The Connector,plug,electrical, cataloged under National Stock Number 5935-01-049-9209, 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 29 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through both NSN and commercial part number lookups. 9 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5935-01-049-9209 |
| Primary Part Number | MS3406D40-9S |
| 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 | 22.0 SINGLE MATING END THIRD CONTACT GROUPING |
| Contact Maximum Current Rating in Amps | 73.0 SINGLE MATING END FIRST CONTACT GROUPING |
| Contact Maximum Current Rating in Amps | 41.0 SINGLE MATING END SECOND CONTACT GROUPING |
| Connector Locking Method | INTERNALLY THREADED COUPLING RING |
| Shell Type | SOLID |
| Body Style | STRAIGHT SHAPE, INTERNAL COUPLING W/BACKSHELL |
| Terminal Type | CRIMP SINGLE MATING END ALL CONTACT GROUPINGS |
| Contact Material | COPPER ALLOY SINGLE MATING END ALL CONTACT GROUPINGS |
| Overall Diameter | 2.719 INCHES MAXIMUM IN |
| Mating End Quantity | 1 |
| Precious Material | GOLD AND SILVER |
| Contact Position Arrangement Style | 40-9 SINGLE MATING END |
| Shell Surface Treatment | CADMIUM AND NICKEL |
| Insert Position in Deg | 0.0 |
| Precious Material and Weight | 0.047 GOLD GRAINS, TROY AND 0.047 SILVER GRAINS, TROY |
| Terminal Location | BACK SINGLE MATING END ALL CONTACT GROUPINGS |
| Included Contact Quantity | 22 SINGLE MATING END SECOND CONTACT GROUPING |
| Included Contact Quantity | 1 SINGLE MATING END FIRST CONTACT GROUPING |
| Included Contact Quantity | 24 SINGLE MATING END THIRD CONTACT GROUPING |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 2.500 INCHES IN |
| Specification/standard Data | 96906-MS3406 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 |
| Environmental Protection | MOISTURE RESISTANT AND VIBRATION RESISTANT AND SALT WATER RESISTANT |
| Precious Material and Location | CONTACT SURFACES GOLD AND CONTACT SURFACES SILVER |
| Contact Removability | REMOVABLE SINGLE MATING END ALL CONTACT GROUPINGS |
| Thread Class | 2A AND 2B A |
| 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 |
|---|---|
| MS3406D40-9S PRIMARY | Sae International Dba Sae International (USA) |
| Reference | Meaning |
|---|---|
| MIL-C-5015 | 5/9 Secondary reference U.S. Government activity |
| FF06D40-9S | C/1 Advisory reference — outside the item-of-supply concept Dcx-Chol Enterprises, Inc. |
| MS3406D40-9S | 5/9 Secondary reference U.S. Government activity |
| AS50151 | 5/9 Secondary reference U.S. Government activity |
| AS50151 | 5/9 Secondary reference Sae International Dba Sae International |
| MS3406D40-9S | 5/9 Secondary reference U.S. Government activity |
| MS3406D40-9S | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| SAE-AS50151 | 3/1 Design control — primary reference Sae International Dba Sae International |
| 802-4680123 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 5935-01-049-9209 is a Connector,plug,electrical, manufactured by Sae International Dba Sae International, classified under FSC 5935, Connectors, Electrical. Status: active.
NSN 5935-01-049-9209 has 1 manufacturer part number on file: MS3406D40-9S (Sae International Dba Sae International).
1 possible match (shared part number, not a government interchangeability claim): 5935-01-230-9672. Verify interchangeability with system specifications before substitution.
Key specifications for MS3406D40-9S: Contact Maximum Current Rating in Amps: 22.0 SINGLE MATING END THIRD CONTACT GROUPING; Contact Maximum Current Rating in Amps: 73.0 SINGLE MATING END FIRST CONTACT GROUPING; Contact Maximum Current Rating in Amps: 41.0 SINGLE MATING END SECOND CONTACT GROUPING; Connector Locking Method: INTERNALLY THREADED COUPLING RING. 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.