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Online Store

Online Store with electrical and fibre optic connectors, backshells, cables and accessories

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Product Type

Military Style Circular Connectors (542)
Motorsport Circular Connectors (35)

Manufacturer

Eaton (Souriau®) (448)
Weald Electronics (129)

Range

8D/D38999 (350)
8STA (35)
EN3645 (63)
LMH (129)

RoHS Compliant

No (184)
Yes (393)

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Commercial (96)
MIL-DTL-26482 (129)
MIL-DTL 38999 Series III (352)

Total number of contacts

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Female/Socket (219)
Male/Plug (224)
Without Female/Socket Contacts (67)
Without Male/Plug Contacts (67)

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20-41 (35)

Contact arrangement

20-41 (129)
21-41 (413)

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All Contacts 0-10A (577)
Mixed Contacts (Refer to Contact Layout) (44)

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21 (413)

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Fixed Round Flange Receptacle/Jam Nut (115)
Fixed Square Flange Receptacle (171)
Free Plug/Cable Mount (256)

Shell plating

Black Zinc (35)
Black Zinc Cobalt (1)
Black Zinc Nickel (35)
Nickel (163)
Olive Drab Cadmium (182)
Olive Drab Zinc Cobalt (66)
Passivation (95)

Shell material

Aluminium (388)
Composite (94)
Stainless Steel (95)

Shell polarisation/insert orientation

A (96)
B (64)
C (58)
D (39)
E (30)
Normal (287)
U (2)
W (1)

Sealing

IP67 (448)
IP68 (129)

8D5-21K41SN

Eaton (Souriau®) 8D5-21K41SN Free Plug/Cable Mount Mil Spec Circular Connector, Shell size 21, 41 Way Female/Socket, Crimp Contacts , Orientation Normal

SKU:

8D521K41SN

Currently out of stock

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Lodge Group

FC Lane Electronics Ltd

Franchised distributor and stockist of electrical connectors and accessories

https://www.fclane.com sales@fclane.com +44 (0) 1403 790 661

Weald Electronics Ltd

Manufacturers of high quality connectors and accessories

https://www.wealdelectronics.com technical@wealdelectronics.com +44 (0) 1403 790 715

Lane Motorsport

Division of FC Lane Electronics dedicated to motorsport industry

https://www.lanemotorsport.com motorsport@fclane.com +44 (0) 1403 790 661

© 2026 FC Lane Electronics. All rights reserved. FC Lane Electronics Ltd - Reg in England and Wales at Slinfold Lodge, Slinfold, Horsham, West Sussex, RH13 0RN - Company No 00876597 - VAT GB849771569.