MIL DTL 38999 Miniature Connector Bel Fuse MD801 009 02MT10 26SF Dual Start ACME Thread for Military
Product Overview
The Bel Cinch MD801 Series connectors are miniature MIL-DTL-38999 compliant connectors designed for 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 finish options. They support crimp, PC tail, and solder cup contact terminations and are offered in multiple shell sizes and insert arrangements, providing versatile solutions for critical components and assemblies where preventing leakage under extreme conditions is paramount.
Product Attributes
- Brand: Bel Cinch
- Series: MD801 Series
- Compliance: MIL-DTL-38999
- Keying: Shell Keying available
- Thread Type: Dual-Start ACME thread
- Sealing: Hermetic sealing available (for Cinch Mil/Aero Circulars)
- Materials: Aluminum, Stainless Steel
- Finishes: Aluminum / Cadmium with olive drab chromate, Aluminum / Black hard anodize (RoHS), Aluminum / Black Zinc Nickel over Electroless Nickel (RoHS), Aluminum / Nickel PTFE, Aluminum / Electroless Nickel (RoHS), Stainless Steel / Passivated (RoHS)
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 |
| Durability | 2000 mating cycles |
| IP Rating | IP67 Mated |
| Shell Sizes Available | 5, 6, 7, 8, 9, 10, 13 |
| Contact Types | Crimp, PC Tail, Solder Cup |
| Contact Sizes | #12, #16, #20, #23 |
| Contact Arrangements | 1 to 130 contacts |
MD801 Series Plug Dimensions (Example: Style 16)
| Shell Size | A (in/mm) | B (in/mm) | Thread | D (in/mm) | Rear 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 |
MD801 Series In-Line Receptacle Dimensions
| Shell Size | A (in/mm) | B (in/mm) | Thread | D (in/mm) | E (in/mm) | Flat Thread |
|---|---|---|---|---|---|---|
| 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 |
MD801 Series Square Flange Receptacle Dimensions
| Shell Size | A (in/mm) | B (in/mm) | C (in/mm) | D (in/mm) | E (in/mm) | SQ BSC Thread | 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 | 0.245 (6.22) |
| 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 | 0.290 (7.37) |
| 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 | 0.390 (9.91) |
| 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 | 0.445 (11.30) |
| 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 | 0.500 (12.70) |
| 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 | 0.560 (14.22) |
| 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 | 0.650 (16.51) |
MD801 Series Square Flange Receptacle Panel Cutout
| Shell Size | A (in/mm) | B (in/mm) | C (in/mm) | 0.005 (0.13) | BSC |
|---|---|---|---|---|---|
| 5 | 0.328 (8.33) | 0.328 (8.33) | 0.096 (2.44) | 0.091 (2.31) | |
| 6 | 0.390 (8.33) | 0.328 (8.33) | 0.096 (2.44) | 0.091 (2.31) | |
| 7 | 0.453 (11.51) | 0.328 (8.33) | 0.096 (2.44) | 0.091 (2.31) | |
| 8 | 0.515 (13.08) | 0.328 (8.33) | 0.096 (2.44) | 0.091 (2.31) | |
| 9 | 0.57 (14.68) | 0.328 (8.33) | 0.130 (3.30) | 0.126 (3.20) | |
| 10 | 0.640 (16.26) | 0.328 (8.33) | 0.130 (3.30) | 0.126 (3.20) | |
| 13 | 0.828 (21.03) | 0.328 (8.33) | 0.130 (3.30) | 0.126 (3.20) |
MD801 Series Jam Nut Receptacle Dimensions
| Shell Size | A (in/mm) | B (in/mm) | C (in/mm) | D (in/mm) | E (in/mm) | F (in/mm) | G (in/mm) | Flat Thread | Thread |
|---|---|---|---|---|---|---|---|---|---|
| 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 |
MD801 Series Jam Nut Receptacle Panel Cutout
| Shell Size | A (in/mm) | Flat | C (in/mm) | 0.002 (0.05) | 0.002 (0.13) | 0.000 (0.00) |
|---|---|---|---|---|---|---|
| 5 | 0.356 (9.04) | 0.380 (9.65) | 0.356 (9.04) | 0.380 (9.65) | 0.328 (8.33) | 0.774 (19.66) |
| 6 | 0.416 (10.57) | 0.443 (11.25) | 0.416 (10.57) | 0.443 (11.25) | 0.390 (9.91) | 0.860 (21.84) |
| 7 | 0.542 (13.77) | 0.567 (14.40) | 0.542 (13.77) | 0.567 (14.40) | 0.453 (11.51) | 0.944 (23.98) |
| 8 | 0.542 (13.77) | 0.567 (14.40) | 0.542 (13.77) | 0.567 (14.40) | 0.515 (13.08) | 1.032 (26.21) |
| 9 | 0.602 (15.29) | 0.630 (16.00) | 0.602 (15.29) | 0.630 (16.00) | 0.578 (14.68) | 1.180 (29.97) |
| 10 | 0.664 (16.87) | 0.693 (17.60) | 0.666 (16.92) | 0.693 (17.60) | 0.640 (16.26) | 1.268 (32.21) |
| 13 | 0.851 (21.62) | 0.880 (22.35) | 0.851 (21.62) | 0.880 (22.35) | 0.828 (21.03) | 1.470 (37.34) |
MD801 Series Receptacle with PC Tails Dimensions
| Shell Size | A (in/mm) | Sq | B (Bsc) | C (in/mm) | D (in/mm) | E (in/mm) | F (in/mm) | Holes | Thread | M (in/mm) | T (in/mm) | Flat | 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) | 0.3125-0.05P-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) | 0.5625-0.05p-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) | 0.6250-0.05p-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) | 0.812-1P-0.2L2A | 0.8750-28 UNEF-2A | 0.703 (17.86) | 0.599 (15.21) |
MD801 Series PC Tail Diameter
| Contact Size | S (in) | P (in) |
|---|---|---|
| #23 | 0.018/0.022 | |
| #20 | 0.028/0.024 | |
| #16 | 0.060/0.064 | |
| #12 | 0.092/0.096 |
2411041603_Bel-Fuse-MD801-009-02MT10-26SF_C22072017.pdf