Home > Products > Circular Connector Accessories >Circular Connector Assemblies > Durable military aerospace connector Bel Fuse MD801-009-07M6-4SD with dual start ACME thread and IP67 rating

Durable military aerospace connector Bel Fuse MD801-009-07M6-4SD with dual start ACME thread and IP67 rating

Manufacturer:
Bel Fuse
Description:
Circular Connector Assemblies RoHS
Category:
Circular Connector Accessories/Circular Connector Assemblies
Specifications
Mfr. Part #:
MD801-009-07M6-4SD
Model Number:
MD801-009-07M6-4SD
Introduction

Product Overview

The Bel Cinch MD801 Series connectors are designed for critical military and aerospace applications, offering high reliability in extreme environments. Featuring a Dual-Start ACME thread for enhanced protection against cross-mating and vibration, these connectors are available in aluminum or stainless steel with various finishes. The series supports multiple contact termination types, including crimp, PC tail, and solder cup, making them suitable for board-mount applications. With shell sizes ranging from 5 to 13 and diverse insert arrangements, the MD801 Series provides robust interconnect solutions for demanding industries.

Product Attributes

  • Brand: Bel Cinch
  • Series: MD801 Series
  • Origin: Designed for military and aerospace
  • Key Markets: Military, Aerospace, Down-hole applications
  • Thread Type: Dual-Start ACME Thread
  • Sealing: Available with hermetic sealing (glass-sealed packages)
  • Durability: 2000 mating cycles
  • IP Rating: IP67 (Mated)

Technical Specifications

Specification Value
Current Rating #235 A
Dielectric Withstanding Voltage #23750 VAC
Insulation Resistance 5000 M minimum
Operating Temperature -65 C. to +175 C
Shock Rating 300 g
Vibration Rating 37 g
Shielding Effectiveness 55dB min from 100MHz 1000MHz
Shell Sizes Available 5, 6, 7, 8, 9, 10, 13
Contact Arrangements 1 to 130 Contacts
Contact Sizes #23, #20, #16, #12
Material Options Aluminum (various finishes), Stainless Steel

Plugs (MD801-007, MD801-008)

Shell Size A (in/mm) B (in/mm) Thread C (in/mm) Rear Accessory Thread
5 0.54 (13.72) 0.65 (16.51) 0.3125-0.05P-0.1L-DS-2B 0.245 (6.22) 0.2500-32 UNEF-2A
6 0.60 (15.24) 0.69 (17.53) 0.3750-0.05P-0.1L-DS-2B 0.290 (7.37) 0.3125-32 UNEF-2A
7 0.69 (17.53) 0.79 (20.07) 0.4375-0.05P-0.1L-DS-2B 0.390 (9.91) 0.4375-28 UNEF-2A
8 0.75 (19.05) 0.83 (21.08) 0.5000-0.05P-0.1L-DS-2B 0.445 (11.30) 0.5000-28 UNEF-2A
9 0.81 (20.57) 0.92 (23.37) 0.5625-0.05P-0.1L-DS-2B 0.500 (12.70) 0.5625-24 UNEF-2A
10 0.88 (22.35) 0.98 (24.89) 0.6250-0.05P-0.1L-DS-2B 0.560 (14.22) 0.6250-24 UNEF-2A
13 1.05 (26.67) 1.10 (27.94) 0.81250-.1P-0.2L-DS-2B 0.650 (16.51) 0.6875-24 UNEF-2A

In-Line Receptacles (MD801-009, MD801-010)

Shell Size A (in/mm) B (in/mm) Thread D (in/mm) E (in/mm) Flat
5 0.355 (9.02) 0.325 (8.25) 0.3125-0.05P-0.1L-DS-2B 0.245 (6.22) 0.2500-32 UNEF-2A
6 0.415 (10.54) 0.385 (9.78) 0.3750-0.05P-0.1L-DS-2B 0.290 (7.37) 0.3125-32 UNEF-2A
7 0.480 (12.19) 0.445 (11.30) 0.4375-0.05P-0.1L-DS-2B 0.390 (9.91) 0.4375-28 UNEF-2A
8 0.540 (13.72) 0.510 (12.95) 0.5000-0.05P-0.1L-DS-2B 0.445 (11.30) 0.5000-28 UNEF-2A
9 0.605 (15.37) 0.575 (14.60) 0.5625-0.05P-0.1L-DS-2B 0.500 (12.70) 0.5625-24 UNEF-2A
10 0.665 (16.89) 0.635 (16.13) 0.6250-0.05P-0.1L-DS-2B 0.560 (14.22) 0.6250-24 UNEF-2A
13 0.855 (21.72) 0.825 (20.96) 0.81250-.1P-0.2L-DS-2B 0.650 (16.51) 0.6875-24 UNEF-2A

Square Flange Receptacles (MD801-009, MD801-010)

Shell Size A (in/mm) B (in/mm) C (in/mm) D (in/mm) E (in/mm) SQ BSC Threaded Thread
5 0.530 (13.46) 0.363 (9.22) 0.680 (17.27) 0.096 (2.44) 0.091 (2.31) 0.3125-0.05P-0.1L-DS-2A
6 0.590 (14.99) 0.423 (10.74) 0.750 (19.05) 0.096 (2.44) 0.091 (2.31) 0.3750-0.05P-0.1L-DS-2A
7 0.6550 (16.51) 0.483 (12.27) 0.850 (21.59) 0.096 (2.44) 0.091 (2.31) 0.4375-0.05P-0.1L-DS-2A
8 0.712 (18.08) 0.545 (13.84) 0.938 (23.83) 0.096 (2.44) 0.091 (2.31) 0.5000-0.05P-0.1L-DS-2A
9 0.850 (21.59) 0.607 (15.42) 1.125 (28.58) 0.130 (3.30) 0.126 (3.20) 0.525-0.05P-0.1L-DS-2S
10 0.890 (22.61) 0.670 (17.02) 1.188 (30.18) 0.130 (3.30) 0.126 (3.20) 0.625-0.05P-0.1L-DS-2S
13 1.030 (26.16) 0.812 (20.62) 1.375 (34.92) 0.130 (3.30) 0.126 (3.20) 0.8125-0.1P-0.2L-DS-2A

