The Connector,plug,electrical, cataloged under National Stock Number 5935-01-491-7516, is classified within Federal Supply Class 5935 (Connectors, Electrical) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Amphenol Corp Div Amphenol Aerospace Operations. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5935-01-491-7516 |
| Primary Part Number | 88-559249-20PN |
| Item Name | Connector,plug,electrical |
| FSC / FSG | 5935 / 59 — Connectors, Electrical |
| Manufacturer | Amphenol Corp Div Amphenol Aerospace Operations |
| 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 | 48.0 MILLIMETERS MAXIMUM MM |
| Mating End Quantity | 1 |
| Precious Material | GOLD |
| Contact Position Arrangement Style | 25-20 SINGLE MATING END |
| Thread Pitch in Millimeters | 1.00 |
| Shell Surface Treatment | CADMIUM |
| Insert Position in Deg | 0.0 AND 80.0 AND 142.0 AND 196.0 AND 293.0 |
| Criticality Code Justification | AGAV |
| Terminal Location | BACK SINGLE MATING END SINGLE CONTACT GROUPING |
| Included Contact Quantity | 4 SINGLE MATING END THIRD CONTACT GROUPING |
| Included Contact Quantity | 13 SINGLE MATING END FIRST CONTACT GROUPING |
| Included Contact Quantity | 10 SINGLE MATING END SECOND CONTACT GROUPING |
| Included Contact Quantity | 3 SINGLE MATING END FOURTH CONTACT GROUPING |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 37.0 MILLIMETERS AND 1.625 INCHES MM |
| Specification/standard Data | 81349-MIL-C-38999 GOVERNMENT SPECIFICATION |
| Included Contact Type | ROUND PIN SINGLE MATING END SINGLE CONTACT GROUPING |
| Polarization Method | KEY, MULTIPLE KEY GROOVE |
| Environmental Protection | MOISTURE RESISTANT AND SALT WATER RESISTANT AND VIBRATION RESISTANT |
| Precious Material and Location | CONTACT SURFACES GOLD |
| Contact Removability | REMOVABLE SINGLE MATING END SINGLE CONTACT GROUPING |
| Thread Class | 2B |
| 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 |
|---|---|
| 88-559249-20PN PRIMARY | Amphenol Corp Div Amphenol Aerospace Operations (USA) |
| 88-559249-20P PRIMARY | Amphenol Corp Div Amphenol Aerospace Operations (USA) |
| Reference | Meaning |
|---|---|
| 05A108WJ20PN | 7/2 Vendor item drawing reference Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems |
| 05A108 | D/9 Drawing number reference only Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems |
NSN 5935-01-491-7516 is a Connector,plug,electrical, manufactured by Amphenol Corp Div Amphenol Aerospace Operations, classified under FSC 5935, Connectors, Electrical. Status: active.
NSN 5935-01-491-7516 has 2 manufacturer part numbers on file: 88-559249-20PN (Amphenol Corp Div Amphenol Aerospace Operations), 88-559249-20P (Amphenol Corp Div Amphenol Aerospace Operations).
Key specifications for 88-559249-20PN: 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.