>> Search results for: 5223711 NSN Search Results National Stock Number (NSN) Description 4520-01-297-5272, 4520012975272 HEATER ASSEMBLY,UPTAKE HATCH 5305-99-135-5300 , 5305991355300 SCREW,MACHINE 4520-01-297-5272, 4520012975272 HEATER ASSEMBLY,UPTAKE HATCH 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