Are you looking to have helicopter rotor drive system parts and delivered it by today or tomorrow? Our team here at Unlimited NSN can help. Unlimited NSN is one of the leading U.S. distributors of helicopter rotor drive system parts and other new, old, or obsolete aviation parts, including C264-1, C141-10, D117-1, C182-1, C184-2. Owned and operated by ASAP Semiconductor, Unlimited NSN has sold 100 million parts to date. ASAP Semiconductor is an ISO 9001:2015 certified company with an FAA AC-056B accreditation, and is also a member of the Aviation Suppliers Association (ASA).
We are proud to offer an inventory of over two billion ready-to-ship aircraft and helicopter rotor drive system parts, 24/7 availability, and key locations in the United States, United Kingdom, and Canada. These attributes allow us to meet all aircraft on ground (AOG) requirements with ease. Use our optimized search engine to find your required helicopter rotor drive system parts then submit an instant RFQ for a quick, competitive quote. Here at Unlimited NSN, we make your purchasing process as simple and efficient as possible.
| Part No | Description | RFQ |
|---|---|---|
| C264-1 | Housing | RFQ |
| C141-10 | Washer | RFQ |
| D117-1 | Guard | RFQ |
| C182-1 | Nut | RFQ |
| C184-2 | Upper Bearing Assembly | RFQ |
| C263-1 | Sump (requires C215-279 o-ring) | RFQ |
| NAS1149F0632P | Washer | RFQ |
| AN814-8D | Filler Plug | RFQ |
| A257-2LT | Oil - Gearbox (one-liter bottle) | RFQ |
| A130-34 | Spacer | RFQ |
| F283-3 | Mast Assembly | RFQ |
| C146-5 | Gear Set | RFQ |
| C264-2 | Housing | RFQ |
| D118-1 | Bracket Assembly | RFQ |
| B115-1 | Bearing | RFQ |
| A215-042 | O-Ring | RFQ |
| B158-8 | Heat Shrink (14-volt ships) | RFQ |
| C907 | Yoke | RFQ |
| NAS1149F0532P | Washer | RFQ |
| C020-1 | Upper Frame | RFQ |
| D210-3 | Nut | RFQ |
| 5541K11 | Pipe Wrap (self-adhesive) | RFQ |
| NAS1149F0432P | Washer (or NAS1149F0463P to fill gap) | RFQ |
| NAS428-3-14 | Bolt | RFQ |
| AN742-3 | Clamp | RFQ |
| A257-19 | Lubricant | RFQ |
| C284-1 | Tube Assembly - Swashplate | RFQ |
| C238-23 | Support | RFQ |
| C006-7* | Main Rotor Gearbox and Mast Assembly | RFQ |
| A215-020 | O-Ring | RFQ |
| A344-2 | Strut | RFQ |
| MS20426AD4 | Rivet (at outboard positions) | RFQ |
| C215-279 | O-Ring (use only with C263-1 sump) | RFQ |
| NAS1149FN816P | Washer | RFQ |
| MS20002-4 | Washer | RFQ |
| A15A | Diode | RFQ |
| C257-2 | Cover | RFQ |
| C184-2R | C184-2 Bearing Assembly - Upper (overhaul exchange) | RFQ |
| C006-8R* | C006-8 Main Rotor Gearbox and Mast Assembly | RFQ |
| C195 | Yoke | RFQ |
| A653-2* | Mount (supersedes A653-1; if replacing a -1 mount replace both forward mounts) | RFQ |
| NAS428-3A-14 | Bolt | RFQ |
| A185-2 | Bracket | RFQ |
| D122-6 | Plate | RFQ |
| NAS6603-10 | Bolt | RFQ |
