D20418-39 ITT Cannon, D20418-39 Datasheet - Page 210

• Manufacturer Part Number: D20418-39
• Description: FEMALE SCREW LOCK, #4-40 UNC, 20.66MM
• Manufacturer: ITT Cannon

Specifications of D20418-39

• Screw Length: 20.66mm
• Thread Size - Imperial: 4-40
• Screw Head Height: 4.78mm
• Gender: Female
• Accessory Type: Female Screw Lock
• D Sub Shell Size: DE, DA, DB, DC, DD
• Connector Shell Size: DE, DA, DB, DC, DD
• For Use With: DD Size D Sub Connectors

D Subminiature Accessories
Female Screw Lock
Material:
Female Screw Lock for High Volume Applications
Material:
Finish:
Screw Locks for Connectors with Integral
Threaded Inserts
Material:
Finish:
Kit consists of 1 nut, 3 washers, 1 lock
washer, 1 hex nut
Order 2 per connector
Order 2 per connector
Tool required for installation. See page 211.
Kit consists of 1 jackpost, 1 lock washer
Order 2 per connector
Steel
Steel
Zinc
Brass
Nickel
NOTE: (1) A 6 inch/pound (female) and 4 inch/pound (male) maximum torque during assembly is recommended on steel screw
lock assemblies.
(2) A third flat washer is supplied for front panel mounting of tab shell connectors.
NOTE: Not suitable for rear panel mounting.
Front Panel Mount
Jackpost
(.188
4,78
Yellow Chromate
over Cadmium
D20418-2
D20418-50
D20418-39
D20418-74
0,38
.015)
980-2000-858
980-2000-859
D121073-39
D121073-40
D121073-41
D121073-42
Number
Number
Part
Part
THD A
Ø (.119)
NOM
6,35
A
(ACROSS FLATS)
(.188
4,78
(.226)
M24308/26-1
M24308/26-2
Part Number
5,75
HEX
Mil Spec
0,38
.015)
—
—
(.138)
3,50
MIN
(.217)
5,50
Ø
Rear Panel Mount
#4-40 UNC-2B
#4-40 UNC-2B
(.211)
5,36
(.308
7,82
Thread
#4-40
THD B
THD A
Code
#4-40 UNC-2B THD
M3
M3
M3
4,50 (.177)
0,13
.005)
Ø
MIN
(.119)
3,02
Clear Chromate
D20418-80
Zinc With
Locking Hardware
—
—
—
Thread Code
#4-40 UNC-2A THD
(.067)
1,70
3,80 (.150)
MIN FULL
REAR FLANGE (REF)
THD
6,35 (.250) APPROX
REMOVE ONE WASHER
FOR EACH 0,76 (.030)
OF PANEL THICKNESS
WHEN REAR MOUNTING
1,52 (.060) MAX PANEL
Nominal Panel Thickness
1,09 – 0,91 (.043 – .036)
1,09 – 0,91 (.043 – .036)
Dimensions are shown in mm (inch)
(ACROSS FLATS)
5,00 (.197) HEX
#4-40 UNC-2A
#4-40 UNC-2A
(.255 - .248)
Dimensions subject to change
6,48 - 6,30
THD B
M3
M3
±0,38 (.015)
12,70 (.500)
15,88 (.625)
19,05 (.750)
7,92 (.312)
A
209