The Adapter,connector, cataloged under National Stock Number 5935-01-399-2558, is classified within Federal Supply Class 5935 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Airborn Interconnect, Llc. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5935-01-399-2558 |
| Primary Part Number | 52-21-01 |
| Item Name | Adapter,connector |
| FSC / FSG | 5935 / 59 — No Item Name Available |
| Manufacturer | Airborn Interconnect, Llc |
| Status | ACTIVE |
| Connector Locking Method | LOCK TAB |
| Mating End Quantity | 2 |
| Unthreaded Mounting Hole Diameter | 0.160 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 52-21-01 PRIMARY | Airborn Interconnect, Llc (USA) |
| 62828-90149-1 | Textron Systems Corporation Dba Textron Systems Corp (USA) |
| 447642-1 | Te Connectivity Corporation (USA) |
NSN 5935-01-399-2558 is a Adapter,connector, manufactured by Airborn Interconnect, Llc, classified under FSC 5935 (No Item Name Available). Status: active.
NSN 5935-01-399-2558 has 3 cross-referenced part numbers: 52-21-01 (Airborn Interconnect, Llc), 62828-90149-1 (Textron Systems Corporation Dba Textron Systems Corp), 447642-1 (Te Connectivity Corporation).
There are 2 known substitutes for 5935-01-399-2558: 5915-01-523-1660, 5915-01-523-1663. Verify interchangeability with system specifications before substitution.
Key specifications for 52-21-01: Connector Locking Method: LOCK TAB; End Item Identification: AUTOMATED SURFACE OBSERVING SYSTEM (ASOS); Special Features: ADAPTER SHALL BE A FILTER/SURGE SUPPRESSOR TO PERFORM EMI AND SURGE PROTECTION ON TELEPHONE SIGNALS. THE FILTER/SUPPRESSOR SHALL OPERATE WITH NORMAL SWITCHED TELEPHONE SIGNAL LEVELS. IT MUST PASS THE AC RING VOLTAGE OF APPROXIMATELY 170 VAC AS WELL AS AUDIO UP TO 4KHZ. THERE SHALL BE 4 PINS ON EACH FILTER. ALL 4 PINS SHALL BE FILTERED AND PROTECTED FOR SURGE. SURGE PROTECTION SHALL BE SHUNTED TO CASE GROUND. CURRENT RATING - LOAD CURRENT 0.5 AMPERES PER PIN; OPERATING VOLTAGE - 200 VAC; DC RESISTANCE - 0.2 OHMS OR LESS. THE INPUT END OF THE HOUSING SHALL HAVE A RJ-11 SOCKET TELEPHONE CONNECTOR AND A MOUNTING FLANGE. THE FLANGE SHALL HAVE TWO 4-40 SCREW INSERTS. THE OUTPUT END SHALL HAVE A RJ-11 CONNECTOR. THE PINS SHALL BE WIRED PIN TO PIN KHz; Mating End Quantity: 2. 7 total characteristics are documented in the Federal Logistics Information System.