D38999/20
Wall-mount receptacle
Four-hole flange receptacle family; confirm class, insert, contacts and keying.
View matching product →High-density harsh-environment circular interconnects
MIL-DTL-38999 Connector Alternatives & Complete BOM Support
A high-intent sourcing page for D38999 plugs, receptacles, contacts and matched M85049 rear accessories—built around complete part-number decoding and customer validation.
MIL-DTL-38999 connector alternativeD38999 compatible connectorD38999/20 wall mount receptacleD38999/24 jam nut receptacle
AI-GENERATED SERIES VISUALFamily-level visual: D38999/26-style straight plug with D38999/20-style wall-mount receptacle. Visual reference only; not an engineering drawing or exact SKU photo.
Quick Answer
Can Tradin Connect support MIL-DTL-38999 connectors?
Yes. D38999 is a core Tradin Connect sourcing category. We can review Series I, II and III requirements when supply is confirmed, with current product examples focused on Series III D38999/20 wall-mount, /24 jam-nut and /26 straight-plug styles. Every alternative is matched from the full part number and application requirements.
Reference familyMIL-DTL-38999 Series I, II and III requirements when confirmed
Current landing-page focusSeries III /20, /24 and /26 shell styles
Key match inputsShell style, material/finish, shell/insert, contacts and polarization
Accessory pathM85049/SAE AS85049 backshell, contacts, caps, boots, shielding and sealing
Supply positioningCompatible alternative and BOM sourcing—not automatic QPL or original status
Commercial positioning: These pages promote compatible, cost-focused alternatives and custom sourcing paths. They do not represent alternative products as original, universally interchangeable, QPL-listed or identical in every performance dimension.
Model Architecture
Major MIL-DTL-38999 model families
Use the style code to orient the discussion—not to complete a missing part number. Every remaining segment still needs verification.
D38999/24
Jam-nut receptacle
Single-hole panel-mount family for compact equipment interfaces.
View matching product →D38999/26
Straight plug
Cable plug family that may require a matched backshell, boot and shield termination.
View matching product →Series I
Bayonet-coupled family
Treat as a separate series and validate exact interface and accessories.
Series II
Low-profile bayonet family
Series-specific shell and accessory requirements must be confirmed.
Series III
Tri-start threaded family
Current Tradin Connect examples are concentrated in this family.
High-intent references covered on this page
Published Product Records
MIL-DTL-38999 products with direct internal links
Open a real product record to review its part number, images, specifications and inquiry path. The exact quoted configuration is still confirmed before supply.
MIL-DTL-38999 Connectors
D38999/20WB35PN Compatible 13-Contact Wall Mount Receptacle
TC-D38999/20WB35PN
D38999/20WB35PN compatible Series III wall-mount receptacle with 13 pin contacts for rugged aerospace, defense and industrial harness interfaces.
View Product
MIL-DTL-38999 Connectors
D38999/20 Wall Mount Receptacle
D38999/20
D38999/20 style wall-mount receptacle alternative with configuration review for shell size, insert arrangement, contacts, keying and finish.
View ProductMIL-DTL-38999 Connectors
D38999/20ZC8PN Compatible 8-Contact Wall Mount Receptacle
TC-D38999/20ZC8PN
D38999/20ZC8PN compatible Series III wall-mount receptacle with pin contacts, normal keying and a zinc-nickel finish reference.
View Product
MIL-DTL-38999 Connectors
D38999/24WB35PN Compatible 13-Contact Jam Nut Receptacle
TC-D38999/24WB35PN
D38999/24WB35PN compatible Series III jam-nut receptacle with 13 pin contacts for compact single-hole panel mounting.
View ProductMIL-DTL-38999 Connectors
D38999/20FB35SN Compatible 13-Contact Wall Mount Receptacle
TC-D38999/20FB35SN
D38999/20FB35SN compatible Series III wall-mount receptacle with 13 socket contacts and an electroless-nickel finish reference.
View ProductMIL-DTL-38999 Connectors
D38999/26 Straight Plug
TC-D38999-26
Straight plug style D38999 compatible option for rugged harness cable assemblies.
View ProductMIL-DTL-38999 Connectors
D38999/24 Jam Nut Receptacle
TC-D38999-24
Jam nut receptacle style connector alternative for compact panel mounting and harsh-environment systems.
