Caps & Nuts

Motion carries a vast inventory of adapters for your plumbing projects. Explore our collection of cross adapters, ferrules, sleeves, caps, nuts, instrumentation cross fitings, plugs, pneumatic tube fittings, and much more.

Searching for the very best adapters at the fairest prices? Whether you need caps, nuts, cross adapters, elbow adapters, straight adapters, ferrules, plugs, sleeves, or special adapters, you can find everything you need at Motion, the home of tools and industrial accessories.

What are Adapters?

An adapter is a component or device that is typically used for joining or connecting other components together, or changing the functionality of a component or appliance. Hose adapters, for example, can allow a hose to be used in different ways or connect to other things, like additional hoses, tanks, or appliances. Adapters come in a wide range of shapes, sizes, and forms, from straight adapters to elbow adapters, which are formed at an elbow-like angle.

What are Adapters Used for?

Adapters have a huge range of potential uses, and since there are so many different kinds of adapters, each one has its own set of applications to take into account. Straight adapters, for example, are most commonly used for easy connections of multiple hoses or tubes together into one longer hose or tube.

Meanwhile, an elbow adapter or special adapter with a more unique shape may be needed to connect a hose or piping to a tank or appliance at a certain angle. The use of adapters can help people get more functionality out of items like hoses, tubes, and appliances.

The Best Adapters

When it comes to adapters, quality matters. A low quality adapter may be hard to connect or could fall away or wear down quickly with use, while good quality adapters can stand the test of time and provide the premium results you need. At Motion, you’ll only find the very best hose adapters from trusted brands like SMC.

Buy Adapters Online

Choose Motion for your next order of adapters. We have a huge range of high quality products ready to send out to your location, with low prices across the entire catalog. Check out the full range and buy today from a company you can trust.

BRAND
PRODUCT TYPE
NLGI GRADE
MOUNTING TYPE
HOUSING MATERIAL
SHAFT DIAMETER
BASE TO BORE CENTERLINE
CLOSURE TYPE
LOCKING DEVICE
ROD END TYPE
BORE TYPE
OUTSIDE DIAMETER
SNAP RING INCLUDED
COMPATIBLE BORE DIAMETER
SPANNER STYLE
EXPANSION TYPE
OVERALL WIDTH
BORE DIAMETER
DUTY TYPE
TYPE OF BEARING

