Button Head Grease Fittings
Button head grease fittings are designed to handle high volumes of lubricant while providing easy engagement and removal of grease fitting couplers. They are typically are used in rugged applications such as heavy machinery, construction equipment and off road equipment.
M. Brown offers a variety of button head grease fittings in assorted thread sizes and different styles to support your equipment lubrication needs. Standard button head fittings feature a 5/8” diameter head, but we also carry giant button head grease fittings that feature 7/8” diameter heads. Metric button head fittings, BSP giant head fittings that comply with DIN #3404 and BSPP fittings are also available.
Samples are readily available in all styles.
 |
Standard
Button Head Grease Fittings
Standard 5/8" head used in
rugged applications such as heavy machinery.
Check for availability in
stainless.
|
| MB PART # |
Description |
Type |
Height |
Shank |
Hex |
Alemite # |
Lincoln # |
Balcrank # |
| MBC69 |
1/8" Npt |
Female |
31/32" |
13/32" |
5/8" |
C69 |
5703 |
|
| MB1184 |
1/8" Npt |
Plunger |
3/4" |
11/32" |
5/8" |
A1184 |
|
|
| MB1184B |
1/8" Npt |
Ball |
51/64" |
|
5/8" |
|
5700/5701 |
|
| MB1186 |
1/4" Npt |
Plunger |
53/64" |
27/64" |
5/8" |
A1186 |
|
|
| MB1186B |
1/4" Npt |
Ball |
53/64" |
27/64" |
5/8" |
|
5705/5706 |
|
| MB1188 |
3/8" Npt |
Plunger |
61/64" |
31/64" |
3/4" |
A1188 |
|
|
| MB1188B |
3/8" Npt |
Ball |
61/64" |
31/64" |
3/4" |
|
5710/5711 |
|
| MB1190 |
1/2" Npt |
Plunger |
1-1/16" |
35/64" |
5/8" |
A1190 |
|
|
| MB1184-SS |
1/8" Npt Stainless |
Plunger |
|
|
5/8" |
|
|
|
| MB1186-SS |
1/4" Npt Stainless |
Plunger |
|
|
5/8" |
|
|
|
| MB1188-SS |
3/8" Npt Stainless |
Plunger |
|
|
5/8" |
|
|
|
| MBM1184 |
1/8" Npt Monel |
Plunger-Monel |
3/4" |
11/32" |
5/8" |
M1184 |
|
|
 |
Giant
Button Head Grease Fittings
7/8" Head used for extreme
applications.
Check for availability in
Stainless |
| Part # |
Description |
Head |
Height |
Shank |
Hex |
Alemite # |
Lincoln # |
| MB1831 |
1/8" Npt |
7/8" |
1-5/32" |
17/64" |
7/8" |
1831 |
5775 |
| MB1823 |
1/4" Npt |
7/8" |
1-1/4" |
7/16" |
7/8" |
1823 |
5750 |
| MB1822 |
3/8" Npt |
7/8" |
1-5/16" |
7/16" |
7/8" |
1822 |
5755 |
| MB1821 |
5/8"-18 Unf 3A |
7/8" |
1-5/16" |
9/16" |
7/8" |
1821 |
5781 |
| MB1820 |
1/2" Npt |
7/8" |
1-1/16" |
25/64" |
7/8" |
1820 |
5760 |
|
