EMI & Environmental Connector-Seal: Front-Mount

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Spira’s Front-Mount EMI & Environmental Connector-Seal gaskets are designed to provide an EMI & Environmental seal in flange-mounted connectors for the life of a system. They provide superior shielding quality and an excellent and durable environmental seal.

Category:
Dash No.MIL-C-38999ABCDEF
Series ISeries IISeries III
03S190.7190.6660.9580.1200.999*0.140
06S1110.8120.8061.0510.1201.092*0.140
08S1130.9060.9321.1450.1201.186*0.140
10S1150.9691.0571.2430.1200.137
12S1171.0621.1701.3360.1200.137
14S1191.1561.3071.4600.1200.152
16S1211.2501.4321.5850.1200.168
18S1231.3751.5571.7100.1520.168
20S1251.5001.6821.8350.1520.168
01S280.5940.5630.8280.1200.874*0.140
05S2100.7190.6800.9540.1200.999*0.140
07S2120.8120.8591.0470.1201.092*0.140
09S2140.9060.9841.1410.1201.186*0.140
11S2160.9691.0681.2430.1200.137
13S2181.0621.1931.3460.1200.142
15S2201.1561.3181.4710.1200.158
17S2221.2501.4431.5960.1200.173
19S2241.3751.5701.7230.1520.174
04S390.7190.6350.9480.1201.000*0.141
06S3110.8120.7601.0420.1201.094*0.141
08S3130.9060.8851.1360.1201.188*0.141
10S3150.9691.0101.2540.1200.143
12S3171.0621.1851.3480.1200.143
14S3191.1561.2601.4490.1200.147
16S3211.2501.3851.5750.1200.163
18S3231.3751.5101.7010.1500.163
20S3251.5001.6351.8230.1500.162
MS-3412, MIL- DTL 5015 Series IIMIL-C-28840ABCDF
2280.5940.5100.8750.1200.141
23100.7190.6351.0000.1200.141
24110.7500.7601.0230.1200.137
25120.8120.7601.0940.1200.141
26130.8430.8851.1380.1200.148
27140.9060.8851.1880.1200.141
28150.9681.0721.2580.1200.145
29160.9691.0101.2810.1200.156
30171.0151.1351.3830.1200.184
31181.0621.1351.3750.1200.157
32191.1401.3221.5080.1200.184
33201.1561.2601.5000.1200.172
34221.2501.3851.6250.1200.188
35231.2811.5101.7180.1200.219
36241.3751.5101.7500.1500.188
37251.3921.6351.8180.1500.213
38281.5621.7602.0000.1500.219
39291.5681.8852.1380.1500.285
40321.7502.0102.2500.1700.250
41331.7342.0732.3280.1700.297
42361.9382.2602.5000.1700.281
43402.1882.5102.7500.1700.281
44442.3752.7603.0000.1700.313
45482.6253.0103.2500.1700.313

* Type 1 gaskets have an E dimension to provide sufficient environmental sealing on smaller sizes.

Note that the dash numbers and sizes are different for each type of Connector-Seal gasket: the Environmental Connector-Seal Standard-Mount (ECS), the Front-Mount Environmental Connector-Seal (FMECS) and the EMI-Only version (CS).

The Front-Mount EMI & Environmental Connector-Seal gaskets have a Spira-Shield O-Ring gasket on the outside of the frame to provide an environmental seal when front mounting the connector. The frame consists of a metal plate sealed on both sides with vulcanized silicone or fluorosilicone rubber elastomer. The metal plate eliminates cold flow of the environmental sealing elastomer and provides a very durable and reusable gasket. Please see the related products for a more cost-effective back-mounted EMI & Environmental Connector-Seal.

Materials

Frame: Corrosion resistant Stainless Steel, between silicone or fluorosilicone rubber elastomer.
Spiral: Spira-Shield Standard force tin/lead plated beryllium copper gasket is standard. Other spiral plating options are available.

Shielding Quality

Connector-Seal gaskets offer shielding quality from 116 to 152 dB. The level is dependent on contact surfaces and may vary depending on your specific application. Refer to our Shielding Quality charts for more complete performance data.

Plating

The standard spiral (“T”) is electroplated, 90% tin, 10% lead (edges unplated). Plating options can be specified by changing the prefix in the part number:

E: Edge tin/lead plating (includes edges) for high humidity or salt-fog environments
IW: RoHS compliant tin plating (Example: ECS-IW-21 /S)
EIW: RoHS compliant edge tin plating for high humidity or salt-fog
NI: Stainless steel
TNI: Tin-plated stainless steel
IWNI: RoHS tin-plated stainless steel

Frame

The default frame is stainless steel sealed on both sides by silicone or fluorosilicone rubber elastomer.

Elastomer

Elastomers are available in either silicone or fluorosilicone rubber.

Ordering Information

EMI & Environmental Connector-Seal gaskets are ordered by the piece. Not all configurations are stock items. Custom sizes are also available. Contact us for availability.

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