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Protective caps for circular connectors

Protective caps are durable covers designed to shield the exposed interfaces of electrical connectors—such as plugs and receptacles—from environmental hazards like dust, moisture, chemicals, and physical impact.

At EMCA, we offer a comprehensive range of protective caps designed to shield circular connectors from dust, moisture, and mechanical wear. Our caps preserve connector performance by sealing off contact points and mating interfaces when connectors are not in use.

Whether you're looking for protective caps for plugs or receptacles, we stock options compatible with major connector series. Explore our Series C1 range for caps that are compatible with MIL-DTL-26482 Series I and II or our Series C3 to protect MIL-DTL-38999 Series III  connectors. EMCA caps are available in a variety of body materials such as aluminium, stainless steel, and Marine Bronze, many caps are offered with plating options to suit harsh environments.

Key features of our connector protective caps:

  • Sealing against environmental contaminants
  • Robust construction for industrial and aerospace use
  • Optional lanyards or tethers for secure retention
  • Multiple sizes and configurations for perfect fit

These connector dust caps support reliable system performance in aerospace, transportation, and industrial automation settings.

Explore our comprehensive range of protective caps

  • Series C1

    Series C1

    To suit Connectors:

    • VG95328
    • MS3110; MS3111; MS3116
    • MS3470; MS3471; MS3474; MS3475; MS3476
    • PAN 6432-1/ -4 A; B; F
    • 6020; 6026; 6027
    • Aero-Electric Connectors: AE77
    • Amphenol: PT; PT-SE; 62GB; 162GB; PTS-DR; 602GB
    • Deutsch: 951-50; AFD; RR
    • ITT-Cannon: KPT; KPSE; PVX; PV7
    • Souriau: 851; 8525; 8526; UT0

    Connector Specification:

    • VG95328
    • MIL-DTL-26482 Series I & II
    • MIL-DTL-83723 Series I
    • BS9522-F0017
    • NFC 93422- HE 301 B
    • PAN 6432-1/ -4
    • EL2112 Pattern 602
  • Series C2

    Series C2

    To suit Connectors:

    • Amphenol: 97B; GT Bayonet
    • Glenair: ITS
    • ITT Cannon: VG; CA-Bayonet

    Connector Specification:

    • VG95234
    • MIL-DTL-5015 (reverse bayonet)
  • Series C3

    Series C3

    To suit Connectors:

    • VG95319-1006; -1007; -1008
    • JN1034-A; -B; -C
    • D38999/20; /24; /26
    • BS-C6170; BS-C6176; BS-C6177
    • CECC75-201-002-A; -B; -C
    • EN3645-003; -008; -009
    • Aero-Electric Connectors: AE3
    • Amphenol: TV
    • Deutsch: DTS
    • ITT Cannon: KJA
    • Souriau: 8D

    Connector Specification:

    • VG95319-100x
    • JN1034
    • MIL-DTL-38999 Series III
    • BS9520-G0003
    • CECC75-201-002
    • EN3645-001
  • Series C4

    Series C4

    To suit Connectors:

    • MS27466; MS27656; MS27467; MS27468
    • BS-C6160; BS-C6163; BS-C6166; BS-C6167; BS-C6165
    • HE308-00T; HE308-06T; HE308-07T
    • Aero-Electric Connectors: AE1
    • Amphenol: LJT
    • Deutsch: DJT
    • ITT Cannon: KJL
    • Souriau: 8LT

    Connector Specification:

    • MIL-DTL-38999 Series I
    • BS9520-G0001
    • NFC 93422-HE308
  • Series C5

    Series C5

    To suit Connectors:

    • VG96912-A; -B; -D; -E
    • PAN6433-2; -A; -B; -F; -FG
    • JN1003 -A; -B; -FG
    • LN29729-A; -B; -F; -N
    • Amphenol: SJT
    • Deutsch: HDJ
    • ITT Cannon: CGK
    • Souriau: 8ST

    Connector Specification:

    • VG96912
    • PAN 6433-2
    • JN1003
    • LN29729
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