The Connector,plug,electrical, cataloged under National Stock Number 5935-01-040-7990, is classified within Federal Supply Class 5935 (Connectors, Electrical) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Amphenol Corporation Div Amphenol Rf. Government technical data includes 30 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5935-01-040-7990 |
| Primary Part Number | 506895-18-18S |
| Item Name | Connector,plug,electrical |
| FSC / FSG | 5935 / 59 — Connectors, Electrical |
| Manufacturer | Amphenol Corporation Div Amphenol Rf |
| Status | ACTIVE |
| Contact Maximum Current Rating in Amps | 41.0 SINGLE MATING END FIRST CONTACT GROUPING |
| Contact Maximum Current Rating in Amps | 22.0 SINGLE MATING END SECOND CONTACT GROUPING |
| Connector Locking Method | INTERNALLY THREADED COUPLING RING |
| Shell Type | SOLID |
| Body Style | STRAIGHT SHAPE, INTERNAL COUPLING W/STRAIN RELIEF |
| Terminal Type | SOLDER WELL SINGLE MATING END ALL CONTACT GROUPINGS |
| Contact Material | COPPER ALLOY SINGLE MATING END ALL CONTACT GROUPINGS |
| Overall Diameter | 1.344 INCHES MAXIMUM IN |
| Mating End Quantity | 1 |
| Precious Material | SILVER |
| Contact Position Arrangement Style | 18-18 SINGLE MATING END |
| Shell Surface Treatment | CADMIUM AND CHROMATE |
| Insert Position in Deg | 0.0 |
| Precious Material and Weight | 0.015 SILVER GRAINS, TROY |
| Terminal Location | BACK SINGLE MATING END ALL CONTACT GROUPINGS |
| Included Contact Quantity | 2 SINGLE MATING END FIRST CONTACT GROUPING |
| Included Contact Quantity | 5 SINGLE MATING END SECOND CONTACT GROUPING |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 1.125 INCHES IN |
| Body Length | 2.609 INCHES MAXIMUM IN |
| Included Contact Type | ROUND SOCKET SINGLE MATING END ALL CONTACT GROUPINGS |
| Contact Maximum AC Voltage Rating in Volts | 200.0 SINGLE MATING END ALL CONTACT GROUPINGS |
| Polarization Method | KEY, MULTIPLE KEY GROOVE |
| Connector Cable Strain Relief Method | COMPRESSION NUT |
| Environmental Protection | MOISTURE RESISTANT AND VIBRATION RESISTANT AND SALT WATER RESISTANT |
| Precious Material and Location | CONTACT SURFACES SILVER |
| Contact Removability | NONREMOVABLE SINGLE MATING END ALL CONTACT GROUPINGS |
| Thread Class | 2B |
| Cable Entrance Diameter | 0.625 INCHES MAXIMUM IN |
| Contact Surface Treatment | SILVER SINGLE MATING END ALL CONTACT GROUPINGS |
| 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 |
|---|---|
| 506895-18-18S | Amphenol Corporation Div Amphenol Rf (USA) |
| 506895-18-18S | Itt Cannon Llc (USA) |
| 10-72618-18S | Amphenol Corp Div Amphenol Aerospace Operations (USA) |
| Reference | Meaning |
|---|---|
| 506895-18-18S | 3/2 Design control — primary reference U.S. Government activity |
NSN 5935-01-040-7990 is a Connector,plug,electrical, manufactured by Amphenol Corporation Div Amphenol Rf, classified under FSC 5935, Connectors, Electrical. Status: active.
NSN 5935-01-040-7990 has 3 manufacturer part numbers on file: 506895-18-18S (Amphenol Corporation Div Amphenol Rf), 506895-18-18S (Itt Cannon Llc), 10-72618-18S (Amphenol Corp Div Amphenol Aerospace Operations).
Key specifications for 506895-18-18S: Contact Maximum Current Rating in Amps: 41.0 SINGLE MATING END FIRST CONTACT GROUPING; Contact Maximum Current Rating in Amps: 22.0 SINGLE MATING END SECOND CONTACT GROUPING; Connector Locking Method: INTERNALLY THREADED COUPLING RING; Shell Type: SOLID. 30 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.