Lock-Nuts & O-Rings

Lock-Nuts & O-Rings

Lock Nuts & O-Rings

ElecDirect offers a full line of locking nuts, o-rings and sealing washers for cord grips and strain relief connectors.

Lock-Nuts are available in a variety of materials including nylon, steel, brass, and stainless steel. Choose from our huge selection of thread types in NPT, Metric, and PG.

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34 Items

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  • Heyco 3260 Sealing Washer 1/2" NPT

    SKU: 3260

    SEALING WASHER 1/2"
    $0.66 /EA
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  • SEALING WASHER 3/4" NPT

    SKU: 3261

    SEALING WASHER 3/4" NPT
    $0.72 /EA
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  • LOCK-NUT METAL 1" NPT

    SKU: LN-100

    LOCK-NUT METAL 1"
    $0.68 /EA
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  • LOCK-NUT METAL 1-1/4" NPT

    SKU: LN-125

    LOCK-NUT METAL 1-1/4" NPT
    $0.69 /EA
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  • LOCK-NUT METAL 1-1/2" NPT

    SKU: LN-150

    LOCK-NUT METAL 1-1/2"
    $1.05 /EA
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  • LOCK-NUT METAL 2" NPT

    SKU: LN-200

    LOCK-NUT METAL 2"
    $1.64 /EA
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  • Lock-Nut Metal 1/4" LN-25

    SKU: LN-25

    LOCK-NUT METAL 1/4"
    $0.39 /EA
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  • LOCK-NUT METAL 2.5" NPT

    SKU: LN-250

    LOCK-NUT METAL 2 -1/2"
    $2.60 /EA
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  • LOCK-NUT METAL 3" NPT

    SKU: LN-300

    LOCK-NUT METAL 3"
    $4.50 /EA
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  • LOCK-NUT METAL 3/8" NPT

    SKU: LN-38

    LOCK-NUT METAL 3/8"
    $0.44 /EA
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  • LOCK-NUT METAL 1/2" NPT

    SKU: LN-50

    LOCK-NUT METAL 1/2" NPT
    $0.27 /EA
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  • LOCK-NUT METAL 3/4" NPT

    SKU: LN-75

    LOCK-NUT METAL 3/4" NPT
    $0.36 /EA
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  • LOCK-NUT STAINLESS STEEL 1"

    SKU: LNSS-100

    LOCK-NUT STAINLESS STEEL 1"
    $46.00 /EA
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  • LOCK-NUT STAINLESS STEEL 3/8"

    SKU: LNSS-38

    LOCK-NUT STAINLESS STEEL 3/8"
    $6.51 /EA
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  • LOCK-NUT STAINLESS STEEL 1/2"

    SKU: LNSS-50

    LOCK-NUT STAINLESS STEEL 1/2"
    $20.32 /EA
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  • LOCK-NUT STAINLESS STEEL 3/4"

    SKU: LNSS-75

    LOCK-NUT STAINLESS STEEL 3/4"
    $21.26 /EA
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  • LOCK-NUT NYLON 3/8" NPT

    SKU: NN-09-BK

    LOCK NUT NYLON 3/8" NPT
    $0.22 /EA
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  • LOCK NUT NYLON 3/8" NPT GRAY

    SKU: NN-09-GR

    LOCK NUT NYLON 3/8" NPT GRAY
    $0.21 /EA
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  • LOCK-NUT NYLON 1/2" NPT

    SKU: NN-13-BK

    LOCK NUT NYLON 1/2" NPT
    $0.21 /EA
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  • LOCK NUT BRASS NPT 1/2"

    SKU: NN-13-BR

    LOCK NUT BRASS NPT 1/2"
    $3.01 /EA
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  • LOCK NUT NYLON GRAY 1/2" NPT

    SKU: NN-13-GR

    LOCK NUT NYLON GRAY 1/2" NPT
    $0.28 /EA
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  • LOCK-NUT NYLON 3/4" NPT

    SKU: NN-21-BK

    LOCK NUT NYLON 3/4" NPT
    $0.30 /EA
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  • LOCK NUT NYLON GRAY NPT 3/4"

    SKU: NN-21-GR

    LOCK NUT NYLON GRAY NPT 3/4"
    $0.38 /EA
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  • LOCK-NUT NYLON 1" NPT

    SKU: NN-29-BK

    LOCK NUT NYLON 1" NPT
    $0.56 /EA
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  • LOCK-NUT NYLON GRAY 1" NPT

    SKU: NN-29-GR

    LOCK NUT NYLON GRAY NPT 1"
    $0.56 /EA
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  • O-RING 2" NPT

    SKU: SOR-16

    O-RING 2" NPT
    $0.70 /EA
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  • O-RING 1/2" NPT

    SKU: SOR-1-VNT

    O-RING 1/2" NPT
    $0.08 /EA
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  • O-RING 3/4" NPT

    SKU: SOR-2

    O-RING 3/4" NPT
    $0.10 /EA
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  • O-RING 1" NPT

    SKU: SOR-3

    O-RING 1" NPT
    $0.12 /EA
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  • O-RING 3/8" NPT

    SKU: SOR-38

    O-RING 3/8" NPT
    $0.08 /EA
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  • O-RING 1-1/4" NPT

    SKU: SOR-4

    O-RING 1-1/4" NPT
    $0.48 /EA
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  • O-RING 1-1/2" NPT

    SKU: SOR-51

    O-RING 1-1/2" NPT
    $0.38 /EA
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  • LOCK NUT BRASS NPT 3/4"

    SKU: NN-21-BR

    LOCK NUT BRASS NPT 3/4"
    $3.76 /EA
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  • LOCK NUT BRASS NPT 3/8"

    SKU: NN-09-BR

    LOCK NUT BRASS NPT 3/8"
    $2.50 /EA
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