TV Twist Fingerstock Gasket
TV Twist Fingerstock Gaskets are high-performance EMI shielding solutions designed for applications requiring dependable electrical contact, grounding, and electromagnetic interference protection. Manufactured from premium beryllium copper, these gaskets combine excellent spring properties with outstanding conductivity and durability.
The TV Twist profile features a specialized twisted finger design that creates multiple conductive contact points across mating surfaces. This configuration helps maintain electrical continuity while delivering effective EMI/RFI shielding in electronic enclosures, access panels, cabinets, and communication systems.
TV Twist Fingerstock Gaskets are widely used in aerospace, defense, telecommunications, industrial electronics, and medical equipment where long-term shielding performance and reliable grounding are critical. Their low compression force and resilient spring characteristics make them suitable for applications involving repeated opening and closing cycles.
Options
- PP = plating code from plating code table below
- X.XXX = Desired length
- Lengths greater than 24 inches are only available in the following finishes: BD, NI, SN, ST, SNPB, SU
| Leader Tech Part Number | A (in) | B (in) | C (in) | F (in) | G (in) | T (in) | Max Length (in) | Fingers at Max Length | Adhesive |
|---|---|---|---|---|---|---|---|---|---|
| Leader Tech Part Number | A (in) | B (in) | C (in) | F (in) | G (in) | T (in) | Max Length (in) | Fingers at Max Length | Adhesive |
| 3-23TV-PP-X.XXX | 0.030 | 0.080 | 0.160 | 0.080 | 0.015 | 0.0030 | 300 | 3158 | Y |
| 3-S-23TV-PP-X.XXX | 0.030 | 0.080 | 0.160 | 0.080 | 0.015 | 0.0020 | 300 | 3158 | Y |
| 3-23TV30-PP-X.XXX | 0.030 | 0.080 | 0.300 | 0.080 | 0.015 | 0.0030 | 300 | 3158 | Y |
| 3-S-23TV30-PP-X.XXX | 0.030 | 0.080 | 0.300 | 0.080 | 0.015 | 0.0020 | 300 | 3158 | Y |
| 6-34TV-PP-X.XXX | 0.070 | 0.140 | 0.200 | 0.150 | 0.015 | 0.0030 | 300 | 1818 | Y |
| 6-S-34TV-PP-X.XXX | 0.070 | 0.140 | 0.200 | 0.150 | 0.015 | 0.0020 | 300 | 1818 | Y |
| Leader Tech Part Number | A (mm) | B (mm) | C (mm) | F (mm) | G (mm) | T (mm) | Max Length (mm) | Fingers at Max Length | Adhesive |
|---|---|---|---|---|---|---|---|---|---|
| Leader Tech Part Number | A (mm) | B (mm) | C (mm) | F (mm) | G (mm) | T (mm) | Max Length (mm) | Fingers at Max Length | Adhesive |
| 3-20T-PP-X.XXX | 0.762 | 5.080 | 2.794 | 2.032 | 0.381 | 0.0762 | 7620 | 3158 | Y |
| 3-23T-PP-X.XXX | 0.762 | 5.842 | 3.556 | 2.032 | 0.381 | 0.0762 | 7620 | 3158 | Y |
| 3-S-23T-PP-X.XXX | 0.762 | 5.842 | 3.556 | 2.032 | 0.381 | 0.0508 | 7620 | 3158 | Y |
| 6-30T-PP-X.XXX | 1.778 | 7.620 | 3.810 | 3.810 | 0.381 | 0.0762 | 7619 | 1818 | Y |
| 6-S-30T-PP-X.XXX | 1.778 | 7.620 | 3.810 | 3.810 | 0.381 | 0.0508 | 7619 | 1818 | Y |
| 6-34T-PP-X.XXX | 1.778 | 8.636 | 4.572 | 3.810 | 0.381 | 0.0762 | 7619 | 1818 | Y |
| 6-S-34T-PP-X.XXX | 1.778 | 8.636 | 4.572 | 3.810 | 0.381 | 0.0508 | 7619 | 1818 | Y |
| Plating Code | Plating | Specification |
|---|---|---|
| BD | As Heat treated | As Heat Treated with Nitrogen |
| AU | Gold | ASTM B488, TYPE I, CODE C, CLASS 1.25 PRECEDED BY AN UNDERCOAT OF AT LEAST .000047" OF COPPER PER SAE-AMS2418 AND AT LEAST .000047" OF NICKEL PER SAE-AMS-QQ-N-290 |
| AG | Silver, Bright | ASTM B700, TYPE 2, GRADE B, CLASS N .0001" MIN PRECEDED BY A NICKEL UNDERCOAT AT LEAST .000039" THICK PER SAE-AMS-QQ-N-290 |
| MAG | Silver, Matte | ASTM B700, TYPE 2, GRADE A, CLASS N .0001" MIN PRECEDED BY A NICKEL UNDERCOAT AT LEAST .000039" THICK PER SAE-AMS-QQ-N-290 |
| CDC | Cadmium Chromate, Clear | ASTM B766, CLASS 5, TYPE III |
| CDY | Cadmium Chromate, Yellow | ASTM B766, CLASS 5, TYPE II |
| NI | Electroless Nickel RoHS | ASTM B733, TYPE IV, SC1, CLASS 1 |
| SN | Tin, Bright | ASTM B545, CLASS A PRECEDED BY A NICKEL UNDERCOAT AT LEAST .00005" THICK PER SAE-AMS-QQ-N-290 |
| ST | Tin, Matte | ASTM B545, CLASS A PRECEDED BY A NICKEL UNDERCOAT AT LEAST .00005" THICK PER SAE-AMS-QQ-N-290 |
| SNPB | Tin Lead | ASTM B 579, SC2 PRECEDED BY AN UNDERCOAT OF AT LEAST .000098" OF COPPER PER SAE-AMS2418 AND AT LEAST .000098" OF NICKEL PER SAE-AMS-QQ-N-290 |
| SU | Solderable Unplated | - |
| ZNC | Zinc, Clear | ASTM B633, SC1, TYPE III |
| ZNY | Zinc, Yellow | ASTM B633, SC1, TYPE II |