# FSC 4921 Torpedo Maintenance, Repair, and Checkout Specialized Equipment FSC 4921 Torpedo Maintenance, Repair, and Checkout Specialized Equipment is a Federal Supply Class in Federal Supply Group 49, Maintenance and Repair Shop Equipment. NSN Explorer tracks 54 NSNs in this class and 4 open solicitations right now. Every figure links to a public U.S. government source record. - NSNs tracked: 54 - Open solicitations: 4 - HTML page: https://nsnexplorer.com/fsc/4921/ - Open demand: https://nsnexplorer.com/open/4921/ - Supply group: https://nsnexplorer.com/group/49/ ## NSNs | NSN | Item name | Page | | --- | --- | --- | | 4921-00-042-4407 | Wrench, Tee, Idler Nu | [4921-00-042-4407](https://nsnexplorer.com/nsn/4921-00-042-4407/) | | 4921-00-042-4415 | Adapter, Switch | [4921-00-042-4415](https://nsnexplorer.com/nsn/4921-00-042-4415/) | | 4921-00-042-4437 | Strap, Ground | [4921-00-042-4437](https://nsnexplorer.com/nsn/4921-00-042-4437/) | | 4921-00-042-4442 | Wrench, Combustion | [4921-00-042-4442](https://nsnexplorer.com/nsn/4921-00-042-4442/) | | 4921-00-118-5846 | Sling, Mine | [4921-00-118-5846](https://nsnexplorer.com/nsn/4921-00-118-5846/) | | 4921-00-431-4376 | Support, Wrench | [4921-00-431-4376](https://nsnexplorer.com/nsn/4921-00-431-4376/) | | 4921-00-433-8108 | Vacuum Adapter Asse | [4921-00-433-8108](https://nsnexplorer.com/nsn/4921-00-433-8108/) | | 4921-00-435-8098 | Adapter, Vent Plug | [4921-00-435-8098](https://nsnexplorer.com/nsn/4921-00-435-8098/) | | 4921-00-435-8099 | Extractor, Insert Se | [4921-00-435-8099](https://nsnexplorer.com/nsn/4921-00-435-8099/) | | 4921-00-628-4013 | Dolly MK21-0 | [4921-00-628-4013](https://nsnexplorer.com/nsn/4921-00-628-4013/) | | 4921-00-777-5603 | Hook, Hand | [4921-00-777-5603](https://nsnexplorer.com/nsn/4921-00-777-5603/) | | 4921-00-795-5818 | Cover, Protect | [4921-00-795-5818](https://nsnexplorer.com/nsn/4921-00-795-5818/) | | 4921-00-895-7026 | Cover, Vacuum Test | [4921-00-895-7026](https://nsnexplorer.com/nsn/4921-00-895-7026/) | | 4921-00-928-4076 | Puller, Bearing | [4921-00-928-4076](https://nsnexplorer.com/nsn/4921-00-928-4076/) | | 4921-00-928-6516 | Test Fitting, Valve | [4921-00-928-6516](https://nsnexplorer.com/nsn/4921-00-928-6516/) | | 4921-00-928-6519 | Tool Assembly, Extra | [4921-00-928-6519](https://nsnexplorer.com/nsn/4921-00-928-6519/) | | 4921-00-928-6524 | Guide, Engine Shaft | [4921-00-928-6524](https://nsnexplorer.com/nsn/4921-00-928-6524/) | | 4921-00-940-8399 | Sling MK111-0 | [4921-00-940-8399](https://nsnexplorer.com/nsn/4921-00-940-8399/) | | 4921-00-975-0809 | Guard, Propeller, Tor | [4921-00-975-0809](https://nsnexplorer.com/nsn/4921-00-975-0809/) | | 4921-01-015-7565 | Seal Tool, Environment | [4921-01-015-7565](https://nsnexplorer.com/nsn/4921-01-015-7565/) | | 4921-01-029-3014 | Timer, Cycle | [4921-01-029-3014](https://nsnexplorer.com/nsn/4921-01-029-3014/) | | 4921-01-029-3054 | Test Set Subassembly, Torpedo Com | [4921-01-029-3054](https://nsnexplorer.com/nsn/4921-01-029-3054/) | | 4921-01-030-0263 | Fixture, Installatio | [4921-01-030-0263](https://nsnexplorer.com/nsn/4921-01-030-0263/) | | 4921-01-030-0266 | Extractor, Seal | [4921-01-030-0266](https://nsnexplorer.com/nsn/4921-01-030-0266/) | | 4921-01-044-7797 | Filler, Preformed | [4921-01-044-7797](https://nsnexplorer.com/nsn/4921-01-044-7797/) | | 