3M UNC 4-40 Jack Socket Screw for use with D-Sub and D Ribbon Connectors
- RS-artikelnummer 749-4711
- Tillv. art.nr 3341-1L-BULK-PKG
- Tillverkare / varumärke 3M
Mounting Kits
These 3M Jack Screws are #4-40 UNC for both male and female (where applicable) threads.
3M jack screw kits containing 2 of each item (S=short or L=long hex heads)
For coupling IDC cable mount D connectors to corresponding panel mounting connectors
3505-62 (50-way latching bracket) enables rapid connection/disconnection of 50-way metal backshell stock no. 163-1605
Note
Screw kits are supplied in packs of 2 (price quoted is for 2), except stock no. 448-5584 where packs contain two long (19mm) and two (10mm) screws. See ’dimensions’ table for screw types and lengths. For type 3342-3 see stock no. 448-5584 . For bulk packs of 3341-1L and 3341-S see stock numbers 749-4702 and 749-4711 respectively.
| All products adhere to the following specification, with exceptions as noted below. | |
| Body material: | Glass filled polyester (PBT) |
| Flammability: | UL94V-0 |
| Contact material/plating | |
| Beryllium copper | Plating |
| Class II sockets | 0.76μm gold |
| Cable plugs | 0.76μm gold |
| ’D’ connectors | 0.76μm gold |
| Board mount sockets | 0.3μm gold |
| Phosphor bronze | |
| Class III sockets | 0.38μm gold |
| Class II headers | 0.76μm gold |
| Class III headers | 0.38μm gold |
| Transition connectors | Tin plated |
| Insulation resistance: | 1´109 ohms min. at 500Vdc |
| Current rating: | 1A (headers 2A) |
| Withstanding voltage | 1000V r.m.s. |
| Temperature range: | -55°C to +105°C |
| Performance level: | |
| Class II | 200 mating cycles |
| Class III | 50 mating cycles |
| Note: 'D' type connectors include steel shells. Latches for Class III headers are of nylon. |
| Attribute | Value |
|---|---|
| Type | Jack Socket Screw |
| Thread Size | UNC 4-40 |
| Screw Length | 7.9mm |
| Material | Steel |
| Connector Type | D-sub |
| For Use With | D-Sub and D Ribbon Connectors |
| Kit Contents | Jack Sockets x 2, Lock Washers x 2, Spacers x 2, 4-40 Nuts x 2 |
| Finish | Zinc |
