MS27508E18B35PLB:
Shell components are impact extruded or machined bar stock aluminum. Standard plating on shell components is cadmium over nickel. Many finishes are optional . Hermetic seal receptacles are available in carbon steel or stainless steel shells. Dependable 5 key/keyway polarization with bayonet lock coupling is incorporated to aid and assure positive mating. Insert material is a rigid dielectric with excellent electrical characteristics, providing durable protection for molded-in solder type contacts. Contrasting letter
or number designations are used on insert faces. A fluorinated silicone interfacial seal wafer is featured on the mating face of “crimp type pin” inserts. This assures complete electrical isolation of pins when connector halves are mated. In addition, a main joint gasket is installed in the receptacle for
moisture sealing between connector halves. Both features are also available for hermetic receptacles.
Part number:
MS Number
MS Number designates MIL-DTL-38999, Series I LJT Lanyard Release Plug
Service Class
E for environmental crimp applications (inactive for new design)
T for environmental crimp applications with serrations on rear threads of shell
Shell Size MIL-DTL-38999, sizes 11 through 25
Finish
B designates corrosion resistant olive drab cadmium plated aluminum, 500 hour extended salt spray, EMI shielding effectiveness –50dB @ 10 GHz specification min., 175°C
F designates electroless nickel plated aluminum, 48 hour salt spray, EMI shielding effectiveness –65dB @ 10 GHz500 specification min., 200°C These are standard finishes. Consult Amphenol Aerospace for variations.
Insert Arrangement
MIL-DTL-38999, see insert identification chart on page 40.
Contact Style
P designates Lanyard Release plug with pin contacts
S designates Lanyard Release plug with socket contacts
Polarizing Postion
For alternate positions of connector (to prevent crossmating) see LJT key/keyway rotation description on page 5. (No letter is required for normal)
Detail:
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