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Product images are for illustrative purposes only and may differ in appearance from the actual item delivered.
Product Description
Extended panel nut with 3/4-16 thread through the instrument panel. Puts the wrench surface beyond the reinforcing channel. Replacement nut p/n EC119 for approved McFarlane controls with a 3/4-16 thread.
Replacement Parts for McFarlane Push-Pull Controls
We offer a variety of replacement parts to service your McFarlane push-pull controls.
- Adjustable Friction Lock Service Kits
- Boots
- Knobs
- Retaining Nuts and Lock Washers
- Threaded Wear Sleeve Nuts and Lock Washers
- Miscellaneous
- Dual Throttle Hardware Kit P/N 6408
Adjustable Friction Lock Service Kits:
| Part Number | Description | Use Eligibility |
| EC12SK | Friction Packing Service Kit | Throttle controls using a 1/2" friction nut |
| EC312SK | Friction Packing Service Kit | Throttle controls using a 9/16" friction nut |
Boots: Fuel, oil and temperature resistant, keeps trash out of the control and dampens vibration.
| Part Number | Description | Use Eligibility |
| 235 | 3/16" Pushrod Boot | Controls with a 3/16" pushrod |
| 272 | 1/4" Pushrod Boot | Controls with a 1/4" pushrod |
| EC04 | Swivel Boot with Spring Lock | Controls employing a swivel joint |
| Part Number | Description | Use Eligibility* |
| 1536A or 1536B | T-Handle: B, C, GN, L, R, W, or Y | Various controls |
| 6277 | Round: R, B, L, or C | MCC1XXDLLL and MCUX24-LLL series controls |
| 6277 | Round, engraved with "CHOKE": RC, BC, LC, or CC | MCC1XXDLLL series controls |
| 6277 | Round, engraved with "CABIN AIR": RA, BA, LA, or CA | MCUX24-LLL series controls** |
| 6277 | Round, engraved with "DEFROST": RD, BD, LD, or CD | MCUX24-LLL series controls** |
| 6277 | Round, engraved with "CABIN HEAT": RH, BH, LH, or CH | MCUX24-LLL series controls** |
| 6277 | Round, engraved with "PARK BRAKE": RP, BP, LP, or CP | MCUX24-LLL series controls** |
| 6307-BK | Round, Black | Various Cessna controls |
| 6307-RD | Round, Red | Various Cessna controls |
| 6378 | Fuel Strainer Drain | MCS1517 series controls |
| 6417 | T-Handle | MCTXXXX-LLL and MCTLXXX4DLLL series controls |
| 6418 | T-Handle, Turn-to-Lock | MCTXXXX-LLL and MCTLXXX4DLLL series controls |
| 6427 | 4 Prong | MCTXXXX-LLL and MCTLXXX4DLLL series controls |
| 6428 | 4 Prong, Turn-to-Lock | MCTXXXX-LLL and MCTLXXX4DLLL series controls |
| 6429 | Fluted | MCTXXXX-LLL and MCTLXXX4DLLL series controls |
| 6430 | Fluted, Turn-to-Lock | MCTXXXX-LLL and MCTLXXX4DLLL series controls |
| 6432 | T-Handle, Shortened | MCTXXXX-LLL and MCTLXXX4DLLL series controls |
| 6489 | Square: R, B, L, or C | MCUX24-LLL series controls** |
| 6489 | Square, engraved with "CARB HEAT": RB, BB, LB, or CB | MCUX24-LLL series controls** |
| 6495 | Phenolic, Black: -01B, -02B, -03B, -04R or -04B | MCUX24-LLL series controls** |
| 6512 | Triangle: R, B, L, or C | MCUX24-LLL series controls** |
| 6570 | Red Vernier-Assist Knob | Vernier-Assist Mixture controls |
| 6620 | 1/4-20 Black Vernier-Assist Knob | Vernier-Assist Throttle controls |
| 6660 | T-Handle, Turn-to-Lock, engraved with "Choke Lock" | MCTXXXX-LLL and MCTLXXX4DLLL series controls |
| 6661 | Fluted, Turn-to-Lock, engraved with "Cabin Heat Lock" | MCTXXXX-LLL and MCTLXXX4DLLL series controls |
| 6662 | Fluted, Turn-to-Lock, engraved with "Airbox Lock" | MCTXXXX-LLL and MCTLXXX4DLLL series controls |
| 6730 | Prop, Vernier-Assist | MCVA Vernier-Assist controls |
| EC03 | 1/4-20 Black Knob | Throttle controls |
| EC125-1 | Hemisphere, Black | Throttle controls |
| EC53 | 1/4-20 Black Ball Knob | P/N MC12693-04 and MC455-139 MCT1XXDLLL, MCTLXXX4DLLL, MCTLXXXX-LLL and MCC1XXDLLL series controls |
**For all knob options for the MCUX24-LLL Universal Light-Weight Controls, go to Light-Weight Control Knob Options.
Retaining Nuts and Lock Washers: The retaining nut threads onto the threaded section of the control on the back side of the instrument panel to secure the control.
