The Connector,plug,electrical, cataloged under National Stock Number 5935-01-186-5458, is classified within Federal Supply Class 5935 (Connectors, Electrical) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Sae International Dba Sae International. Government technical data includes 28 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 9 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government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 | 5935-01-186-5458 |
| Primary Part Number | MS3459W20-18S |
| Item Name | Connector,plug,electrical |
| FSC / FSG | 5935 / 59 — Connectors, Electrical |
| Manufacturer | Sae International Dba Sae International |
| 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 |
| Terminal Type | CRIMP SINGLE MATING END ALL CONTACT GROUPINGS |
| Contact Material | COPPER ALLOY SINGLE MATING END ALL CONTACT GROUPINGS |
| Overall Diameter | 1.788 INCHES MAXIMUM IN |
| Mating End Quantity | 1 |
| Precious Material | GOLD |
| Contact Position Arrangement Style | 20-18 SINGLE MATING END |
| Shell Surface Treatment | CADMIUM |
| Insert Position in Deg | 0.0 |
| Precious Material and Weight | 0.021 GOLD GRAINS, TROY |
| Terminal Location | BACK SINGLE MATING END ALL CONTACT GROUPINGS |
| Included Contact Quantity | 3 SINGLE MATING END FIRST CONTACT GROUPING |
| Included Contact Quantity | 6 SINGLE MATING END SECOND CONTACT GROUPING |
| Shell Surface Treatment Document and Classification | QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 1.312 INCHES AND 1.375 INCHES IN |
| Specification/standard Data | 96906-MS3459 GOVERNMENT STANDARD |
| Included Contact Type | ROUND SOCKET SINGLE MATING END ALL CONTACT GROUPINGS |
| Contact Maximum AC Voltage Rating in Volts | 500.0 SINGLE MATING END ALL CONTACT GROUPINGS |
| Polarization Method | KEYWAY OR MULTIPLE KEYWAY |
| Contact Surface Treatment Document and Classification | MIL-G-45204 MIL SPEC SINGLE TREATMENT RESPONSE SINGLE MATING END ALL CONTACT GROUPINGS |
| Environmental Protection | MOISTURE PROOF AND SALT WATER RESISTANT AND VIBRATION PROOF |
| Precious Material and Location | CONTACT SURFACES GOLD |
| Contact Removability | REMOVABLE 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 |
|---|---|
| MS3459W20-18S PRIMARY | Sae International Dba Sae International (USA) |
| Reference | Meaning |
|---|---|
| AS50151 | 5/9 Secondary reference U.S. Government activity |
| AS34591 | 5/9 Secondary reference U.S. Government activity |
| MS3459W20-18S | 5/9 Secondary reference U.S. Government activity |
| SAE-AS50151 | 3/1 Design control — primary reference Sae International Dba Sae International |
| MIL-C-5015 | 5/9 Secondary reference U.S. Government activity |
| AS34591 | 5/9 Secondary reference Sae International Dba Sae International |
| 9816A20-18S | C/1 Advisory reference — outside the item-of-supply concept Amphenol Optimize Manufacturing Co. Div Amphenol Aerospace/matrix |
| AS50151 | 5/9 Secondary reference Sae International Dba Sae International |
| MS3459W20-18S | 5/9 Secondary reference U.S. Government activity |
NSN 5935-01-186-5458 is a Connector,plug,electrical, manufactured by Sae International Dba Sae International, classified under FSC 5935, Connectors, Electrical. Status: active.
NSN 5935-01-186-5458 has 1 manufacturer part number on file: MS3459W20-18S (Sae International Dba Sae International).
5 possible matches (shared part number, not a government interchangeability claim): 5935-01-220-1943, 5935-01-285-2444, 5935-01-559-8964. Verify interchangeability with system specifications before substitution.
Key specifications for MS3459W20-18S: 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. 28 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.