4921-01-056-1242 | Fitting, Vacuum Sock | [4921-01-056-1242](https://nsnexplorer.com/nsn/4921-01-056-1242/) | | 4921-01-062-8382 | Test Fixture, Cracki | [4921-01-062-8382](https://nsnexplorer.com/nsn/4921-01-062-8382/) | | 4921-01-063-6993 | Hydraulic Pump Asse | [4921-01-063-6993](https://nsnexplorer.com/nsn/4921-01-063-6993/) | | 4921-01-067-0444 | Vacuum Fixture, Seal | [4921-01-067-0444](https://nsnexplorer.com/nsn/4921-01-067-0444/) | | 4921-01-075-5221 | Adapter, Inflator | [4921-01-075-5221](https://nsnexplorer.com/nsn/4921-01-075-5221/) | | 4921-01-100-0313 | Maintenance Kit, Torpedo | [4921-01-100-0313](https://nsnexplorer.com/nsn/4921-01-100-0313/) | | 4921-01-107-0396 | Handle Assy | [4921-01-107-0396](https://nsnexplorer.com/nsn/4921-01-107-0396/) | | 4921-01-167-3908 | Wrench Assembly, Propeller Nut | [4921-01-167-3908](https://nsnexplorer.com/nsn/4921-01-167-3908/) | | 4921-01-176-9660 | Lower Jaw Assembly | [4921-01-176-9660](https://nsnexplorer.com/nsn/4921-01-176-9660/) | | 4921-01-176-9661 | Upper Jaw Assembly | [4921-01-176-9661](https://nsnexplorer.com/nsn/4921-01-176-9661/) | | 4921-01-196-8246 | Valve, Splined | [4921-01-196-8246](https://nsnexplorer.com/nsn/4921-01-196-8246/) | | 4921-01-210-5845 | Wrench Assembly | [4921-01-210-5845](https://nsnexplorer.com/nsn/4921-01-210-5845/) | | 4921-01-245-5298 | Idler Shaft Tool | [4921-01-245-5298](https://nsnexplorer.com/nsn/4921-01-245-5298/) | | 4921-01-245-5299 | Cradle, Weighing | [4921-01-245-5299](https://nsnexplorer.com/nsn/4921-01-245-5299/) | | 4921-01-279-7617 | Plate, Connector Exercise | [4921-01-279-7617](https://nsnexplorer.com/nsn/4921-01-279-7617/) | | 4921-01-361-7778 | Housing And Pin Assembly | [4921-01-361-7778](https://nsnexplorer.com/nsn/4921-01-361-7778/) | | 4921-01-367-1012 | Reset And Mode Select Tool | [4921-01-367-1012](https://nsnexplorer.com/nsn/4921-01-367-1012/) | | 4921-01-369-7809 | Test Set Subassembly, Torpedo Com | [4921-01-369-7809](https://nsnexplorer.com/nsn/4921-01-369-7809/) | | 4921-01-382-9780 | Insret Tool, Receptacle O-Ring | [4921-01-382-9780](https://nsnexplorer.com/nsn/4921-01-382-9780/) | | 4921-01-463-0787 | Tool Retainer, Valve | [4921-01-463-0787](https://nsnexplorer.com/nsn/4921-01-463-0787/) | | 4921-01-481-2245 | Modification Kit, Maintenance And | [4921-01-481-2245](https://nsnexplorer.com/nsn/4921-01-481-2245/) | | 4921-01-529-0321 | Shop Equipment, Torpedo | [4921-01-529-0321](https://nsnexplorer.com/nsn/4921-01-529-0321/) | | 4921-01-562-2104 | Test Set Subassembly, Torpedo Com | [4921-01-562-2104](https://nsnexplorer.com/nsn/4921-01-562-2104/) | | 4921-01-573-0428 | Test Set, Torpedo | [4921-01-573-0428](https://nsnexplorer.com/nsn/4921-01-573-0428/) | | 4921-01-578-5016 | Test Set Subassembly, Torpedo Com | [4921-01-578-5016](https://nsnexplorer.com/nsn/4921-01-578-5016/) | | 4921-01-605-4834 | Torque Tool, Sea | [4921-01-605-4834](https://nsnexplorer.com/nsn/4921-01-605-4834/) | | 4921-01-654-5653 | Chock, Torpedo | [4921-01-654-5653](https://nsnexplorer.com/nsn/4921-01-654-5653/) | | 4921-01-696-8405 | Tool And Equipment Kit, Torpedo | [4921-01-696-8405](https://nsnexplorer.com/nsn/4921-01-696-8405/) | | 4921-01-726-4731 | Test Stand, Torpedo, Warshot | [4921-01-726-4731](https://nsnexplorer.com/nsn/4921-01-726-4731/) | Canonical page: https://nsnexplorer.com/fsc/4921/