The Connector,plug,electrical, cataloged under National Stock Number 5935-01-259-1981, is classified within Federal Supply Class 5935 (Connectors, Electrical) of the Electrical and Electronic Equipment Components group. The manufacturer of record is The Boeing Company Div Legacy Am&m. Government technical data includes 28 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5935-01-259-1981 |
| Primary Part Number | E38999/26ND18SN |
| Item Name | Connector,plug,electrical |
| FSC / FSG | 5935 / 59 — Connectors, Electrical |
| Manufacturer | The Boeing Company Div Legacy Am&m |
| Status | ACTIVE |
| Connector Locking Method | INTERNALLY THREADED COUPLING RING |
| Thread Tolerance Class | 6G EXTERNAL G |
| 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 | 32.5 MILLIMETERS MAXIMUM MM |
| Mating End Quantity | 1 |
| Precious Material | GOLD |
| Contact Position Arrangement Style | 15-18 SINGLE MATING END |
| Thread Pitch in Millimeters | 1.00 |
| Shell Surface Treatment | NICKEL |
| Insert Position in Deg | 95.0 AND 141.0 AND 208.0 AND 236.0 |
| Criticality Code Justification | FEAT |
| Precious Material and Weight | 0.018 GOLD GRAINS, TROY |
| Terminal Location | BACK SINGLE MATING END SINGLE CONTACT GROUPING |
| Included Contact Quantity | 18 SINGLE MATING END SINGLE CONTACT GROUPING |
| Shell Surface Treatment Document and Classification | QQ-N-290,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 1.000 INCHES AND 22.0 MILLIMETERS MM |
| Included Contact Type | ROUND SOCKET SINGLE MATING END SINGLE CONTACT GROUPING |
| Polarization Method | KEYWAY OR MULTIPLE KEYWAY |
| 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 | 10 |
| Contact Surface Treatment | GOLD SINGLE MATING END SINGLE CONTACT GROUPING |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| E38999/26ND18SN | Amphenol Corp Div Amphenol Aerospace Operations (USA) |
| E38999/26ND18SN PRIMARY | The Boeing Company Div Legacy Am&m (USA) |
NSN 5935-01-259-1981 is a Connector,plug,electrical, manufactured by The Boeing Company Div Legacy Am&m, classified under FSC 5935, Connectors, Electrical. Status: active.
NSN 5935-01-259-1981 has 2 manufacturer part numbers on file: E38999/26ND18SN (Amphenol Corp Div Amphenol Aerospace Operations), E38999/26ND18SN (The Boeing Company Div Legacy Am&m).
Key specifications for E38999/26ND18SN: Connector Locking Method: INTERNALLY THREADED COUPLING RING; Thread Tolerance Class: 6G EXTERNAL G; Shell Type: SOLID; Body Style: STRAIGHT SHAPE, INTERNAL COUPLING. 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.