| 2B6813A | breather | sikorsky aircraft corporation | — | 79 | Engine Accessories | OEM |
| 2C5040 | valve | sikorsky aircraft corporation | — | 29 | unknown | OEM |
| 2C90523G01 | compressor casing support | sikorsky aircraft corporation | — | 72 | Engine Accessories | OEM |
| 2C90627P01 | borescope kit | sikorsky aircraft corporation | — | 20 | unknown | OEM |
| 2D7914 | igb-tgb sight gage | sikorsky aircraft corporation | — | 65 | Instruments | OEM |
| 2D811 | sight gage | sikorsky aircraft corporation | — | 31 | Instruments | OEM |
| 2F1626329-1 | fuel cell assembly | sikorsky aircraft corporation | | 28 | Fuel Systems | OEM |
| 2F1633517 | fuel cell assembly | sikorsky aircraft corporation | | 28 | Fuel Systems | OEM |
| 2F1633734 | fuel cell assembly | sikorsky aircraft corporation | — | 28 | Fuel Systems | unknown |
| 2F1635525 | fuel cell assembly | sikorsky aircraft corporation | — | 20 | Consumables / Hardware | OEM |
| 2F1635713 | fuel cell assembly | sikorsky aircraft corporation | | 28 | Fuel Systems | OEM |
| 2F1636004 | fuel cell assembly | sikorsky aircraft corporation | — | 28 | Fuel Systems | unknown |
| 2F1636005 | fuel cell assembly | sikorsky aircraft corporation | | 28 | Fuel Systems | OEM |
| 2F1636079 | fuel cell assembly | sikorsky aircraft corporation | | 28 | Fuel Systems | OEM |
| 2F1636080 | fuel cell assembly | sikorsky aircraft corporation | — | 28 | Fuel Systems | unknown |
| 2F1636081 | fuel cell assembly | sikorsky aircraft corporation | — | 28 | Fuel Systems | unknown |
| 2G7176 | drain plug | sikorsky aircraft corporation | — | 20 | Consumables / Hardware | OEM |
| 2G7884 | attachment mgb | sikorsky aircraft corporation | — | 63 | Structures | OEM |
| 2K-4128-3 | use 65901-02458-103 | sikorsky aircraft corporation | — | — | unknown | OEM |
| 2LA003849-00 | strobe lt as | sikorsky aircraft corporation | — | 33 | Electromechanical | OEM |
| 2LA003849-01 | strobe lt assy | sikorsky aircraft corporation | — | 20 | Consumables / Hardware | OEM |
| 2LA455-119-50 | light | sikorsky aircraft corporation | — | 33 | Electromechanical | OEM |
| 2P5112 | valve bleed and low press relief s | sikorsky aircraft corporation | — | 36 | Pneumatics | OEM |
| 2P5260 | valve bleed and low press relie | sikorsky aircraft corporation | — | 36 | Pneumatics | OEM |
| 2SX1-T | switch | sikorsky aircraft corporation | — | 24 | Electromechanical | OEM |
| 2TC2-10 | use 76550-03017-108 | sikorsky aircraft corporation | | — | Electromechanical | OEM |
| 2TC2-2 | use 76550-03017-102 | sikorsky aircraft corporation | | — | Electromechanical | OEM |
| 2TC2-20 | use 76550-03017-110 | sikorsky aircraft corporation | | — | Electromechanical | OEM |
| 2TC2-25 | circuit breaker | sikorsky aircraft corporation | — | 24 | Electromechanical | OEM |
| 2TC2-4 | circuit breaker | sikorsky aircraft corporation | — | 24 | Electromechanical | unknown |
| 2TC2-7 1-2 | use 76550-03017-107 | sikorsky aircraft corporation | — | — | Consumables / Hardware | OEM |
| 2TL51-7 | switch | sikorsky aircraft corporation | — | — | Electromechanical | OEM |
| 2TP1-10 | switch | sikorsky aircraft corporation | — | — | Electromechanical | OEM |
| 2TP1-21 | switch | sikorsky aircraft corporation | — | — | Electromechanical | OEM |
| 2TP1-3 | switch | sikorsky aircraft corporation | — | — | Electromechanical | OEM |
| 2TP1-5 | switch | sikorsky aircraft corporation | — | — | Electromechanical | OEM |
| 2TP1-50 | switch | sikorsky aircraft corporation | — | — | Electromechanical | OEM |
| 2TP1-61 | switch | sikorsky aircraft corporation | — | 24 | Electromechanical | OEM |
| 2TP8-10 | switch | sikorsky aircraft corporation | — | 24 | Electromechanical | OEM |
| 2Z7400 | repair kit | sikorsky aircraft corporation | — | — | Consumables / Hardware | OEM |
| 3-3S455-70 | o-ring | sikorsky aircraft corporation | — | 20 | Consumables / Hardware | OEM |
| 3-9-2022 | connector | sikorsky aircraft corporation | — | — | Electromechanical | OEM |
| 3-903S455-70 | o-ring | sikorsky aircraft corporation | — | — | Consumables / Hardware | OEM |
| 3-904-V747-75 | packing | sikorsky aircraft corporation | — | — | Consumables / Hardware | OEM |
| 3-905S455-70 | packing | sikorsky aircraft corporation | — | 20 | Consumables / Hardware | OEM |
| 3-908-V747-75 | packing | sikorsky aircraft corporation | — | 20 | Consumables / Hardware | OEM |
| 3-910-V747-75 | packing | sikorsky aircraft corporation | — | 20 | Consumables / Hardware | OEM |
| 3-910E515-8 | packing | sikorsky aircraft corporation | — | 20 | Consumables / Hardware | OEM |
| 30-207-2B | use 65550-04023-102 | sikorsky aircraft corporation | — | — | Consumables / Hardware | OEM |
| 300-2126 | swagelok fitting installation instr... | sikorsky aircraft corporation | — | 20 | Consumables / Hardware | OEM |