MIL-DTL-38999 Series I Size #20 PCB Socket Contacts

38999 Series I Size 20 PCB Socket Contacts

Product Description

D38999 PC Board ContactsPC Tail shielded contacts provide a cost effective packag­ing solution for limited space applications where connec­tors are attached to printed circuit boards. High reliability is assured with factory pre-assembled contacts and stan­dardized termination to the board. PC Tail contacts are available for MIL-DTL-38999 Series I.

For improved performance we recommend Milnec compatible MIL-DTL-38999 Series I style connectors.


  • SAE-AS39029: Mating interface meets or exceeds the requirements and specifications of M39029/56-351, except as indicated
  • Contact Material: Suitable copper alloy
  • Hood Material: Stainless Steel
  • Contact Finish: Gold plate per IAW ASTM B488-01, Type II, Code C, Class 1.25 (.000050 Min) over nickel IAW AMS QQ-N-290, Class 1, .000050-.000100 thick
  • Hood Finish: Passivated

Data Sheet

View other 38999 Series I PCB Contact Sizes   Build 38999 Connector with PCB Contacts

D38999 Series I – #20 PCB Socket Contact Dimensions

Part NumberPopularABCD DiaShoulder StyleE Tail Stickout DL02, DL03 ShellsE Tail Stickout DL00, DL04, DL07 Shells
DLST20-101 1.284 (32.61).406 (10.31).257 (6.53).019 (.48)Beveled.338 (8.59).133 (3.38)
DLST20-1021.360 (34.52).293 (7.44).445 (11.30).019 (.48)Flat.413 (10.49).208 (5.28)
DLST20-103 1.471 (37.363.474 (12.039.376 (9.5504.019 (.48)Beveled.525 (13.34).320 (8.13)
DLST20-1041.494 (37.95).428 (10.87).445 (11.30).019 (.48)Beveled.548 (13.92).343 (8.71)
DLST20-105 1.546 (39.27).480 (12.19).445 (11.30).019 (.48)Beveled.600 (15.24).395 (10.03)
DLST20-1061.701 (43.21).635 (16.13).445 (11.30).019 (.48)Beveled.755 (19.18).550 (13.97)

Popular: Most Popular Call-Outs, Best In-Stock Solutions
Extension Tolerances: ± 0.02 (0.5mm)

Note: #22M and #22D contacts are interchangeable. Tail stickout dimensions are for Milnec connectors. When used in compatible connectors from other brands, dimensions can vary as much as ±0.10 inches due to manufacturing differences.

How To Order Your Milnec MIL-DTL-38999 Series I Type Connector with PCB Contacts

To quickly order your 38999 connector prefilled with your preferred PC tail contacts, take your connector part number and replace the P (pin) or S (socket) with X (PC tail pin) or Y (PC tail socket) and simply add the Dash Number of the preferred contact tail length. For example to order a DL07W11-35PN with DLPT22-106 PC tail contacts, order DL07W11-35XN-106.