MIL-DTL-38999 Series III Connector, D38999/26WC4PN Male Plug, No.13 Shell 4 Pin Crimp, N Orientation

Originally known as MIL-C-38999, MIL-DTL-38999 Connectors are environmentally resistant circular connectors with removable crimp contacts and an operating temperature range of -65°C to +200°C. The standard includes four series: Series I, II, III, and IV.

• Series I: Bayonet coupling, scoop-proof design, and high vibration resistance for harsh environments.
• Series II: Lightweight, low-profile bayonet connectors for space-limited and low-vibration applications.
• Series III: Tri-start threaded coupling, scoop-proof construction, and excellent performance in high-temperature, moisture, and aerospace applications.

Shell	A(max)	B Thread	C(max)
9	31.00	M12*1-6g	21.80
11	31.00	M15*1-6g	25.00
13	31.00	M18*1-6g	29.40
15	31.00	M22*1-6g	32.40
17	31.00	M25*1-6g	35.60
19	31.00	M28*1-6g	38.50
21	31.00	M31*1-6g	41.70
23	31.00	M34*1-6g	44.90
25	31.00	M37*1-6g	48.00

Shell Size

Key

Application Industry