MS Pressure Relief Grease Fittings

MS Pressure Relief Grease Fittings are manufactured to meet Military (MIL-SPEC) Standards, which require detailed performance testing, extensive documentation, sampling, dimensional checks and traceability of materials. Commonly used on gear box housings and bearings, where excessive lubricant pressures are not desirable. These safety valves open at pre-determined pressures shown in the table below and can be used with either oil or grease. SAE Products is on of the few AS9100 Certified “manufacturers” of MS pressure relief grease fittings in the USA.

MS Pressure Relief Grease Fitting - Plunger Type

MS Pressure Relief Grease Fittings

Plunger Type (Valve on top)

SAE NumberThreadMin. psiMax. psiFigA (in)B (in)X (in)Alemite #
MS-35670-1A1/8" PTF SAE Special Short1/41101/219/647/16317400View Product >
MS-35670-2A1/8" PTF SAE Special Short15101/219/647/1647200View Product >
MS-35670-3A1/8" PTF SAE Special Short7.515101/219/647/1647640View Product >
MS-35670-4A1/8" PTF SAE Special Short1525101/219/647/16323060View Product >
MS-35670-5A1/8" PTF SAE Special Short4580101/219/647/1647100View Product >
MS-35670-7A1/8" PTF SAE Special Short400650101/219/647/1650500View Product >

MS Pressure Relief Grease Fitting - Ball Type

MS Pressure Relief Fittings Ball Type

Ball Type (Valve on side)

SAE NumberThreadMin. psiMax. psiFigA (in)B (in)X (in)Lincoln #
MS-35670-1B1/8" PTF SAE Special Short1/41121/219/647/165685View Product >
MS-35670-2B1/8" PTF SAE Special Short15121/219/647/165677View Product >
MS-35670-3B1/8" PTF SAE Special Short7.515121/219/647/165678View Product >
MS-35670-4B1/8" PTF SAE Special Short1525121/219/647/165679View Product >
MS-35670-5B1/8" PTF SAE Special Short4580121/219/647/165680View Product >