The Connector,plug,electrical, cataloged under National Stock Number 5935-00-407-2181, is classified within Federal Supply Class 5935 (Connectors, Electrical) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Aptiv Services 3 (us), Llc. Government technical data includes 28 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5935-00-407-2181 |
| Primary Part Number | CD1-525 |
| Item Name | Connector,plug,electrical |
| FSC / FSG | 5935 / 59 — Connectors, Electrical |
| Manufacturer | Aptiv Services 3 (us), Llc |
| Status | ACTIVE |
| Connector Locking Method | SCREW |
| Shell Type | SOLID |
| Body Style | STRAIGHT SHAPE, INTERNAL COUPLING |
| Terminal Type | CRIMP SINGLE MATING END SINGLE CONTACT GROUPING |
| Contact Material | COPPER ALLOY SINGLE MATING END SINGLE CONTACT GROUPING |
| Overall Diameter | 1.317 INCHES NOMINAL IN |
| Mating End Quantity | 1 |
| Precious Material | GOLD |
| Contact Position Arrangement Style | 102 SINGLE MATING END |
| Shell Surface Treatment | PASSIVATE |
| Insert Material Document and Classification | MIL-M-14,TYPE SDG-F MIL SPEC SINGLE MATERIAL RESPONSE SINGLE MATING END |
| Precious Material and Weight | 0.102 GOLD GRAINS, TROY |
| Terminal Location | BACK SINGLE MATING END SINGLE CONTACT GROUPING |
| Included Contact Quantity | 102 SINGLE MATING END SINGLE CONTACT GROUPING |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.138 INCHES IN |
| Included Contact Type | ROUND SOCKET SINGLE MATING END SINGLE CONTACT GROUPING |
| Polarization Method | POLARIZATION BOSS |
| Contact Surface Treatment Document and Classification | MIL-G-45204 MIL SPEC SINGLE TREATMENT RESPONSE SINGLE MATING END SINGLE CONTACT GROUPING |
| Precious Material and Location | CONTACT SURFACES GOLD |
| Contact Removability | REMOVABLE SINGLE MATING END SINGLE CONTACT GROUPING |
| Thread Class | 2B |
| Thread Quantity Per Inch | 32 |
| Contact Surface Treatment | GOLD SINGLE MATING END SINGLE CONTACT GROUPING |
| Threaded Device Type | COUPLING FACILITY |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Insert Material | PLASTIC DIALLYL PHTHALATE SINGLE MATING END |
| Shell Material | STEEL CORROSION RESISTING |
| 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 |
|---|---|
| CD1-525 | Aptiv Services 3 (us), Llc (USA) |
| Reference | Meaning |
|---|---|
| BB1E18C102SW000 | 3/9 Design control — primary reference Stellant Systems Inc |
NSN 5935-00-407-2181 is a Connector,plug,electrical, manufactured by Aptiv Services 3 (us), Llc, classified under FSC 5935, Connectors, Electrical. Status: active.
NSN 5935-00-407-2181 has 1 manufacturer part number on file: CD1-525 (Aptiv Services 3 (us), Llc).
1 possible match (shared part number, not a government interchangeability claim): 5935-00-432-6956. Verify interchangeability with system specifications before substitution.
Key specifications for CD1-525: Connector Locking Method: SCREW; Shell Type: SOLID; Body Style: STRAIGHT SHAPE, INTERNAL COUPLING; Terminal Type: CRIMP SINGLE MATING END SINGLE CONTACT GROUPING. 28 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.