Smith & Wesson J Frame Model 34-1 Thumb Piece & Nut, .22 LR – Part #3419
$22.99
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Smith & Wesson J Frame Model 34-1 Thumb Piece & Nut, .22 LR – Part #3419
$22.99
Smith & Wesson J Frame Model 34-1 Thumb Piece & Nut – .22 LR | Part #3419
Keep your Model 34-1 operating smoothly with this factory original Smith & Wesson Thumb Piece & Nut. This used OEM part is finished in classic blue steel and is designed to the exact factory specifications — a direct drop-in replacement for gunsmiths and collectors restoring or servicing the iconic J Frame .22 LR revolver.
Part Details
- Part Number: 3419
- Part Name: Thumb Piece & Nut
- Finish: Blue Steel
- Style: Old Style
- Condition: Used – Factory Original OEM
- Frame Size: J Frame
- Caliber: .22 Long Rifle (Rimfire)
Model Compatibility Chart
| Model | Frame | Caliber | Compatible |
|---|---|---|---|
| Model 34 | J Frame | .22 LR | ✅ Yes |
| Model 34-1 | J Frame | .22 LR | ✅ Yes (Primary Fit) |
| Model 35 | J Frame | .22 LR | ⚠️ Verify before ordering |
| Model 63 | J Frame | .22 LR | ⚠️ Verify before ordering |
| Model 36 / 37 / 38 | J Frame | .38 Special | ❌ Different caliber – not recommended |
Note: The Model 34 and 34-1 are rimfire (.22 LR) J Frame revolvers. Internal parts may differ from centerfire J Frame models. Always verify fit before installation.
Installation Note
Disassembly and reassembly are required to replace this part. Installation by a qualified gunsmith is recommended. Factory replacement parts are manufactured to the same specifications, tolerances, and materials as the originals.
How to Identify Your S&W Model Number
Swing out the cylinder and check behind the yoke on the frame for the model number. Model numbers began in 1957–58. If no number is present, your revolver may pre-date this era — contact us with your serial number and we can help identify the correct part.
Questions? Email or call us — we're here for all your Smith & Wesson parts needs.