| C051-2 | Actuator Assembly (28-volt ships) | RFQ |
| NAS6605-42 | Bolt | RFQ |
| D112-1 | Lever | RFQ |
| B263-12 | Housing (14-volt ships) | RFQ |
| C273-1 | Roof Panel | RFQ |
| C908-1 | Yoke | RFQ |
| B158-3 | Heat Shrink (around wires, terminals) | RFQ |
| C648-2 | Bearing - Journal | RFQ |
| NAS620-4 | Washer | RFQ |
| B350-3 | Spring Pin | RFQ |
| B320-2 | Sender Assembly | RFQ |
| NAS6605-38 | Bolt | RFQ |
| C049-5 | Harness Assembly - Overtemp Switch | RFQ |
| NAS1352-4-12 | Screw | RFQ |
| C966-5 | Seal | RFQ |
| KI-202 | Retainer Upgrade Kit | RFQ |
| NAS620-8 | Washer | RFQ |
| B263-14 | Housing (28-volt ships) | RFQ |
| NAS620-6 | Washer | RFQ |
| C006-8* | Main Rotor Gearbox and Mast Assembly | RFQ |
| A185-1 | Bracket | RFQ |
| A215-156 | O-Ring | RFQ |
| AN3-41A | Bolt | RFQ |
| C493-1 | Sheave - Lower | RFQ |
| A185-3 | Plate | RFQ |
| C181-3 | Bearing | RFQ |
| MS27039C1-07 | Screw | RFQ |
| B330-13 | Palnut | RFQ |
| MS20002-24 | Washer (against hub) | RFQ |
| A130-40 | Spacer | RFQ |
| C553-1 | Block | RFQ |
| C192-1 | Spacer | RFQ |
| AN960PD416L | Washer | RFQ |
| D276-3 | Gearmotor Assembly (28-volt ships) . | RFQ |
| NAS6604-11 | Bolt | RFQ |
| NAS1149F1063P | Washer | RFQ |
| B033-6 | Knob Assembly - Rotor Brake | RFQ |
| D117-2 | Guard | RFQ |
| D123-1 | Arm Assembly | RFQ |
| C051-1 | Actuator Assembly (14-volt ships) | RFQ |
| C051-1R | C051-2 Actuator Assembly (overhaul exchange) | RFQ |
| AN320-8 | Nut (B270-11 on threads) | RFQ |
| MS20074-04-04 | Bolt (earlier non-hydraulic R44s) | RFQ |
| D114-1 | Bracket | RFQ |
| MS27039C0806 | Screw | RFQ |
| MS21075L3E | Nutplate | RFQ |
| MS35206-219 | Screw | RFQ |
| C006-6* | Main Rotor Gearbox and Mast Assembly | RFQ |
| C051-1R | C051-1 Actuator Assembly (overhaul exchange) | RFQ |
| A185-5 | Bracket | RFQ |
| B158-12 | Heat Shrink | RFQ |
| MS21042L08 | Nut | RFQ |
| NAS1149F2432P | Washer | RFQ |
| C130-3 | Spacer | RFQ |
| AGC-1.5 | Fuse (1.5 amp, for 28-volt ships) | RFQ |
| C170-2 | Sheave - Upper (anodized) | RFQ |
| AS111 | O-Ring | RFQ |
| C166-4 | Shaft - Clutch | RFQ |
| MS35206-228 | Screw | RFQ |
| C653-3* | Mount | RFQ |
| A215-382 | O-Ring (use only with C263-2 sump) | RFQ |
| A7260 | Chip Detector | RFQ |
| A796-1 | Shim (3 maximum per fwd pad) | RFQ |
| C018-2R | C018-2 Clutch Assembly (overhaul exchange; includes new C166-4 shaft) | RFQ |
| C244-1 | Bracket | RFQ |
| 110-3 | Telatemp (temperature recorder 180°-230°F) | RFQ |
| NAS1352-4-30 | Screw | RFQ |
| NAS6603-11 | Bolt | RFQ |
| A215-017 | O-Ring | RFQ |
| NAS6603-28 | Bolt | RFQ |
| NAS1149F0463P | Washer | RFQ |
| MS21042L06 | Nut | RFQ |
| A257-2 | Oil - Gearbox (one-gallon bottle) | RFQ |
| MS3367-5-9 | Ty-Rap | RFQ |
| NAS1149F0863P | Washer | RFQ |
| NAS1149D0316J | Washer | RFQ |
