>> Search results for: 28GP34PTYPE3 NSN Search Results National Stock Number (NSN) Description 4210-21-583-0563, 4210215830563 PROPORTIONER,FOAM L 4210-21-583-0561 , 4210215830561 PROPORTIONER,FOAM L 4210-21-583-0665, 4210215830665 PROPORTIONER,FOAM L 1 Related Inventory Search You can use this search box to continue searching. Search parameters can include any combination of characteristics, specifications, description, partial part numbers, NSN or other stocking number. Special characters are not needed and are automatically stripped before searching. Do you sell this part? Become part of our growing pool of certified suppliers. Send Information