The Connector,plug,electrical, cataloged under National Stock Number 5935-01-550-3423, 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 20 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 5935-01-550-3423 |
| Primary Part Number | MS3406DJ28B21DX |
| 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 |
| Body Style | STRAIGHT SHAPE, INTERNAL COUPLING W/STRAIN RELIEF |
| Terminal Type | CRIMP SINGLE MATING END SINGLE CONTACT GROUPING |
| Overall Diameter | 1.969 INCHES MAXIMUM IN |
| Mating End Quantity | 1 |
| Contact Position Arrangement Style | 28-21 SINGLE MATING END |
| Insert Position in Deg | 110.0 |
| Terminal Location | BACK SINGLE MATING END SINGLE CONTACT GROUPING |
| Included Contact Quantity | 37 SINGLE MATING END SINGLE CONTACT GROUPING |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 1.750 INCHES IN |
| Body Length | 6.062 INCHES MAXIMUM IN |
| Included Contact Type | ROUND PIN SINGLE MATING END SINGLE CONTACT GROUPING |
| Polarization Method | KEYWAY OR MULTIPLE KEYWAY |
| Connector Cable Strain Relief Method | CABLE CLAMP |
| Thread Class | 2B |
| Cable Entrance Diameter | 0.625 INCHES MINIMUM AND 0.937 INCHES MAXIMUM IN |
| Thread Quantity Per Inch | 18 |
| Thread Series Designator | UNS |
| Shell Material | ALUMINUM ALLOY |
| 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 |
|---|---|
| MS3406DJ28B21DX PRIMARY | Sae International Dba Sae International (USA) |
| Reference | Meaning |
|---|---|
| MS3406 | 5/9 Secondary reference U.S. Government activity |
| SAE-AS3406 | 5/9 Secondary reference U.S. Government activity |
| MS3406DJ-28B-21DX | 5/9 Secondary reference U.S. Government activity |
| MS3406DJ-28B-21DX | 5/9 Secondary reference U.S. Government activity |
| SAE-AS3406 | 5/9 Secondary reference Sae International Dba Sae International |
| SAE-AS50151 | 3/1 Design control — primary reference Sae International Dba Sae International |
NSN 5935-01-550-3423 is a Connector,plug,electrical, manufactured by Sae International Dba Sae International, classified under FSC 5935, Connectors, Electrical. Status: active.
NSN 5935-01-550-3423 has 1 manufacturer part number on file: MS3406DJ28B21DX (Sae International Dba Sae International).
3 possible matches (shared part number, not a government interchangeability claim): 5935-01-550-5853, 5935-01-550-5876, 5935-01-550-5896. Verify interchangeability with system specifications before substitution.
Key specifications for MS3406DJ28B21DX: Connector Locking Method: INTERNALLY THREADED COUPLING RING; Body Style: STRAIGHT SHAPE, INTERNAL COUPLING W/STRAIN RELIEF; Terminal Type: CRIMP SINGLE MATING END SINGLE CONTACT GROUPING; Overall Diameter: 1.969 INCHES MAXIMUM IN. 20 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.