Part S21581A NSN 5950-00-645-1379

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
00724
FIIG:
A058B0
Concept No.:
App. Key:
D
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:
--
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: 8504900020
  • SITC: 77129
  • End Use: Generators, accessories
  • NAICS: 335311
  • USDA: 1

Freight Class: Transformer parts

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