MIL-SPEC · D38999/26Updated 2026-10-03
D38999/26WE35PN
The '26' indicates a straight plug shell style. [3, 11, 13] The 'W' specifies an aluminum alloy body with olive drab cadmium plating, offering 175°C temperature resistance, 500-hour salt spray protection, and EMI shielding. [3, 11, 12] The 'E' denotes shell size 17. [3, 7] The '35' refers to the insert arrangement, which for this part number has 55 positions. [3, 7] The 'P' indicates pin (male) contacts. [3, 7, 11, 12] The 'N' specifies a normal keying position. [3, 7, 8, 11, 13] Identifies the MIL-DTL-38999 specification standard for circular connectors, widely used in aerospace, defense, and harsh environments. [4, 5, 13]
Part number dissection
D38999MIL-DTL-38999 specification standard for circular connectors, widely used in aerospace, defense, and harsh environments. [4, 5, 13]
26WE35The '26' indicates a straight plug shell style. [3, 11, 13] The 'W' specifies an aluminum alloy body with olive drab cadmium plating, offering 175°C temperature resistance, 500-hour salt spray protection, and EMI shielding. [3, 11, 12] The 'E' denotes shell size 17. [3, 7] The '35' refers to the insert arrangement, which for this part number has 55 positions. [3, 7]
PNThe 'P' indicates pin (male) contacts. [3, 7, 11, 12] The 'N' specifies a normal keying position. [3, 7, 8, 11, 13]
Specifications
Base codeThe '26' indicates a straight plug shell style. [3, 11, 13] The 'W' specifies an aluminum alloy body with olive drab cadmium plating, offering 175°C temperature resistance, 500-hour salt spray protection, and EMI shielding. [3, 11, 12] The 'E' denotes shell size 17. [3, 7] The '35' refers to the insert arrangement, which for this part number has 55 positions. [3, 7]
Finish / variantThe 'P' indicates pin (male) contacts. [3, 7, 11, 12] The 'N' specifies a normal keying position. [3, 7, 8, 11, 13]
Qualified sources · QPL-38999
AMPHENOL SOCAPEX (DC ELECTRONICS INC)CAGE F6162 · FRA
GLENAIR, INC.CAGE 06324 · USA
HI REL CONNECTORS, INC.CAGE 34222 · USA
SOURIAUCAGE F0225 · FRA
AERO-ELECTRIC CONNECTOR, INC.CAGE 59976 · USA
CORSAIR ELECTRICAL CONNECTORS INCCAGE 1R6R9 · USA
AMPHENOL CORPCAGE 77820 · USA
TE CONNECTIVITY CORPORATION (TYCO ELECTRONICS CORPORATION)CAGE 11139 · USA
AMPHENOL INTERCONNECT INDIA PRIVATE LIMITEDCAGE 1433Y · IND
Sources listed on the Qualified Products List for D38999/26WE35PN, per DLA's Qualified Products Database. View on DLA QPD ↗
Acceptable alternates
D38999/26FE35PNAluminum, Electroless Nickel Plated finish
D38999/26GE35PNAluminum, Space-Grade Electroless Nickel finish
D38999/26TE35PNAluminum, Nickel PTFE finish
D38999/26ZE35PNAluminum, Black Zinc Nickel finish
Confirm acceptability against your drawing before ordering.
Availability
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BTEK Components MFG LLC · Largo, FloridaPart data compiled and verified by BTEK's sourcing engine.