Jam Nut Receptacles (MD801-009, MD801-010)

Shell Size A (in/mm) B (in/mm) C (in/mm) Thread Thread F (in/mm) G (in/mm) Flat
5 0.54 (13.72) 0.65 (16.51) 0.545 (13.84) 0.3125-0.05P-0.1L-DS-2B 0.375-28 UNEF-2A 0.245 (6.22) 0.250-32 UNEF-2A
6 0.635 (16.13) 0.69 (17.53) 0.595 (15.11) 0.3750-0.05P-0.1L-DS-2B 0.4375-28 UNEF-2A 0.290 (7.37) 0.3125-32 UNEF-2A
7 0.755 (19.18) 0.79 (20.07) 0.73 (18.36) 0.4375-0.05P-0.1L-DS-2B 0.5625-32 UNEF-2A 0.390 (9.91) 0.4375-28 UNEF-2A
8 0.755 (19.18) 0.83 (21.08) 0.73 (18.36) 0.5000-0.05P-0.1L-DS-2B 0.5625-32 UNEF-2A 0.445 (11.30) 0.5000-28 UNEF-2A
9 0.830 (21.08) 0.92 (23.37) 0.790 (20.07) 0.5625-0.05P-0.1L-DS-2B 0.625-28 UNEF-2A 0.500 (12.70) 0.5625-24 UNEF-2A
10 0.890 (22.61) 0.98 (24.89) 0.855 (21.72) 0.6250-0.05P-0.1L-DS-2B 0.6875-28 UNEF-2A 0.560 (14.22) 0.6250-24 UNEF-2A
13 1.078 (27.38) 1.10 (27.94) 1.044 (26.52) 0.81250-.1P-0.2L-DS-2B 0.875-28 UNEF-2A 0.650 (16.51) 0.6875-24 UNEF-2A

Receptacles with PC Tail or Solder Cups (MD801-011, MD801-033)

Shell Size A (in/mm) Sq B (in/mm) B Bsc (in/mm) C (in/mm) D (in/mm) E (in/mm) F (in/mm) J (in/mm) K (in/mm) L (in/mm) M (in/mm) T (in/mm) Flat Holes Thread Thread
5 0.530 (13.46) 0.363 (9.22) 0.680 (17.27) 0.575 (14.60) 0.545 (13.84) 0.350 (8.89) 0.096 (2.44) 0.91 (2.31) 0.3125-0.05P-0.1L2A 0.375-28 UNEF-2A 0.244 (6.20) 0.175 (4.44)
6 0.590 (14.99) 0.423 (1.74) 0.750 (19.05) 0.635 (16.13) 0.595 (15.11) 0.410 (1.41) 0.375-0.05P-0.1L2A 0.4375-28 UNEF-2A 0.330 (8.38) 0.238 (6.05)
7 0.650 (16.51) 0.483 (12.27) 0.850 (21.59) 0.755 (19.18) 0.723 (18.36) 0.536 (13.61) 0.4375-0.05P-0.1L2A 0.5625-32 UNEF-2A 0.432 (10.97) 0.327 (8.31)
8 0.712 (18.08) 0.545 (13.84) 0.938 (23.83) 0.755 (19.18) 0.723 (18.36) 0.536 (13.61) 0.5000-0.05P-0.1L2A 0.5625-32 UNEF-2A 0.493 (12.52) 0.388 (9.86)
9 0.850 (21.59) 0.607 (15.42) 1.125 (28.58) 0.830 (22.61) 0.790 (2.07) 0.506 (15.14) 0.130 (3.30) 0.126 (3.11) 0.5625-0.05p-0.1L2A 0.6250-28 UNEF-2A 0.551 (14.00) 0.446 (11.33)
10 0.890 (22.61) 0.607 (15.42) 1.188 (3.18) 0.890 (22.61) 0.855 (21.72) 0.658 (16.71) 0.130 (3.30) 0.126 (3.11) 0.6250-0.05p-0.1L2A 0.6875-28 UNEF-2A 0.620 (15.75) 0.516 (13.11)
13 1.030 (26.16) 0.812 (2.62) 1.375 (34.92) 1.078 (27.38) 1.044 (26.52) 0.845 (21.46) 0.130 (3.30) 0.126 (3.11) 0.812-1P-0.2L2A 0.8750-28 UNEF-2A 0.703 (17.86) 0.599 (15.21)

Contact Tools and Sealing Plugs

Contact Size Wire Size Range Pin Contacts Sockets Sealing Plugs Insertion/Removal Tool Crimp Tool Positioner
#22 #22-#28 806-0060-210 857-0060-210 None M81969/1-05 M22520/1-01 K1461
#20 #20-#24 M39029/58-363 M39029/57-357 M22520/1-04 M22520/2-01
#16 #16-#20 M39029/58-364 M39029/57-358 M22520/1-04 M22520/1-01
#12 #12-#14 M39029/58-365 M39029/57-359 M22520/1-04 M22520/1-01

2411051944_Bel-Fuse-MD801-009-07M6-4SD_C20961907.pdf

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