JY27467T11B99PHN Circular Connector | MIL-DTL-38999 Series Equivalent
| Application: | Microwave, Automobile | Surface Treatment: | Cadmium Plating |
| Transport Package: | PP+Carton | Trademark: | Donconn |
| Origin: | China | HS Code: | 8536909000 |
JY27467T11B99PHN Bayonet Circular Connector Plug, GJB599 Series I / D38999 Series I
The JY27467T11B99PHN is a bayonet-coupling circular electrical connector plug designed for aerospace, avionics, and industrial platforms. It conforms to GJB599A Series I requirements and is interchangeable with the MS27467T11B99PHN designation used in D38999 Series I supply chains.
This T-class plug features a threaded rear for backshell accessories, shell size 11, olive drab cadmium finish (B), insert arrangement 99, solder pin contacts (PH), and normal keying (N). The design supports EMI/RFI shielding, scoop-proof mating, and solder termination in a compact Series I package.
Product Features
- Conformant to GJB599A Series I (equivalent to D38999 / MS27467 Series I style)
- Interchangeable with cross-reference part number MS27467T11B99PHN
- Three-point bayonet quick-coupling for fast, vibration-resistant mating
- Threaded rear (T class) for GJB1784 / M85049 style backshell accessories
- Olive drab cadmium shell finish (B) for corrosion resistance and conductivity
- Solder pin contact configuration (PH) with insert arrangement 99 (typically 7 x #20 contacts)
- Five-key polarization with normal keying (N) for standard anti-mismatch mating
Technical Specifications - JY27467T11B99PHN
| Parameter | Value |
|---|---|
| Part Number | JY27467T11B99PHN |
| Equivalent Part Number | MS27467T11B99PHN |
| Series | GJB599 Series I / D38999 Series I |
| Connector Type | Circular plug (JY27467 / MS27467) |
| Coupling | Bayonet (three-point) |
| Shell Class | T - Threaded rear for accessories |
| Shell Size | 11 |
| Finish | B - Olive drab cadmium plating |
| Insert Arrangement | 99 (typically 7 x #20 contacts) |
| Contact Gender / Termination | PH - Pin contacts, solder type |
| Keying / Polarization | N - Normal |
| Overall Diameter D (mm) | 24.6 |
| Length L (mm) | 31.0 |
| Rear Thread | 0.5625-24 UNEF |
| Protection / Sealing | Interface and rear sealing; up to IP65 class environments when properly assembled |
| Compatible Mating | Matching Series I receptacles (JY27466 / JY27656 / JY27468 / JY27496 / JY27505), size 11, arrangement 99, socket contacts, keying N |
Part Number Breakdown
| Segment | Meaning |
|---|---|
| JY | GJB599 circular connector series prefix (MS for D38999 equivalent naming) |
| 27467 | Plug connector style (Series I bayonet plug) |
| T | Threaded rear shell for backshell / cable accessory mounting |
| 11 | Shell size 11 |
| B | Olive drab cadmium finish |
| 99 | Insert arrangement 99 |
| PH | Pin contacts, solder termination |
| N | Normal keying position |
Related options: JY27467T11F99PHN uses electroless nickel finish; crimp versions omit H (e.g. JY27467T11B99PN); socket versions use SH contacts; alternate keying uses A–E. Confirm contact plating and service rating from the arrangement chart before harness design. There is no functional difference between JY and MS prefixes for form-fit-function mating within the same Series I family.
Compatible Applications
The JY27467T11B99PHN circular plug is intended for platforms that require compact, sealed bayonet interconnects with secure mating. Typical use cases include:
- Aircraft and helicopter wiring harnesses
- Avionics LRUs, radar, and communication equipment
- Ground vehicles and rugged electronic enclosures
- Shipboard and outdoor equipment requiring sealed circular connectors
- Industrial systems that standardize on GJB599 / D38999 Series I interfaces
Selection Guide
| Requirement | Recommended Choice |
|---|---|
| Series I bayonet plug, size 11 / arrangement 99 / solder pins / keying N | JY27467T11B99PHN - this product |
| Same plug with crimp pin contacts | JY27467T11B99PN |
| Same plug with solder socket contacts | JY27467T11B99SHN |
| Matching receptacle with socket contacts | JY27466 / JY27656 / JY27468 (by mounting style), size 11, arrangement 99, S, keying N |
| Cable clamp / EMI backshell accessory | Compatible M85049 / GJB1784 accessory for Series I, shell size 11 |
Installation Notes
- Verify shell size, insert arrangement, contact gender, finish, and keying before mating.
- Use the correct #20 solder contact process specified for arrangement 99; avoid overheating the insulator during soldering.
- Keep connector interfaces clean and capped when not in use to protect sealing surfaces.
- Select a matching T-class compatible backshell for the 0.5625-24 UNEF rear thread.
- Apply the recommended coupling engagement and, where required, use anti-loosening methods on accessories such as safety wire or thread-locking compound.
Why Choose JY27467T11B99PHN
Form-Fit-Function Compatibility
Choosing JY27467T11B99PHN ensures form-fit-function compatibility with MS27467T11B99PHN supply chains while meeting GJB599A Series I requirements. The bayonet plug geometry supports fast mating, EMI shielding continuity, and reliable interconnect behind Series I circular connector interfaces in aerospace and industrial systems.
Ordering Information
Order by the GJB599 designation JY27467T11B99PHN, or cross-reference as MS27467T11B99PHN, depending on your procurement standard. When requesting a quote, please confirm mating receptacle part number, contact plating, cable accessory, and required quantity.
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