The Connector,receptacle,electrical, cataloged under National Stock Number 5935-00-422-4803, is classified within Federal Supply Class 5935 (Connectors, Electrical) of the Electrical and Electronic Equipment Components group. The manufacturer of record is L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products. Government technical data includes 29 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 7 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5935-00-422-4803 |
| Primary Part Number | 990259-4 |
| Item Name | Connector,receptacle,electrical |
| FSC / FSG | 5935 / 59 — Connectors, Electrical |
| Manufacturer | L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products |
| Status | ACTIVE |
| Connector Locking Method | EXTERNALLY THREADED SHELL |
| Shell Type | SOLID |
| Body Style | STRAIGHT SHAPE, EXTERNAL COUPLING |
| Terminal Type | CRIMP SINGLE MATING END SINGLE CONTACT GROUPING |
| Contact Material | COPPER ALLOY SINGLE MATING END SINGLE CONTACT GROUPING |
| Bushing Accommodation Hole Shape | ROUND |
| Overall Diameter | 0.312 INCHES NOMINAL IN |
| Mating End Quantity | 1 |
| Precious Material | GOLD |
| Contact Position Arrangement Style | NONSTD SINGLE MATING END |
| Shell Surface Treatment | GOLD |
| Precious Material and Weight | 0.101 GOLD GRAINS, TROY |
| Terminal Location | BACK SINGLE MATING END SINGLE CONTACT GROUPING |
| Included Contact Quantity | 1 SINGLE MATING END SINGLE CONTACT GROUPING |
| Thread Direction | RIGHT-HAND |
| Mounting Facility Thickness | 0.093 INCHES MAXIMUM IN |
| Nominal Thread Size | 0.250 INCHES IN |
| Included Contact Type | COAXIAL SOCKET SINGLE MATING END SINGLE CONTACT GROUPING |
| Contact Maximum AC Voltage Rating in Volts | 500.0 SINGLE MATING END SINGLE CONTACT GROUPING |
| Connector Cable Strain Relief Method | CRIMP TYPE |
| Environmental Protection | MOISTURE RESISTANT AND SALT WATER RESISTANT AND VIBRATION PROOF |
| Precious Material and Location | CONTACT AND SHELL SURFACES GOLD |
| Distance From Mounting Shoulder to Front Face | 0.400 INCHES MINIMUM AND 0.460 INCHES MAXIMUM IN |
| Contact Removability | REMOVABLE SINGLE MATING END SINGLE CONTACT GROUPING |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 24 |
| Contact Surface Treatment | GOLD SINGLE MATING END SINGLE CONTACT GROUPING |
| Threaded Device Type | COUPLING FACILITY AND MOUNTING BUSHING |
| Thread Series Designator | UNS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 990259-4 PRIMARY | L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products (USA) |
| 990259-4 | Rex Systems Incorporated Dba Rex Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| 050-627-0059-31 | 5/2 Secondary reference U.S. Government activity |
| 610-6205 | 5/9 Secondary reference Tyco Electronics Corp |
| 9707 | 5/9 Secondary reference Itt Cannon Electric Phoenix Div |
| 50-627-0029-3L | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 2034-5002 | 5/9 Secondary reference Tyco Electronics Corp |
| 10131704 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 5935-00-422-4803 is a Connector,receptacle,electrical, manufactured by L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products, classified under FSC 5935, Connectors, Electrical. Status: active.
NSN 5935-00-422-4803 has 2 manufacturer part numbers on file: 990259-4 (L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products), 990259-4 (Rex Systems Incorporated Dba Rex Systems Inc).
7 possible matches (shared part number, not a government interchangeability claim): 6675-00-585-9707, 7050-01-218-6965, 6515-01-338-4725. Verify interchangeability with system specifications before substitution.
Key specifications for 990259-4: Connector Locking Method: EXTERNALLY THREADED SHELL; Shell Type: SOLID; Body Style: STRAIGHT SHAPE, EXTERNAL COUPLING; Terminal Type: CRIMP SINGLE MATING END SINGLE CONTACT GROUPING. 29 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.