The Connector,plug,electrical, cataloged under National Stock Number 5935-01-478-2452, 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 27 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5935-01-478-2452 |
| Primary Part Number | 88-559248-21L |
| 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 | 33.16 MILLIMETERS MAXIMUM MM |
| Mating End Quantity | 1 |
| Precious Material | GOLD |
| Contact Position Arrangement Style | 23-21 SINGLE MATING END |
| Shell Surface Treatment | CADMIUM |
| Insert Position in Deg | 0.0 AND 66.0 AND 140.0 AND 200.0 AND 257.0 |
| Criticality Code Justification | FEAT |
| Terminal Location | BACK SINGLE MATING END SINGLE CONTACT GROUPING |
| Included Contact Quantity | 21 SINGLE MATING END SINGLE CONTACT GROUPING |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 34.0 MILLIMETERS AND 1.500 INCHES MM |
| Specification/standard Data | 81349-MIL-C-38999 GOVERNMENT SPECIFICATION |
| Included Contact Type | ROUND SOCKET SINGLE MATING END SINGLE CONTACT GROUPING |
| Polarization Method | KEY, MULTIPLE KEY GROOVE |
| Environmental Protection | MOISTURE PROOF AND SALT WATER RESISTANT AND VIBRATION PROOF AND CORROSION RESISTANT AND DUST RESISTANT AND FUEL RESISTANT AND FUNGUS RESISTANT AND HUMIDITY RESISTANT AND OIL RESISTANT AND SHOCK RESISTANT AND THERMAL SHOCK RESISTANT AND VIBRATION RESISTANT |
| Precious Material and Location | CONTACT SURFACES GOLD |
| Contact Removability | REMOVABLE SINGLE MATING END SINGLE CONTACT GROUPING |
| Thread Class | 2B |
| Test Data Document | 81349-D38999 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). AND 76823-05A108 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING) |
| Contact Surface Treatment | GOLD SINGLE MATING END SINGLE CONTACT GROUPING |
| Threaded Device Type | BACK SHELL AND COUPLING FACILITY |
| 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 |
|---|---|
| 05A108WH21SC | Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems (USA) |
| 88-559248-21L PRIMARY | Amphenol Corp Div Amphenol Aerospace Operations (USA) |
| Reference | Meaning |
|---|---|
| 05A108 | D/9 Drawing number reference only Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems |
NSN 5935-01-478-2452 is a Connector,plug,electrical, manufactured by Amphenol Corp Div Amphenol Aerospace Operations, classified under FSC 5935, Connectors, Electrical. Status: active.
NSN 5935-01-478-2452 has 2 manufacturer part numbers on file: 05A108WH21SC (Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems), 88-559248-21L (Amphenol Corp Div Amphenol Aerospace Operations).
Key specifications for 88-559248-21L: Connector Locking Method: INTERNALLY THREADED COUPLING RING; Thread Tolerance Class: 6G EXTERNAL G; 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.