3M UNC 4-40 Jack Socket Screw for use with D-Sub and D Ribbon Connectors

  • RS Stock No. 749-4711
  • Mfr. Part No. 3341-1L-BULK-PKG
  • Manufacturer 3M
Technical data sheets
Legislation and Compliance
RoHS Certificate of Compliance
Product Details

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.  
Specifications
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
Discontinued product