The Adapter,connector, cataloged under National Stock Number 5935-01-218-5446, is classified within Federal Supply Class 5935 (Connectors, Electrical) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Department of the Army Hq United States Army Communications Research and Development Command. Government technical data includes 26 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5935-01-218-5446 |
| Primary Part Number | B4039198 |
| Item Name | Adapter,connector |
| FSC / FSG | 5935 / 59 — Connectors, Electrical |
| Manufacturer | Department of the Army Hq United States Army Communications Research and Development Command |
| Status | ACTIVE |
| Connector Locking Method | EXTERNALLY THREADED SHELL |
| Shell Type | SOLID |
| Body Style | STRAIGHT SHAPE, INTERNAL COUPLING |
| Overall Diameter | 0.620 INCHES NOMINAL IN |
| Mating End Quantity | 2 |
| Precious Material | GOLD |
| Contact Position Arrangement Style | N FIRST MATING END |
| Contact Position Arrangement Style | SMA SECOND MATING END |
| Contact Maximum Frequency Rating | 18000.0 MEGAHERTZ ALL MATING ENDS SINGLE CONTACT GROUPING |
| Precious Material and Weight | 0.010 GOLD GRAINS, TROY |
| Included Contact Quantity | 1 SECOND MATING END SINGLE CONTACT GROUPING |
| Included Contact Quantity | 1 FIRST MATING END SINGLE CONTACT GROUPING |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.625 INCHES AND 0.250 INCHES IN |
| Included Contact Type | COAXIAL SOCKET ALL MATING ENDS SINGLE CONTACT GROUPING |
| Contact Surface Treatment Document and Classification | MIL-G-45204 TY 2,CL 2 MIL SPEC SINGLE TREATMENT RESPONSE ALL MATING ENDS SINGLE CONTACT GROUPING |
| Environmental Protection | SHOCK PROOF AND VIBRATION PROOF |
| Precious Material and Location | CONTACT SURFACES GOLD |
| Contact Removability | NONREMOVABLE ALL MATING ENDS SINGLE CONTACT GROUPING |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 24 AND 36 |
| Contact Surface Treatment | GOLD ALL MATING ENDS SINGLE CONTACT GROUPING |
| Threaded Device Type | COUPLING FACILITY |
| Thread Series Designator | UNEF AND UNS |
| Radio Frequency Type Contact Characteristic Impedance in Ohms | 50.0 ALL MATING ENDS SINGLE CONTACT GROUPING |
| Shell Material | STEEL CORROSION RESISTING |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
NSN 5935-01-218-5446 is a Adapter,connector, manufactured by Department of the Army Hq United States Army Communications Research and Development Command, classified under FSC 5935, Connectors, Electrical. Status: active.
NSN 5935-01-218-5446 has 2 manufacturer part numbers on file: B4039198 (Department of the Army Hq United States Army Communications Research and Development Command), 104-3 (Cinch Connectivity Solutions Inc).
Key specifications for B4039198: Connector Locking Method: EXTERNALLY THREADED SHELL; Shell Type: SOLID; Body Style: STRAIGHT SHAPE, INTERNAL COUPLING; Overall Diameter: 0.620 INCHES NOMINAL IN. 26 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.