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| | | LEMO PART NUMBERING SYSTEM
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 |  |  |  |  | | | Size & Series
 |  | Code | Descriptor | | | |  | |  | |
 
 |  |  |  |  | | | Insert Configuration (most common)
 |  | Code | Insert Style | Descriptor | | |  |  | Unipole | XX = Contact Diameter |  |  |  |
|  | | |  | |  | | |  |  | Multipole | XX = Number of Contacts |  |  |  |
|  | | |  |  | High Voltage | XX = Model Variation |  |  |  |
|  | | |  | |  | | |  |  | Hybrid LV + HV | XX = Model Variation |  |  |  |
|  | | |  |  | Hybrid LV + Coaxial | XX = Model Variation |  |  |  |
|  | | |  |  | Other Hybrids | XX = Model Variation |  |  |  |
|  | | |  |  | Fluidic | XX = Model Variation |  |  |  |
|  | | |  |  | Fiberoptic | XXn = Model Variation |  |  |  |  | | XX = two characters, n = digit |
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 |  |  |  |  | | | Housing Material (most common)
 |  | Code | Material | | | |  | |  | | |  | |  | | |  | |  | | |  | |  | | |  |  | Black chrome plated brass |  |  |  |  |
|  | | |  | |  | | |  | |  | | |  |  | Polyamide 6 or Polysulfone |  |  |  |  |
|  | | |  | |  | | |  | |  | | |  | |  | | |  | |  | | |  | |  | | |  | |  | |
 
 |  |  |  |  | | | Insulator Material
 |  | Code | Insulator | | | |  | |  | | |  | |  | | |  | |  | | |  | |  | | |  | |  | | |  | |  | | |  | |  | | |  | |  | | |  | |  | | |  | |  | | |  | |  | | |  | | | | | | The material used depends on the the connector type.
1 Material of secondary insulator in the mixed types
2 Longer version for crimp contacts
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 |  |  |  |  | | | Contact Type
 |  | Code | Contact | | | | | | | |  | |  | | | | | | |  | |  | | |  | |  | | |  | |  | | |  | |  | | | | | | |  | |  | | | | | | |  | |  | | |  | |  | | | | | | |  | |  | | | | | | |  | |  | | |  | | | | | | As a general rule, plugs are fitted with male contacts
1 For couplers only
2 For bridge plugs
3 For bridge plugs and straight plugs with two parallel sockets
4 Male contact in plug, female in receptacle
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 |  |  |  |  | | | Collet
 |  | Code | Collet Attachment Method | Descriptor | | |  |  | Collet for REDEL® 1P and 2P Series | XX = Collet Diameter1 |  |  |  |
|  | | |  |  | Collet for S, 2C, K, E, 4A, 4E, 4M, 0A, 00 series | XX = Collet Diameter1 |  |  |  |
|  | | |  |  | Cable seal for REDEL ® 3P series | XX = Collet Diameter1 |  |  |  |
|  | | |  |  | Collet for B, 2G, 00 series | XX = Collet Diameter1 |  |  |  |
|  | | |  |  | Crimp fixing for 0A, 00, 01, fiber 00, 0B series | XX = Collet Diameter1 |  |  |  |
|  | | |  |  | Collet (B series) for undersized cables2 | XX = Collet Diameter1 |  |  |  |
|  | | |  |  | Collet (S, K, E series) for oversized cables | XX = Collet Diameter1 |  |  |  |
|  | | |  |  | Collet (long version) for B, 2C series | XX = Collet Diameter1 |  |  |  |
|  | | |  |  | Adapter for fiber optic K series | XX = Collet Diameter1 |  |  |  |
|  | | |  |  | Glue (other series) | XX = Collet Diameter1 |  |  |  |
|  | | |  |  | Collet for 3T series | XX = Collet Diameter1 |  |  |  |
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1 For collets greater than or equal to 10 mm (0.39") these digits represent the diameter in millimeters. Otherwise they represent diameter in 1/10 mm. The maximum cable diameter that fits the collet is typically 1/10 mm smaller than collet diameter. Example: a "D17" B-Series collet is 1.7 mm in diameter, and can accept a maximum cable diameter of 1.6 mm.
2 requires reducer and reducing cone (to be ordered separately)
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 |  |  |  |  | | | Variant
 |  | Code | General Variants | | | |  |  | Collet nut for fitting a bend relief (free plugs and receptacles) |  |  |  |  |
|  | | |  |  | No washer/nut (fixed plugs and receptacles) |  |  |  |  |
|  | | |  |  | Potted (watertight models) |  |  |  |  |
|  | | |  |  | Potted and vacuum tested (watertight models) |  |  |  |  |
|  | | |  |  | Cable group (n=single digit) |  |  |  |  |
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 |  |  |  |  |  | Code | Plastic Material Color | | | |  | |  | | |  | |  | | |  | |  | | |  | |  | | |  | |  | | |  | |  | | |  | |  | | |  | |  | | |  | |
 |  |  |  |  |  | Code | Anodizing Color For Aluminum | | | |  | |  | | |  | |  | | |  | |  | | |  | |  | | |  | |  | | |  | |  | | |  |  | Natural, also has collet nut for bend relief |  |  |  |  |
|  | | |  |  | Black, also has collet nut for bend relief |  |  |  |  |
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