3992
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DESCRIPTION
Single Spring Mechanical Seal 3992 | PS-3992 Equivalent
Direct-fit G-Type replacement equal to industry standard 3992 / PS-3992. Designed to the John Crane 2100 style for reliable, leak-tight performance.
Key specs: • Shaft size: 1-1/2″ single spring seal • Seat: 2.125″ x 0.437″• Rotary OD: 2.125″ • Working length: 1.181″
Material build: Carbon/Viton (FKM)— Viton elastomers with Carbon rotary face
Compatible components
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Designed for use with 1-1/2″ cup seat. Matches configurations used in 2100S 38MM rotary assemblies.
Please click “specifications” below for OEM numbers and Pump Nameplate Data
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SPECIFICATIONS
OEM numbers: 31374
Brands: MP PUMPS, INC. (Division of GARDNER DENVER)
Nameplate Data: None available




