3M PRESSURE DEMAND KIT W-3237, 4720-01-314-4598 NOS PART W-3237 NSN: 4720-01-314-4598 NOS E-27 3M Pressure Demand Kit, Part Number W-3237, NSN 4720-01-314-4598. This OEM 3M pressure demand kit is designed for use with respiratory protection and breathing air systems where controlled delivery of breathable air is required. Pressure demand systems help provide a continuous supply of clean air while maintaining positive pressure within the facepiece, improving user protection in hazardous environments. This item is New Old Stock (NOS) and has never been placed into service. Manufactured to OEM specifications, this pressure demand kit is engineered for reliability and dependable performance in industrial, military, maintenance, and safety-related applications. It is ideal for replacement of worn, damaged, expired, or missing system components. Part Number W-3237 and NSN 4720-01-314-4598 are commonly searched by military maintenance facilities, government agencies, industrial safety personnel, and equipment specialists seeking genuine OEM 3M replacement components. Using authentic OEM respiratory system components helps ensure proper compatibility, performance, and long-term serviceability. Equipment Parts Sales has been supplying military surplus and OEM military vehicle and industrial equipment parts for over 25 years. We stock thousands of NOS military and industrial components, including vehicle parts, safety equipment, respiratory system components, hoses, fittings, maintenance supplies, and hard-to-find replacement parts ready for shipment. Keywords: W-3237, 4720-01-314-4598, 3M pressure demand kit, pressure demand respirator kit, breathing air system component, respiratory protection equipment, OEM 3M replacement part, positive pressure respirator component, industrial safety equipment, military safety equipment, NOS surplus parts, respiratory air supply system, maintenance replacement parts.