The Connector,receptacle,electrical, cataloged under National Stock Number 5935-01-681-8561, 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 26 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5935-01-681-8561 |
| Primary Part Number | MS3452L40-9S |
| 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 |
| Thread Tolerance Class | 2A EXTERNAL A |
| Shell Type | SOLID |
| Body Style | STRAIGHT SHAPE, EXTERNAL COUPLING |
| Terminal Type | CRIMP SINGLE MATING END SINGLE CONTACT GROUPING |
| Mating End Quantity | 1 |
| Precious Material | GOLD |
| Contact Position Arrangement Style | 20-19 SINGLE MATING END |
| Shell Surface Treatment | NICKEL |
| Insert Position in Deg | 0.0 |
| Terminal Location | BACK SINGLE MATING END SINGLE CONTACT GROUPING |
| Center to Center Distance Between Mounting Facilities Parallel to Height | 2.188 INCHES NOMINAL IN |
| Included Contact Quantity | 24 SINGLE MATING END SINGLE CONTACT GROUPING |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 2.50 INCHES IN |
| Operating Temp Rating | -55.0 CELSIUS MINIMUM AND 200.0 CELSIUS MAXIMUM DEGC |
| Included Contact Type | ROUND SOCKET SINGLE MATING END SINGLE CONTACT GROUPING |
| Distance Between Centerlines of Mounting Facilities Parallel to Body Width | 2.188 INCHES NOMINAL IN |
| Polarization Method | KEYWAY OR MULTIPLE KEYWAY |
| Precious Material and Location | CONTACT SURFACE GOLD |
| Distance From Mounting Shoulder to Front Face | 0.875 INCHES NOMINAL IN |
| Contact Removability | REMOVABLE SINGLE MATING END SINGLE CONTACT GROUPING |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 16 |
| Threaded Device Type | COUPLING FACILITY |
| Thread Series Designator | UN |
| 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 |
|---|---|
| MS3452L40-9S PRIMARY | Sae International Dba Sae International (USA) |
| Reference | Meaning |
|---|---|
| MS3452L40-9S | 5/9 Secondary reference U.S. Government activity |
| AS50151 | 5/9 Secondary reference Sae International Dba Sae International |
| SAE-AS50151 | 3/1 Design control — primary reference Sae International Dba Sae International |
NSN 5935-01-681-8561 is a Connector,receptacle,electrical, manufactured by Sae International Dba Sae International, classified under FSC 5935, Connectors, Electrical. Status: active.
NSN 5935-01-681-8561 has 1 manufacturer part number on file: MS3452L40-9S (Sae International Dba Sae International).
Key specifications for MS3452L40-9S: Overall Height: 2.750 INCHES NOMINAL IN; Connector Locking Method: EXTERNALLY THREADED SHELL; Thread Tolerance Class: 2A EXTERNAL A; Shell Type: SOLID. 26 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.