The Connector,receptacle,electrical, cataloged under National Stock Number 5935-01-612-1780, 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 25 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through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 7 items share a part number with this NSN in the catalog (possible match — not a government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 | 5935-01-612-1780 |
| Primary Part Number | MS3400D20-19PX |
| Item Name | Connector,receptacle,electrical |
| FSC / FSG | 5935 / 59 — Connectors, Electrical |
| Manufacturer | Sae International Dba Sae International |
| Status | ACTIVE |
| Connector Locking Method | EXTERNALLY THREADED SHELL |
| Shell Type | SOLID |
| Body Style | STRAIGHT SHAPE, EXTERNAL COUPLING |
| Terminal Type | CRIMP SINGLE MATING END SINGLE CONTACT GROUPING |
| Mating End Quantity | 1 |
| Precious Material | SILVER |
| Contact Position Arrangement Style | 20-19 SINGLE MATING END |
| Shell Surface Treatment | CADMIUM |
| Insert Position in Deg | 180.0 |
| Terminal Location | BACK SINGLE MATING END SINGLE CONTACT GROUPING |
| Center to Center Distance Between Mounting Facilities Parallel to Height | 1.156 INCHES NOMINAL IN |
| Included Contact Quantity | 3 SINGLE MATING END SINGLE CONTACT GROUPING |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 1.188 INCHES AND 1.250 INCHES IN |
| Included Contact Type | ROUND PIN SINGLE MATING END SINGLE CONTACT GROUPING |
| Distance Between Centerlines of Mounting Facilities Parallel to Body Width | 1.156 INCHES NOMINAL IN |
| Polarization Method | KEY OR MULTIPLE KEY |
| Color | OLIVE DRAB |
| Precious Material and Location | CONTACT SURFACES SILVER |
| Distance From Mounting Shoulder to Front Face | 0.750 INCHES NOMINAL IN |
| Contact Removability | REMOVABLE SINGLE MATING END SINGLE CONTACT GROUPING |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 18 |
| Threaded Device Type | BACK SHELL AND COUPLING FACILITY |
| Thread Series Designator | UNEF |
| 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 |
|---|---|
| MS3400D20-19PX PRIMARY | Sae International Dba Sae International (USA) |
| Reference | Meaning |
|---|---|
| SAE-AS50151 | 5/9 Secondary reference U.S. Government activity |
| MS3400D20-19PX | 5/9 Secondary reference U.S. Government activity |
| MIL-DTL-5015 | 5/9 Secondary reference U.S. Government activity |
| SAE-AS50151 | 3/1 Design control — primary reference Sae International Dba Sae International |
| SAE-AS34001 | 5/9 Secondary reference Sae International Dba Sae International |
| MS3400D20-19PX | 5/9 Secondary reference U.S. Government activity |
| SAE-AS34001 | 5/9 Secondary reference U.S. Government activity |
NSN 5935-01-612-1780 is a Connector,receptacle,electrical, manufactured by Sae International Dba Sae International, classified under FSC 5935, Connectors, Electrical. Status: active.
NSN 5935-01-612-1780 has 1 manufacturer part number on file: MS3400D20-19PX (Sae International Dba Sae International).
7 possible matches (shared part number, not a government interchangeability claim): 5935-01-612-1784, 5935-01-644-2695, 5935-01-667-3933. Verify interchangeability with system specifications before substitution.
Key specifications for MS3400D20-19PX: Overall Height: 1.500 INCHES NOMINAL IN; Connector Locking Method: EXTERNALLY THREADED SHELL; Shell Type: SOLID; Body Style: STRAIGHT SHAPE, EXTERNAL COUPLING. 25 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.