Model: 21-489021-201

Electrical Receptacle Connector

Special Features:

Contacts72 through 79 ground, contacts 56, 57, 70 and 71 insulated, contacts 52, 53, 68 and 69 filter 375 pf, remaining 63 contacts 750 pf

Properties:

Thread Class
2a
Thread Direction
Right-hand
Body Style
Straight shape, external coupling
Overall Length
2.128 inches
Overall Height
1.562 inches
Overall Width
1.562 inches
Environmental Protection
Moisture proof and salt water resistant and vibration proof
Unthreaded Mounting Hole Diameter
0.128 inches
Center To Center Distance Between Mounting Facilities Parallel To Height
1.250 inches
Distance Between Centerlines Of Mounting Facilities Parallel To Body Width
1.250 inches
Distance From Mounting Shoulder To Front Face
0.930 inches
Threaded Device Type
Back shell
Mating End Quantity
1
Contact Position Arrangement Style
21-35 single mating end
Contact Removability
Nonremovable single mating end single contact grouping
Polarization Method
Keyway or multiple keyway
Insert Position In Deg
0.0
Shell Type
Solid
Connector Locking Method
Bayonet pin
Thread Length
0.219 inches
Thready Qty Per Inch (tpi)
18
Thread Size
1.188 inches
Terminal Location
Back single mating end single contact grouping
Contact Material
Copper alloy single mating end single contact grouping
Contact Surface Treatment
Gold single mating end single contact grouping and silver single mating end single contact grouping
Terminal Type
Crimp single mating end single contact grouping
Shell Material
Aluminum alloy
Shell Surface Treatment
Cadmium
Shell Surface Treatment Specification
Qq-p-416 federal specification single treatment response
Included Contact Quantity
79 single mating end single contact grouping
Included Contact Type
Round pin single mating end single contact grouping
Precious Material And Location
Contact surfaces gold and contact surfaces silver
Precious Material And Weight
0.079 gold grains, troy and 0.079 silver grains, troy
Precious Material
Gold and silver
Thread Series Designator
Unef
NSN
5935-01-123-8528
Part Number
21-489021-201
Description
Connector,receptacle,electrical
CAGE
77820

An electrical fitting with electrical contacts constructed to be affixed to the end of a cable, conduit, coaxial line, cord, wire (includes printed/etched), printed wiring board, or the like for convenience in joining with another electrical connector(s) or printed wiring board. It is designed to be mounted on a bulkhead, chassis, panel, wall, printed wiring board, or the like. Excludes lampholder; jack, telephone; jack, tip; insert electrical connector; insert module, electrical connector; connector body (as modified) and socket, plug-in electronic components. See also wiring harness (as modified) and cable assembly (as modified). For items with termination wires of more than four inches in length, see lead assembly, electrical. For items without inserts, see shell, electrical connector.

Part 21-489021-201 NSN 5935-01-123-8528

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
15093
FIIG:
A039B0
Concept No.:
App. Key:
K
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:
G
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:
061680
UFC:
34570
LTL:
RATING VARIABLE
LCL:
--
WCC:
658
TCC:
Z
SHC:
9
ACC:
Instruments/Radio

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Schedule B and Export
  • Schedule B: 8538907080
  • SITC: 77282
  • End Use: Electric apparatus
  • NAICS: 335314
  • USDA: 1

Freight Class: Parts suitable for use solely or principally with the apparatus for heading 8535, 8536,8537, nesoi

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