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National Standard Products

K.L. Jack carries a selection of high-performance heat shrink terminals and connectors from National Standard Parts Associates (NSPA)—a trusted name in electrical connection solutions for over 40 years. Known for their Sealed Electrical System, NSPA’s crimp-style heat shrink connectors and terminals are designed to prevent wire corrosion and pull-out, reducing the risk of electrical failure. Built with durability and reliability in mind, these terminals are ideal for harsh environments where a secure, long-lasting connection matters most.

Bullet Terminals

Butt Connectors

Other Terminals

Quick Disconnects

Ring Terminals

Spade Terminals

Wire Connectors

The ultimate safety gear. Sqwincher Qwik Stik - A Unique Combination of Electrolytes.
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Sting Relief - SOOTHE STINGS & BITES FAST : with Lidocaine & Antiseptic - Perfect for First Aid Kit Refills
Big Timber BTX Exterior Grade Construction Screws
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Nylon Insulated Male Quick Disconnect Blue 16-14 AWG, 0.250
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Nylon Insulated Male Quick Disconnect Blue 16-14 AWG, 0.250" Tab - 50 Pack

ET311B25

$13.11 /Pack of 50
Only $0.26 Each

Nylon Insulated Female Quick Disconnect Red 22-18 AWG, 0.250
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Nylon Insulated Female Quick Disconnect Red 22-18 AWG, 0.250" Tab - 50 Pack

ET315A25

$14.03 /Pack of 50
Only $0.28 Each

Nylon Insulated Ring Terminal Yellow 12-10 AWG, #10 Stud - 50 Pack
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Nylon Insulated Ring Terminal Yellow 12-10 AWG, #10 Stud - 50 Pack

ET303C10

$18.23 /Pack of 50
Only $0.36 Each

Nylon Fully Insulated Male Disconnect Blue 16-14 AWG, 0.250
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Nylon Fully Insulated Male Disconnect Blue 16-14 AWG, 0.250" Tab - 50 Pack

ET321B25

$9.70 /Pack of 50
Only $0.19 Each

Heat Shrink Flanged Spade Terminal Yellow 12-10 AWG, #10 Stud - 50 Pack
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Heat Shrink Flanged Spade Terminal Yellow 12-10 AWG, #10 Stud - 50 Pack

ET442C10

$32.86 /Pack of 50
Only $0.66 Each

Female T-Tap Connectors Blue 16-14 AWG, .250
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Female T-Tap Connectors Blue 16-14 AWG, .250" Tab - 50 Pack

ET352B

$23.86 /Pack of 50
Only $0.48 Each

Heat Shrink Fully Insulated Female Disconnect 12-10 AWG, 0.250
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Heat Shrink Fully Insulated Female Disconnect 12-10 AWG, 0.250" Tab - 50 Pack

ET425C25

$32.76 /Pack of 50
Only $0.66 Each

Heat Shrink Ring Terminal 16-14 AWG, #6 Stud - 50 Pack
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Heat Shrink Ring Terminal 16-14 AWG, #6 Stud - 50 Pack

ET403B06

$20.17 /Pack of 50
Only $0.40 Each

Nylon Insulated Spade Terminal Blue 16-14 AWG, #10 Stud - 50 Pack
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Nylon Insulated Spade Terminal Blue 16-14 AWG, #10 Stud - 50 Pack

ET341B10

$13.13 /Pack of 50
Only $0.26 Each

Nylon Insulated Snap Plug Receptacle Red 22-18 AWG, 0.180
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Nylon Insulated Snap Plug Receptacle Red 22-18 AWG, 0.180" Diameter - 50 Pack

ET318A18

$8.96 /Pack of 50
Only $0.18 Each

Heat Shrink Ring Terminal 22-18 AWG, #6 Stud - 50 Pack
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Heat Shrink Ring Terminal 22-18 AWG, #6 Stud - 50 Pack

ET403A06

$18.33 /Pack of 50
Only $0.37 Each

Heat Shrink 3 Way Connector Red 22-18 AWG
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Heat Shrink 3 Way Connector Red 22-18 AWG

ET406A

$9.20 /Pack of 10
Only $0.92 Each

Nylon Insulated Female Quick Disconnect Yellow 12-10 AWG, 0.250
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Nylon Insulated Female Quick Disconnect Yellow 12-10 AWG, 0.250" Tab - 50 Pack

ET315C25

$13.89 /Pack of 50
Only $0.28 Each

Heat Shrink Butt Connector Clear 24-22 AWG - 50 Pack
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Heat Shrink Butt Connector Clear 24-22 AWG - 50 Pack

KS5-20

$24.41 /Pack of 50
Only $0.49 Each

Nylon Insulated Male Quick Disconnect Blue 16-14 AWG, 0.187
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Nylon Insulated Male Quick Disconnect Blue 16-14 AWG, 0.187" Tab - 50 Pack

ET311B18

$5.94 /Pack of 50
Only $0.12 Each

Nylon Insulated Snap Plug Receptacle Red 22-18 AWG, 0.157
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Nylon Insulated Snap Plug Receptacle Red 22-18 AWG, 0.157" Diameter - 50 Pack

ET318A15

$8.87 /Pack of 50
Only $0.18 Each

Heat Shrink Flanged Spade Terminal Blue 16-14 AWG, #10 Stud - 50 Pack
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Heat Shrink Flanged Spade Terminal Blue 16-14 AWG, #10 Stud - 50 Pack

ET442B10

$20.21 /Pack of 50
Only $0.40 Each

Instant Auto-Electric Connector Yellow 12-10 AWG - 25 Pack
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Instant Auto-Electric Connector Yellow 12-10 AWG - 25 Pack

ET351C

$7.86 /Pack of 25
Only $0.31 Each

Nylon Insulated Piggy-Back Terminal 16-14 AWG, 0.250
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Nylon Insulated Piggy-Back Terminal 16-14 AWG, 0.250" Tab - 50 Pack

WTS-9-114

$20.01 /Pack of 50
Only $0.40 Each

Nylon Insulated Snap Plug Receptacle Blue 16-14 AWG, 0.180
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Nylon Insulated Snap Plug Receptacle Blue 16-14 AWG, 0.180" Diameter - 50 Pack

ET318B18

$13.57 /Pack of 50
Only $0.27 Each

Nylon Insulated Block Spade Terminal Blue 16-14 AWG, #8 Stud - 50 Pack
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Nylon Insulated Block Spade Terminal Blue 16-14 AWG, #8 Stud - 50 Pack

ET344B08

$23.23 /Pack of 50
Only $0.46 Each

Nylon Insulated Ring Terminal Blue 16-14 AWG, 1/4
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Nylon Insulated Ring Terminal Blue 16-14 AWG, 1/4" Stud - 50 Pack

ET303B25

$13.79 /Pack of 50
Only $0.28 Each

Blue Winged Twist on Wire Connectors 6-14 AWG - 50 Pack
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Blue Winged Twist on Wire Connectors 6-14 AWG - 50 Pack

WNBLUEWING

$38.26 /Box of 50
Only $0.77 Each

Heat Shrink Ring Terminal 8 AWG, 1/4
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Heat Shrink Ring Terminal 8 AWG, 1/4" Stud - 25 Pack

ET403D25

$20.64 /Pack of 25
Only $0.83 Each

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3M Scotch-Brite Roloc Surface Conditioning Discs
 
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