>> Search results for: R3921 NSN Search Results National Stock Number (NSN) Description 5950-00-647-6482, 5950006476482 REACTOR 5305-99-558-7348 , 5305995587348 SCREW,SET 5365-99-558-7346, 5365995587346 PLUG,SCREWED 5305-99-558-7345 , 5305995587345 SCREW,SET 5330-99-558-7358, 5330995587358 GASKET 5365-99-558-7347 , 5365995587347 PLUG,SCREWED 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