View Product
MIL-DTL-38999 Connectors
MIL-DTL-38999 Series III Wall-Mount Receptacle Sourcing Option
TC-PILOT-D38999-WMR
Series III style wall-mount receptacle sourcing support matched from the complete original part number, drawing or mating interface.
View ProductSelection Guide
Four checks before we quote
This is the practical information procurement and engineering teams need to reduce cross-reference risk.
DecisionWhy it mattersWhat to send
01Which D38999 series?Series I, II and III use different coupling and accessory interfaces.Full prefix, series or catalog reference
02Which shell style and class?/20, /24 and /26 define the broad form; the following class/finish codes still matter.Complete part number without omitted suffixes
03Which insert, contacts and keying?Shell size, insert arrangement, pin/socket and polarization jointly define the mating interface.Mating part and connector face drawing or photo
04Which backshell and cable system?Rear thread, cable OD, shield, sealing and strain relief determine the accessory stack.M85049 reference, cable build and boot/EMI needs
Representative Form Factors
Start with /20, /24 or /26—then decode every remaining segment
Wall-mount, jam-nut and straight-plug forms are only the first decision. Class and finish, shell and insert, pin or socket, and polarization still determine the quoted connector and its mating accessories.
Beyond One Connector
From a part number to a complete harness-side solution
Our value is not simply offering a lower-cost connector. We organize the connector, mating half, contacts, rear accessories, shielding, sealing and cable protection around one reviewed BOM.
Send Your BOMComplete number decoding
We review the full D38999 string instead of quoting from /20, /24 or /26 alone.
Connector + backshell pairing
The connector is matched with confirmed M85049/AS85049 rear accessories and cable entry requirements.
Mixed BOM quotation
Plugs, receptacles, contacts, caps, backshells, boots, sealing and cable protection can be supplied in one RFQ path.
Validation-ready alternatives
Samples, drawings and documentation can support the customer’s form, fit and performance validation plan.
CONTENT OWNER
Tradin Connect Technical Sourcing Team
Last reviewed: 24 August 2026
How this page was prepared
Model-family structure was checked against manufacturer technical catalogs and the existing Tradin Connect catalog. The page deliberately avoids unverified qualification, performance, stock, lead-time and customer-use claims. Final quoted specifications still require document review.
Technical Sources
References used for this pre-review
Manufacturer catalogs describe the reference families; they do not prove that an alternative has identical performance or qualification.
- 01MIL-DTL-38999 model-family guideTradin ConnectOpen internal guide →
- 02MIL-DTL-38999 selection and visual guideTradin ConnectOpen internal guide →
- 03MIL-DTL-38999 Series III TV ConnectorsAmphenol AerospaceCatalog reference
- 04MIL-DTL-38999 catalogAmphenol AerospaceCatalog reference
Question & Answer
MIL-DTL-38999 sourcing questions
Concise answers for buyers, distributors, harness makers and engineers. Exact compatibility, documentation and qualification are still confirmed against the quoted item.
01What do D38999/20, D38999/24 and D38999/26 identify?+
For Series III references, /20 is the wall-mount receptacle family, /24 is the jam-nut receptacle family and /26 is the straight-plug family. The remaining codes are still required for an exact match.
02Can you cross-reference a full D38999 part number?+
Yes. Send the complete number and, when possible, the mating connector, drawing, cable details, application and documentation requirements. We will identify which segments need confirmation before quoting.
03Can you match an M85049 backshell to the connector?+
Yes, backshell matching is a core part of the BOM workflow. We still need the connector series and shell, backshell function, angle, cable entry, shield method, finish and environmental requirements.
04Do you supply genuine original D38999 connectors?+
Original and alternative routes must be clearly separated. This landing page is positioned around compatible alternatives. Any genuine original offer would need its own authenticity and traceability documentation.
05Does “compatible” mean the same qualification and service life?+
No. Compatibility describes a documented interface and application match under review; it does not establish identical qualification, performance or service life. Customer testing and approval remain necessary.
06Which information should be included in a D38999 RFQ?+
Include the full connector and backshell numbers, quantity, mating half, cable OD and shield construction, operating environment, applicable drawings, required documents and planned validation.
Cross-Reference Request
Send the complete MIL-DTL-38999 part number.
Add the drawing, mating part, cable details, quantity, application, required documents and validation plan for a more dependable review.