| A938-5 | Mount - Test Switches | RFQ |
| C168-4 | Retainer | RFQ |
| D500-1 | Pump | RFQ |
| A190-3 | V-Belts (matched set of four banded belts) | RFQ |
| C273-1 | Roof | RFQ |
| MS27039C1-11 | Screw | RFQ |
| D110-1 | Arm Assembly | RFQ |
| B270-2 | Sealant - Metal (silver) | RFQ |
| C130-4 | Spacer | RFQ |
| C283-1 | Mast Assembly | RFQ |
| MS24566-1B | Pulley (supersedes AN210-1A) | RFQ |
| C018 | Clutch Assembly | RFQ |
| NAS1304-15 | Bolt | RFQ |
| D123-1 | Arm Assembly - Lower | RFQ |
| C263-2 | Sump (requires A215-222 o-ring) | RFQ |
| C018-2* | Clutch Assembly | RFQ |
| C907-2 | Yoke (shaft length - 2.90 in.) | RFQ |
| D214-2 | Washer (install with counterbore toward journal) | RFQ |
| B263-3 | Pin | RFQ |
| B049-3 | Harness Assembly | RFQ |
| NAS6604-21 | Bolt | RFQ |
| A650-4 | Fitting | RFQ |
| C270-1 | End Cover | RFQ |
| C215-029 | O-Ring (lubricate with A257-1 grease) | RFQ |
| C238-23 | Support - Roof | RFQ |
| D796-1 | Duct Assembly | RFQ |
| 01960 | Bead Chain | RFQ |
| C908-1 | Yoke Assembly | RFQ |
| C007-5 | Shaft and Bearing Assembly (Incl C181-3 lower bearing) | RFQ |
| MS20426AD3 | Rivet | RFQ |
| D774-4 | Spring (Associated Spring part no. C0420-063-2000S) | RFQ |
| MS20995C32 | 0.032 in. dia. Safety Wire | RFQ |
| A654-56 | Decal | RFQ |
| C947-1 | Flex Plate Assembly | RFQ |
| B570-1 | Magnet Assembly | RFQ |
| A130-39 | Spacer | RFQ |
| A130-14 | Spacer | RFQ |
| NAS9301B-4-02 | Rivet | RFQ |
| B263-18* | Housing | RFQ |
| C018-3* | Clutch Assembly | RFQ |
| A141-27 | Washer | RFQ |
| D174-2 | Fanwheel Assembly | RFQ |
| A938-3 | Mount - Test Switches | RFQ |
| C105-2 | Journal | RFQ |
| BP4100 | Pulley | RFQ |
| B157-1 | Mount | RFQ |
| D113-2 | Link | RFQ |
| B563-2 | Sight Gage | RFQ |
| C796-3 | Spacer | RFQ |
| D126-1 | Cable Assembly | RFQ |
| NAS6608H42 | Bolt | RFQ |
| B263-4 | Socket | RFQ |
| C907-1 | Yoke (shaft length - 2.76 in.) | RFQ |
| C130-21 | Spacer | RFQ |
| R8206 | C283-3 Mast Tube Upgrade Kit | RFQ |
| MS21042L5 | Nut | RFQ |
| MS21042L3 | Nut | RFQ |
| NAS6603-8 | Bolt | RFQ |
| A215-152 | O-Ring | RFQ |
| A257-4 | Oil - Type “A” ATF (Dexron III) | RFQ |
| C168-5 | Retainer | RFQ |
| C049-2 | Harness Assembly | RFQ |
| 012C | O-Ring | RFQ |
| B158-6 | Heat Shrink (around fuse holder) | RFQ |
| MS21042L4 | Nut | RFQ |
| D113-1 | Link | RFQ |
| C053-2 | Switches Assembly | RFQ |
| B263-1 | Pin | RFQ |
| 220-242400-09 | Clip | RFQ |
| A130-41 | Spacer | RFQ |
| B158-2 | Heat Shrink | RFQ |
| D774-4 | Spring (alternate part no. C0420-063-2000S) | RFQ |
| D210-10 | Nut | RFQ |
| B125-2 | Connector | RFQ |
| D111-1 | Bracket | RFQ |
| NAS6603-12 | Bolt | RFQ |
| C049-4 | Harness Assembly | RFQ |
| C167-5 | Housing | RFQ |
| NAS6604-13 | Bolt | RFQ |
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