| 40361-16 | double stud | sikorsky aircraft corporation | | — | Consumables / Hardware | OEM |
| 4036360-0514 | rcvr-xmtr | sikorsky aircraft corporation | — | 23 | Avionics / Electronics | OEM |
| 4036360-0517 | use 4036360-0519 | sikorsky aircraft corporation | — | — | Consumables / Hardware | OEM |
| 4036360-0519 | receiver | sikorsky aircraft corporation | — | 34 | Avionics / Electronics | OEM |
| 4036370-0503 | rcvr-xmtr iff | sikorsky aircraft corporation | | 34 | Avionics / Electronics | OEM |
| 4046T32P01 | nut | sikorsky aircraft corporation | — | 20 | Consumables / Hardware | OEM |
| 4046T32P03 | use 4046t32p01 | sikorsky aircraft corporation | — | — | Consumables / Hardware | OEM |
| 4052T80P01 | union | sikorsky aircraft corporation | — | — | Consumables / Hardware | OEM |
| 4057697-901 | light sensor | sikorsky aircraft corporation | — | 33 | Avionics / Electronics | OEM |
| 4058T00P05 | clip | sikorsky aircraft corporation | — | 20 | Consumables / Hardware | OEM |
| 405900-1005 | tail rotor servo assembly | sikorsky aircraft corporation | — | 64 | unknown | unknown |
| 405900-1007 | tail rotor servo assembly | sikorsky aircraft corporation | | 64 | unknown | OEM |
| 4068T67G01 | use 4069t67p02 | sikorsky aircraft corporation | — | — | Consumables / Hardware | OEM |
| 4069T67P02 | seal rubber | sikorsky aircraft corporation | — | — | Consumables / Hardware | OEM |
| 407-4305 | switch | sikorsky aircraft corporation | — | 24 | Electromechanical | OEM |
| 4076T14P01 | nut | sikorsky aircraft corporation | — | 20 | Consumables / Hardware | OEM |
| 409-68500-1 | aux fuel tank | sikorsky aircraft corporation | — | 20 | Consumables / Hardware | OEM |
| 4092-10J200 | ramp storage door | sikorsky aircraft corporation | | 25 | Interior / Furnishings | OEM |
| 40984-001 | door lock control panel assembly | sikorsky aircraft corporation | | 52 | Electromechanical | OEM |
| 40985-001 | stick trim control panel assembly | sikorsky aircraft corporation | | 22 | Avionics / Electronics | OEM |
| 40D1275 | 1.6kw xendn lmp | sikorsky aircraft corporation | — | 33 | Electromechanical | OEM |
| 40R12-1 | receptacle | sikorsky aircraft corporation | — | 20 | Consumables / Hardware | OEM |
| 40S37-18 | stud | sikorsky aircraft corporation | — | 20 | Consumables / Hardware | OEM |
| 40S37-19 | stud | sikorsky aircraft corporation | — | 20 | Consumables / Hardware | OEM |
| 40S39 | stud | sikorsky aircraft corporation | — | — | Consumables / Hardware | OEM |
| 41-0440-1 | gasket | sikorsky aircraft corporation | — | 20 | Consumables / Hardware | OEM |
| 41001731-004VA | strap | sikorsky aircraft corporation | — | 53 | Structures | OEM |
| 41003932VA | bolt | sikorsky aircraft corporation | — | 20 | Consumables / Hardware | OEM |
| 41004004-101VA | lever assembly input | sikorsky aircraft corporation | — | 67 | Flight Controls | OEM |
| 41004072VA | plate identification | sikorsky aircraft corporation | — | 11 | Consumables / Hardware | OEM |
| 41005355AA | cap | sikorsky aircraft corporation | — | 20 | Consumables / Hardware | OEM |
| 4100559-001 | base adapter infrared strobe assemb... | sikorsky aircraft corporation | — | 33 | Electromechanical | OEM |
| 4101-FD-5A | amber filter | sikorsky aircraft corporation | — | 33 | Electromechanical | OEM |
| 4101-FD-SG | filter green | sikorsky aircraft corporation | — | 33 | Consumables / Hardware | OEM |
| 41012001-001VA | piston | sikorsky aircraft corporation | — | — | Consumables / Hardware | OEM |
| 41012098VA | gland center | sikorsky aircraft corporation | — | 20 | Consumables / Hardware | OEM |
| 41012099VA | gland | sikorsky aircraft corporation | — | 20 | Consumables / Hardware | OEM |
| 41012101VA | retainer gland | sikorsky aircraft corporation | — | — | Consumables / Hardware | OEM |
| 41012102-102VA | lever assembly input | sikorsky aircraft corporation | — | — | Structures | OEM |
| 41012512VA | plate identification | sikorsky aircraft corporation | — | 11 | Consumables / Hardware | OEM |
| 41012513VA | plate identification | sikorsky aircraft corporation | — | — | Consumables / Hardware | OEM |
| 411-45 | pressure gage | sikorsky aircraft corporation | — | 31 | Instruments | OEM |
| 411-4S | pressure gage | sikorsky aircraft corporation | — | 31 | Instruments | OEM |
| 41213J | manifold gage | sikorsky aircraft corporation | | 20 | Consumables / Hardware | OEM |
| 4131022-2 | lube pump | sikorsky aircraft corporation | — | 79 | Engine Accessories | OEM |
| 41940-8-35 | latch | sikorsky aircraft corporation | — | 52 | Structures | OEM |
| 4202-2 | rips controller | sikorsky aircraft corporation | — | 30 | Avionics / Electronics | OEM |
| 4202-3 | rips controller | sikorsky aircraft corporation | | 30 | Avionics / Electronics | OEM |
| 4202-4 | rips controller | sikorsky aircraft corporation | | 34 | Avionics / Electronics | OEM |
| 4203-2 | rips mrd | sikorsky aircraft corporation | | 30 | Electromechanical | OEM |