The Connector,plug,electrical, cataloged under National Stock Number 5935-01-726-2354, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5935-01-726-2354 |
| Primary Part Number | MS3406L20-4S |
| 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 AND LOCK TAB |
| Thread Tolerance Class | 2A EXTERNAL AND 2B INTERNAL A |
| Shell Type | SOLID |
| Body Style | STRAIGHT SHAPE, INTERNAL COUPLING |
| Terminal Type | CRIMP SINGLE MATING END SINGLE CONTACT GROUPING |
| Overall Diameter | 1.469 INCHES MAXIMUM IN |
| Mating End Quantity | 1 |
| Precious Material | SILVER |
| Contact Position Arrangement Style | 20-4 SINGLE MATING END |
| Shell Surface Treatment | NICKEL ALLOY |
| Insert Position in Deg | 0.0 |
| Insert Material Document and Classification | MIL-PRF-23586 MIL SPEC 1ST MATERIAL RESPONSE AND SAE-AS50151 NATIONAL STD/SPEC 2ND MATERIAL RESPONSE SINGLE MATING END |
| Shell Material Document and Classification | SAE-AS50151 NATIONAL STD/SPEC 1ST MATERIAL RESPONSE AND SAE-AS34061 NATIONAL STD/SPEC 2ND MATERIAL RESPONSE AND ASTM B85, COMPOSITION NUMBER GPASC84B ASSN STD 3RD MATERIAL RESPONSE |
| Terminal Location | BACK SINGLE MATING END SINGLE CONTACT GROUPING |
| Included Contact Quantity | 4 SINGLE MATING END SINGLE CONTACT GROUPING |
| Shell Surface Treatment Document and Classification | SAE-AS34061 NATIONAL STD/SPEC 1ST TREATMENT RESPONSE AND SAE-AS50151 NATIONAL STD/SPEC 2ND TREATMENT RESPONSE AND ASTM B733, CLASS 3 OR 4 ASSN STD 3RD TREATMENT RESPONSE |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 1.1875 INCHES AND 1.250 INCHES IN |
| Specification/standard Data | 81349-MIL-STD-1651 GOVERNMENT SPECIFICATION AND 0U583-SAE-AS39029 INTERNATIONAL STD/SPEC AND 0U583-SAE-AS50151 INTERNATIONAL STD/SPEC AND 0U583-SAE-AS34061 INTERNATIONAL STD/SPEC |
| Operating Temp Rating | 200.0 CELSIUS MAXIMUM DEGC |
| Included Contact Type | ROUND SOCKET SINGLE MATING END SINGLE CONTACT GROUPING |
| Polarization Method | KEYWAY OR MULTIPLE KEYWAY |
| Contact Surface Treatment Document and Classification | SAE-AS50151 NATIONAL STD/SPEC 2ND TREATMENT RESPONSE AND SAE-AS39029 NATIONAL STD/SPEC 1ST TREATMENT RESPONSE AND MIL-STD-1561 MIL STD 3RD TREATMENT RESPONSE SINGLE MATING END SINGLE CONTACT GROUPING |
| Precious Material and Location | CONTACT SURFACE SILVER |
| Contact Removability | REMOVABLE SINGLE MATING END SINGLE CONTACT GROUPING |
| Thread Class | 2A AND 2B A |
| Test Data Document | 0U583-AS50151 STANDARD (INCLUDES INDUSTRY OR ASSOCIATION STANDARDS, INDIVIDUAL MANUFACTUREER STANDARDS, ETC.). |
| 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 |
|---|---|
| MS3406L20-4S PRIMARY | Sae International Dba Sae International (USA) |
| Reference | Meaning |
|---|---|
| MS3406L20-4S | 5/9 Secondary reference U.S. Government activity |
| SAE-AS34061 | 3/1 Design control — primary reference Sae International Dba Sae International |
| SAE-AS50151 | 3/1 Design control — primary reference Sae International Dba Sae International |
NSN 5935-01-726-2354 is a Connector,plug,electrical, manufactured by Sae International Dba Sae International, classified under FSC 5935, Connectors, Electrical. Status: active.
NSN 5935-01-726-2354 has 1 manufacturer part number on file: MS3406L20-4S (Sae International Dba Sae International).
Key specifications for MS3406L20-4S: Connector Locking Method: INTERNALLY THREADED COUPLING RING AND LOCK TAB; Thread Tolerance Class: 2A EXTERNAL AND 2B INTERNAL A; Shell Type: SOLID; Body Style: STRAIGHT SHAPE, INTERNAL COUPLING. 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.