| Part Number | Description | Use Eligibility* |
| 6060-8 | 1/2-20 Retaining Nut | Throttle controls using 1/2-20 threaded fittings |
| EC111 | 1/2" Lock Washer | Throttle controls using 1/2" threaded fittings |
| EC119 | 3/4-16 Extended Panel Nut | Controls with a 3/4-16 thread |
| MS35333-40 | 1/4" Steel Lock Washer | MCT1XXDLLL, MCTLXXX4DLLL, MCTLXXXX-LLL, and MCC1XXDLLL series controls |
| MS35333-44 | 1/2" Lock Washer | |
| 6060-12 | 3/4-16 Retaining Nut | Throttle controls using 3/4-16 threaded fittings |
| EC112 | 3/4" Lock Washer | Throttle controls using 3/4" threaded fittings |
| MS35333-47 | 3/4" Lock Washer | |
| 6133 | 7/16-20 Retaining Nut | Throttle controls using 7/16-20 threaded fittings |
| 6196 | 3/4-24 Stainless Steel Jam Nut | MCUX24-LLL series controls |
| 6197 | 3/8" Lock Washer | MCUX24-LLL series controls |
| 6260 | 7/16-20 Retaining Nut, Modified | MC6350 dual push-to-unlock controls |
| EC38 | 7/16" Lock Washer | P/N MC565-548 series controls |
| EC61 | 3/8" Lock Washer | P/N MC12693-04 or MC455-139 |
| EC62 | 3/8-24 Stainless Steel Retaining Nut | P/N MC12693-04 or MC455-139 |
| EC65 | Throttle Spacer Bushing | P/N MC12693-04 or MC455-139 |
Threaded Wear Sleeve Nuts and Lock Washers: Threaded wear sleeves are used on many McFarlane controls to secure the control to the firewall and/or mounting brackets.
| Part Number | Description | Use Eligibility |
| EC33 | 1/4-20 Stainless Steel Jam Nut for Knobs | Throttle controls using 1/4-20 threaded fittings (except P/N MC12693-04 and MC455-139) |
| EC38 | 7/16" Lock Washer | P/N MC565-548 series controls |
| EC70 | 12M x 1.25 Jam Nut | P/N MC565 series controls |
| EC72 | 12mm Lock Washer | P/N MC565 series controls |
| Part Number | Description | Use Eligibility* |
| 6135 | 1/8" Ball Bearing | MC6150 and MC6250 push-to-unlock controls |
| 7391-0.300 | 3/8" Ball Bearing Halves | McFarlane Manufactured Beechcraft Controls |
| 6289 | Decal, "Carb Heat" | Piper carburetor heat controls |
| 6409 | 0.05 Allen Wrench | MCTL1014D series controls |
| 6290-06-12K | Panel Hole Reducer | Adapts a 0.375" control to a 0.75" hole |
| 6290-08-12K | Panel Hole Reducer | Adapts a 0.5" control to a 0.75" hole |
| 6416 | Pin, Turn-to-Lock | MCTLXXX4DLLL and MCTLXXXX-LLL series controls |
| 6420 | Ferrule, Turn-to-Lock, Brass | MCTLXXX4DLLL and MCTLXXXX-LLL series controls |
| 6423 | Ferrule, Turn-to-Lock, Nylon | MCTLXXX4DLLL and MCTLXXXX-LLL series controls |
| 6424 | Conduit Terminal | MCT1XXDLLL, MCTLXXX4DLLL, and MCC1XXDLLL series controls |
| 6433-1 | Conduit Clamp | MCQ1XXDLLL series controls |
| 6515 | Barrel Stop Assembly | MCTL1014D and MCC101D series controls |
| EC89 | Wedge Washer | Use on each side of instrument panel to angle a control |
| EC98 | 9/16" Friction Adjust Wheel | Throttle controls using a 9/16" friction nut |
| M83248/1-006 | O-ring | MCC1XXDLLL series controls |
| MS35650-304 | Jam Nut | MCC1XXDLLL series controls |
Dual Throttle Hardware Kit P/N 6408:
| Part Number | Description |
| 6408 | Kit contains the following: |
| 6271 | 2 each Slip Fit Conduit Terminal Assemblies |
| 6270 | 2 each Cable Stop Assemblies |
| 6822 | 1 each Spring, Red, Left |
| 7235 | 1 each Spring, Blue, Right |
| Hex Wrench | 1 each |
| Part Number | Description |
| XX | cable/wire type |
| LLL | part length |
| MCUX24-LLL | Universal Light-Weight Control |
| MCT1XXDLLL | Dual Throttle |
| MCTLXXX4DLLL | Dual Turn-to-Lock |
| MCTLXXXX-LLL | Single Turn-to-Lock |
| MCC1XXDLLL | Dual Control |
| MCQ1XXDLLL | Dual Quadrant Control |
| Weight | 0.013608 |
|---|---|
| Manufacturer | McFarlane Aviation, Inc |
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