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