MIL-SPEC · D38999/20Updated 2026-10-03
D38999/20KB98PN
Connector's shell style, finish, shell size, and insert arrangement. '20' indicates a wall mount receptacle, 'K' denotes a stainless steel, firewall, corrosion-resistant finish, 'B' signifies shell size 11, and '98' refers to the insert arrangement, which typically carries fewer, larger size-20 contacts. Specifies the contact type and keying position. 'P' indicates pin contacts, and 'N' denotes a normal keying position. Identifies the MIL-DTL-38999 circular connector family, a US aerospace/military hardware standard.
Part number dissection
D38999MIL-DTL-38999 circular connector family, a US aerospace/military hardware standard.
20KB98Connector's shell style, finish, shell size, and insert arrangement. '20' indicates a wall mount receptacle, 'K' denotes a stainless steel, firewall, corrosion-resistant finish, 'B' signifies shell size 11, and '98' refers to the insert arrangement, which typically carries fewer, larger size-20 contacts.
PNContact type and keying position. 'P' indicates pin contacts, and 'N' denotes a normal keying position.
Specifications
Base codeConnector's shell style, finish, shell size, and insert arrangement. '20' indicates a wall mount receptacle, 'K' denotes a stainless steel, firewall, corrosion-resistant finish, 'B' signifies shell size 11, and '98' refers to the insert arrangement, which typically carries fewer, larger size-20 contacts.
Finish / variantContact type and keying position. 'P' indicates pin contacts, and 'N' denotes a normal keying position.
Qualified sources · QPL-38999
HI REL CONNECTORS, INC.CAGE 34222 · USA
SOURIAUCAGE F0225 · FRA
AERO-ELECTRIC CONNECTOR, INC.CAGE 59976 · USA
CORSAIR ELECTRICAL CONNECTORS INCCAGE 1R6R9 · USA
AMPHENOL SOCAPEX (DC ELECTRONICS INC)CAGE F6162 · FRA
AMPHENOL CORPCAGE 77820 · USA
CONNECTEURS ELECTRIQUES DEUTSCH (CED)CAGE F1983 · FRA
AMPHENOL INTERCONNECT INDIA PRIVATE LIMITEDCAGE 1433Y · IND
Sources listed on the Qualified Products List for D38999/20KB98PN, per DLA's Qualified Products Database. View on DLA QPD ↗
Acceptable alternates
D38999/20FB98PNAluminum, electroless nickel finish
D38999/20WB98PNAluminum, olive drab cadmium over electroless nickel base finish
D38999/20ZB98PNAluminum, black zinc nickel finish
D38999/20SB98PNStainless steel, electrodeposited nickel finish
D38999/20LB98PNCorrosion resistant steel, nickel plated conductive finish
D38999/20MB98PNComposite, electroless nickel plated finish
D38999/20TB98PNAluminum, nickel PTFE finish
D38999/20YB98PNHermetic, stainless steel, passivated finish
D38999/20NB98PNHermetic, stainless steel, nickel plated finish
D38999/20GB98PNAluminum, space-grade electroless nickel finish
D38999/20JB98PNComposite, olive drab cadmium finish
Confirm acceptability against your drawing before ordering.
Availability
Lead timeQuoted on request
TraceabilityFull documentation with every shipment
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BTEK Components MFG LLC · Largo, FloridaPart data compiled and verified by BTEK's sourcing engine.