657 Results

Photos may not represent actual items. Refer to name and product specs for all details.
Product Type: Caps & Nuts
Brennan 0304-C-12
Brennan  0304-C-12
Nut - 3/4 in JIC 37° Flare, (SAE) 1-1/16–12 Thread, Steel
MI ITEM #00317085
MFR #0304-C-12
In stock
See substitute items
$4.93/each
Brennan 0304-C-04
Brennan  0304-C-04
Nut - 1/4 in JIC 37° Flare, (SAE) 7/16–20 Thread, Steel
MI ITEM #00317032
MFR #0304-C-04
In stock
See substitute items
$1.64/each
Brennan 0304-C-10
Brennan  0304-C-10
Nut - 5/8 in JIC 37° Flare, (SAE) 7/8–14 Thread, Steel
MI ITEM #00317075
MFR #0304-C-10
In stock
See substitute items
$3.80/each
Brennan 0304-C-08
Brennan  0304-C-08
Nut - 1/2 in JIC 37° Flare, (SAE) 3/4–16 Thread, Steel
MI ITEM #00317064
MFR #0304-C-08
In stock
See substitute items
$3.92/each
Brennan 0304-C-06
Brennan  0304-C-06
Nut - 3/8 in JIC 37° Flare, (SAE) 9/16–18 Thread, Steel
MI ITEM #00317053
MFR #0304-C-06
In stock
See substitute items
$1.98/each
Gates 6FJ-CAP
Gates  6FJ-CAP
725924325 Cap - 3/8 in Female JIC 37° Flare, (SAE) 9/16–18 Thread, Steel
MI ITEM #00317054
MFR #6FJ-CAP
In stock
See substitute items
$3.11/each
Gates 16FJ-CAP
Gates  16FJ-CAP
7259-2436 Cap - 1 in Female JIC 37° Flare, (SAE) 1-5/16–12 Thread
MI ITEM #00317105
MFR #16FJ-CAP
Factory Order
See substitute items
$12.73/each
Brennan 0318-08
Brennan  0318-08
Nut - 1/2 in JIC 37° Flare, (SAE) 3/4–16 Thread, Steel
MI ITEM #00317435
MFR #0318-08
In stock
See substitute items
$2.16/each
Gates 8FJ-CAP
Gates  8FJ-CAP
725924335 Cap - 1/2 in Female JIC 37° Flare, (SAE) 3/4–16 Thread, Steel
MI ITEM #00317065
MFR #8FJ-CAP
In stock
See substitute items
$3.92/each
Gates 6FFOR-CAP
Gates  6FFOR-CAP
725332135 Cap - 3/8 in Female Flat Face O-Ring, 11/16–16 Thread, Steel
MI ITEM #00265181
MFR #6FFOR-CAP
In stock
$16.67/each
Brennan 0318-10
Brennan  0318-10
Nut - 5/8 in JIC 37° Flare, (SAE) 7/8–14 Thread, Steel
MI ITEM #00317446
MFR #0318-10
In stock
See substitute items
$3.57/each
Brennan FS0304-C-12
Brennan  FS0304-C-12
Cap Assembly - 3/4 in, Steel
MI ITEM #00264333
MFR #FS0304-C-12
In stock
See substitute items
$14.14/each
Gates 10FFOR-CAP
Gates  10FFOR-CAP
725332155 Cap - 5/8 in Female Flat Face O-Ring, Steel
MI ITEM #01376518
MFR #10FFOR-CAP
In stock
$26.72/each
Brennan 0304-C-08-SS
Brennan  0304-C-08-SS
Cap - 1/2 in JIC 37° Flare, (SAE) 3/4–16 Thread, Stainless Steel
MI ITEM #00317156
MFR #0304-C-08-SS
Factory Order
See substitute items
$27.36/each
Brennan 0318-16
Brennan  0318-16
Nut - 1 in JIC 37° Flare, (SAE) 1-5/16–12 Thread, Steel
MI ITEM #00317479
MFR #0318-16
In stock
See substitute items
$5.99/each
Gates 8FFOR-CAP
Gates  8FFOR-CAP
725332145 Cap - 1/2 in Female Flat Face O-Ring, 13/16–16 Thread, Steel
MI ITEM #00265183
MFR #8FFOR-CAP
In stock
$22.15/each
Brennan FS0306-16
Brennan  FS0306-16
Bulkhead Lock Nut - 1 in O-Ring Boss, (SAE) 1-5/16–12 Thread, Steel
MI ITEM #00264351
MFR #FS0306-16
In stock
See substitute items
$6.36/each
Gates 10FJ-CAP
Gates  10FJ-CAP
725924345 Cap - 5/8 in Female JIC 37° Flare, (SAE) 7/8–14 Thread, Steel
MI ITEM #00317076
MFR #10FJ-CAP
In stock
See substitute items
$6.69/each
Brennan FS0304-C-08
Brennan  FS0304-C-08
Cap Assembly - 1/2 in, Steel
MI ITEM #00264325
MFR #FS0304-C-08
In stock
See substitute items
$10.21/each
Brennan FS0306-12
Brennan  FS0306-12
Bulkhead Lock Nut - 3/4 in O-Ring Boss, (SAE) 1-1/16–12 Thread, Steel
MI ITEM #00361243
MFR #FS0306-12
In stock
See substitute items
$4.95/each
Brennan FS0304-C-10
Brennan  FS0304-C-10
Cap Assembly - 5/8 in, Steel
MI ITEM #00264330
MFR #FS0304-C-10
In stock
See substitute items
$9.80/each
Danfoss Aeroquip LLC 5400-S8-8
Danfoss Aeroquip LLC  5400-S8-8
Eaton Hansen and Gromelle 5400 Series Quick Disconnect Couplings Dust Plug - Eaton Hansen and Gromelle 5400 Series Quick Disconnect Couplings Dust Plug, 5/8-18 Thread, Carbon steel
MI ITEM #00298093
MFR #5400-S8-8
Factory Order
See substitute items
Quote Required
Brennan FS0306-20
Brennan  FS0306-20
Bulkhead Lock Nut - 1-1/4 in O-Ring Boss, (SAE) 1-5/8–12 Thread, Steel
MI ITEM #00264354
MFR #FS0306-20
Factory Order
See substitute items
$15.32/each
Brennan FS0304-C-16
Brennan  FS0304-C-16
Cap Assembly - 1 in, Steel
MI ITEM #00264336
MFR #FS0304-C-16
In stock
See substitute items
$17.31/each
Showing 1-24 of 657