The Connector,plug,electrical, cataloged under National Stock Number 5935-01-478-9933, 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 27 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5935-01-478-9933 |
| Primary Part Number | MS3406D40-9D |
| Item Name | Connector,plug,electrical |
| FSC / FSG | 5935 / 59 — Connectors, Electrical |
| Manufacturer | Sae International Dba Sae International |
| Status | ACTIVE |
| 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 |
| Overall Diameter | 2.500 INCHES MAXIMUM IN |
| Mating End Quantity | 1 |
| Precious Material | SILVER AND GOLD |
| Contact Position Arrangement Style | 40-9 SINGLE MATING END |
| Shell Surface Treatment | CADMIUM AND NICKEL |
| Insert Position in Deg | 0.0 |
| 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 |
| Shell Surface Treatment Document and Classification | QQ-P-416 FED SPEC ALL TREATMENT RESPONSES |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 2.500 INCHES IN |
| Specification/standard Data | 96906-MS3406 GOVERNMENT STANDARD |
| Included Contact Type | ROUND PIN SINGLE MATING END ALL CONTACT GROUPINGS |
| Polarization Method | KEYWAY OR MULTIPLE KEYWAY |
| Color | OLIVE DRAB |
| Environmental Protection | MOISTURE PROOF AND SALT WATER RESISTANT AND SALT SPRAY PROOF AND VIBRATION RESISTANT AND COLD RESISTANT AND WEATHER RESISTANT |
| Precious Material and Location | CONTACT GOLD AND CONTACT SURFACES SILVER |
| Contact Removability | REMOVABLE SINGLE MATING END ALL CONTACT GROUPINGS |
| Thread Class | 2A AND 2B A |
| Test Data Document | 81349-MIL-DTL-5015 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). |
| Thread Quantity Per Inch | 16 |
| 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 |
|---|---|
| MS3406D40-9D PRIMARY | Sae International Dba Sae International (USA) |
| Reference | Meaning |
|---|---|
| MS3406D40-9D | 5/9 Secondary reference U.S. Government activity |
| SAE-AS50151 | 3/1 Design control — primary reference Sae International Dba Sae International |
| AS50151 | 5/9 Secondary reference U.S. Government activity |
| AS50151 | 5/9 Secondary reference Sae International Dba Sae International |
| MS3406D40-9D | 5/9 Secondary reference U.S. Government activity |
| MIL-DTL-5015 | 5/9 Secondary reference U.S. Government activity |
NSN 5935-01-478-9933 is a Connector,plug,electrical, manufactured by Sae International Dba Sae International, classified under FSC 5935, Connectors, Electrical. Status: active.
NSN 5935-01-478-9933 has 1 manufacturer part number on file: MS3406D40-9D (Sae International Dba Sae International).
Key specifications for MS3406D40-9D: 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. 27 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.