Dimensions are shown in mm (inch)

Dimensions subject to change

207

D Subminiature Accessories Plastic Backshell

Quick Disconnect for IDC Cable

Materials and Finishes

Material: Black Thermoplastic,

UL 94V-0 rated

CABLE

ENTRY

40,54

(1.596)

LOCKING

SPRING*

LOCKING

HOOK*

2,60 ± 0,20

(.102 ± .008)

16,31

(.642)

Quick Disconnect for Round Cable

Straight and 90° Exit

Shell

Size Layout

Part

Number

max.

±0,15 (.006)

max.

min.

DE 9 DE115339 41,33 (1.627) 32,41 (1.276) 25,00 (.984) 16,51 (.650) 7,70 (.303) 6,70 (.264)

DA 15 DA115339-1 49,63 (1.954) 32,41 (1.276) 33,30 (1.311) 16,51 (.650) 7,70 (.303) 6,70 (.264)

DB 25 DB115339-2 63,65 (2.506) 40,44 (1.592) 47,04 (1.852) 16,51 (.650) 7,70 (.303) 17,70 (.697)

DC 37 DC115339-3 79,86 (3.144) 42,42 (1.670) 63,50 (2.500) 16,51 (.650) 7,70 (.303) 17,70 (.697)

DD 50 DD115339-4 77,57 (3.054) 42,42 (1.670) 61,10 (2.406) 19,51 (.768) 10,69 (.421) 17,70 (.697)

Materials and Finishes

Material: Black Thermoplastic,

UL 94V-0 rated

Optional Locking Hardware/Mechanism

Optional hardware provides quick disconnect for

either flat IDC cable or round jacketed cable.

ɀ Order 2 per connector

Material: Corrosion-resistant steel

Locking Hook Locking Spring

Lock Hook

Part Number

Lock Spring

Part Number

015-8755-000 259-8760-000

015-8755-001

NOTE: Not for use on rear panel mounted connectors.

Shell

Size Layout

Part

Number

max.

±0,13 (.005)

±0,20 (.008)

DE 9 DE115386-1B 40,69 (1.602) 24,99 (.984) 14,99 (.590)

DA 15 DA115386-2B 49,00 (1.929) 33,30 (1.311) 23,29 (.917)

DB 25 DB115386-3B 62,69 (2.468) 47,04 (1.852) 36,98 (1.456)

DC 37 DC115386-4B 79,20 (3.118) 63,50 (2.500) 53,49 (2.106)

IDC

* Order optional locking hardware separately.

13,00 (.512)

MAX

16,10 (.634) MAX

7,00 (.276) MAX

LOCKING

SPRING*

LOCKING

HOOK*

MAX

CABLE

ENTRY

MIN

MAX

CABLE

ENTRY

MIN

ɀ Kit consists of 1 front shell, 1 rear shell,

2 strain reliefs, 5 screws

ɀ Kit consists of 1 front shell, 1 rear shell,

1 cable clamp, 1 spacer, 4 self-tapping

screws, 2 machined screws

Dimensions are shown in mm (inch)

Dimensions subject to change

208

D Subminiature Accessories Locking Hardware

Male Screw Lock

Shell Size

Part

Number

±0,38 (.015)

±0,25 (.010)

±0,13 (.005)

DE, DA, DB, DC D20419 14,10 (.555) 6,35 (.250) 1,22 (.048)

DE, DA, DB, DC D20419-18 14,10 (.555) 7,14 (.281) 1,70 (.067)

DE, DA, DB, DC D20419-21 14,10 (.555) 7,14 (.281) 2,34 (.092)

DE, DA, DB, DC D20419-104 14,10 (.555) 7,92 (.312) 2,34 (.092)

DD D20420 16,66 (.656) 6,35 (.250) 1,22 (.048)

DD D20420-13 16,66 (.656) 7,14 (.281) 1,70 (.067)

DD D20420-15 16,66 (.656) 7,14 (.281) 2,34 (.092)

DD D20420-86 16,66 (.656) 7,92 (.312) 2,34 (.092)

SCREW

#4-40 UNC-2A THD

CLIP GAP

CLIP

Screw Lock Assemblies

SCREW

CLIP

WITH

THD

NUT

WASHER

LOCK

WASHER

HEX NUT

MOUNTING

PANEL

D SUBMINIATURE

CONNECTOR

PIN OR SOCKET

D SUBMINIATURE

CONNECTOR

PIN OR SOCKET

ITT Cannon offers the largest variety of locking and

latching hardware.

Refer to the accessories selection guide on pages

198-199 for use with ITT Cannon backshells.

Product Features

ɀ Ensures positive mating

ɀ Provides locking and latching for high

vibration applications

ɀ Kit consists of 1 screw and 1 clip

ɀ Order 2 per connector

Material: Steel

Finish: Yellow Chromate over

Cadmium or Zinc

Front Panel Mount Rear Panel Mount

Dimensions are shown in mm (inch)

Dimensions subject to change

209

D Subminiature Accessories Locking Hardware

Female Screw Lock

#4-40 UNC-2B THD

REAR FLANGE (REF)

#4-40 UNC-2ATHD

6,35 (.250) APPROX

REMOVE ONE WASHER

FOR EACH 0,76 (.030)

OF PANEL THICKNESS

WHEN REAR MOUNTING

1,52 (.060) MAX PANEL

Front Panel Mount Rear Panel Mount

Yellow Chromate

over Cadmium

Mil Spec

Part Number

Zinc With

Clear Chromate

±0,38 (.015)

D20418-2 M24308/26-1 D20418-80 7,92 (.312)

D20418-50 — — 12,70 (.500)

D20418-39 M24308/26-2 — 15,88 (.625)

D20418-74 — — 19,05 (.750)

Female Screw Lock for High Volume Applications

ɀ Order 2 per connector

ɀ Tool required for installation. See page 211.

Material: Steel

Finish: Zinc

6,35

Ø (.119)

NOM

Part

Number

Thread

Code Nominal Panel Thickness

980-2000-858 #4-40 1,09 – 0,91 (.043 – .036)

980-2000-859 M3 1,09 – 0,91 (.043 – .036)

THD B

THD A

4,50 (.177)

MIN

3,50

(.138)

MIN

5,00 (.197) HEX

(ACROSS FLATS)

5,50

(.217)

5,75

(.226)

Thread Code

Part

Number THD A THD B

D121073-39 #4-40 UNC-2B #4-40 UNC-2A

D121073-40 M3 #4-40 UNC-2A

D121073-41 #4-40 UNC-2B M3

D121073-42 M3 M3

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.

ɀ Kit consists of 1 nut, 3 washers, 1 lock

washer, 1 hex nut

ɀ Order 2 per connector

Material: Steel

Screw Locks for Connectors with Integral

Threaded Inserts

ɀ Kit consists of 1 jackpost, 1 lock washer

ɀ Order 2 per connector

Material: Brass

Finish: Nickel

Jackpost

4,78 ± 0,38

(.188 ± .015)

4,78 ± 0,38

(.188 ± .015)

(ACROSS FLATS)

HEX

1,70

(.067)

5,36

(.211)

3,02

(.119)

7,82 ± 0,13

(.308 ± .005)

3,80 (.150)

MIN FULL

THD

6,48 - 6,30

(.255 - .248)

Part #	DE121073-54
Description	Connector Accessories CopperAlloy EMI Shielded Backshell
Category	BACKSHELL
Availability	In Stock
Qty	2

DE121073-54

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Technical Document