Overview
The 3M 3341-1S is an industry-standard jackscrew socket kit designed for D-Sub connector assembly and maintenance. This complete hardware kit includes 8 steel washers, 2 screws, and 2 lock nuts with 4-40 thread sizing, all finished with zinc and clear chromate plating for durability. Whether you’re assembling new connectors or replacing worn hardware, the 3341-1S provides everything needed for secure, reliable D-Sub connections.
Key Features
- Complete kit with 8 washers, 2 screws, and 2 nuts
- 4-40 thread size for standard D-Sub connector compatibility
- Steel construction with zinc and clear chromate finish for corrosion resistance
- Lock washers included for vibration resistance
- RoHS compliant and lead-free
- Suitable for panel-mount and cabled D-Sub connectors
Technical Specifications
- Thread Size: 4-40 (Imperial)
- Screw Length: 0.310" (7.87 mm)
- Material: Steel
- Finish: Zinc and Clear Chromate Plating
- Washer Quantity: 8 per kit
- Screw Quantity: 2 per kit
- Nut Quantity: 2 per kit
- Features: Lock washer hardware included
- RoHS Status: RoHS Compliant
- Series: 3341
Typical Applications
- D-Sub connector assembly and maintenance
- Jackscrew socket replacement kits
- Industrial control and instrumentation systems
- Data communication equipment
- Test and measurement connector repairs
- Legacy system upgrades and refurbishment
Compatibility & Replacements
Compatible With
- D-Sub connectors (standard 9-pin, 15-pin, 25-pin, and 37-pin)
- D-Ribbon connectors
- Jackscrew socket assemblies with 4-40 threading
- Industrial control panels and enclosures
Replaces / Drop-In Replacement For
- OEM jackscrew socket kits for D-Sub connectors
- Generic 4-40 washer and screw kits for connector applications
Works With
- All standard D-Sub connector types (DB9, DB15, DB25, DB37)
- 3M 3341 series connector accessories
- Universal D-Sub connector mounting systems



