>> Search results for: ND1991 NSN Search Results National Stock Number (NSN) Description 5305-01-362-4342, 5305013624342 SCREW,MACHINE 5305-99-536-6951 , 5305995366951 SCREW,MACHINE 4820-99-544-4432, 4820995444432 EXHAUST VALVE SEAT 1660-99-737-2997 , 1660997372997 SIDE WINDOW 4820-99-544-4436, 4820995444436 VALVE SEAT RETAINER 4820-99-544-4430 , 4820995444430 HEAD,VALVE 1560-99-742-2440, 1560997422440 WINDOW PANEL,AIRCRA 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