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Right angle nipples made of silicone rubber
MIL-R-5847, Class II, Grade 50. A-A-59178B


A-A-59178B A B C D E F G H
Dash No. Max. ±.125 ±.005 Dia. Dia. Dia. Dia. Dia.
-1 1.38" 0.56" 0.06" 0.4" 0.63" 0.16" 0.41" 0.76"
-2 2.5" 1" 0.06" 0.56" 0.82" 0.31" 0.56" 0.95"
-3 2.5" 1" 0.06" 0.56" 0.82" 0.43" 0.68" 0.95"
-4 2.5" 1" 0.06" 0.56" 0.82" 0.56" 0.82" 0.95"
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Received as ordered

Peter M
May 25, 2020

5 stars. I used 4ea ACS red silicon nipples & ACS lugs on 2ea batt+ cables.

William M
April 12, 2020

I could gush about how great these guys are, instead, Ill just say Id all but given up finding some of the items I found here. From the prices on these near impossible items, its clear , they are not trying to retire from one sale. You wont be disappointed with the parts or service.

Ed M
March 20, 2020

these are a good product, have used before.

William L
February 6, 2020

Size matters. A #1 is appropriate for up to a single 12 ga. wire (or 3-4 22 ga.). A #3 would work with a battery terminal/cable. Quality is good.

George S
February 2, 2020

Perfect Fit!

September 21, 2019

They made of good materials and dimensionally accurate. The black is black and the white is white, but the red is as shown - kind of a brownish orange. I would prefer a pure red nipple, but that does not diminish the value of these for insulation protection of terminals - which they do well.

Ronald G
July 11, 2019

Great quality and a perfect replacement item for the disintegrating old boots on your contactors/battery/etc. Get a couple of each size. Try -4S for battery terminals and contactor power terminals and -1S for most smaller posts such as magnetos and contactor coil posts.

Ray A
June 3, 2019

I ended up buying all four available sizes, keeping them in stock for when I need them. Fit and function are good!

James H
June 5, 2018

Just what they appear to be. Can be stretched a bit for a snug fit.

Terry H
June 4, 2018


Q: Are these widths in inches or cm?

The dimensions listed are in inches.

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