The Connector,receptacle,electrical, cataloged under National Stock Number 5935-01-355-5400, is classified within Federal Supply Class 5935 (Connectors, Electrical) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Positronic Industries Inc Div Amphenol Military Aerospace Operations. Government technical data includes 27 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5935-01-355-5400 |
| Primary Part Number | DD78M3S500C-538.5 |
| Item Name | Connector,receptacle,electrical |
| FSC / FSG | 5935 / 59 — Connectors, Electrical |
| Manufacturer | Positronic Industries Inc Div Amphenol Military Aerospace Operations |
| Status | ACTIVE |
| Contact Maximum Current Rating in Amps | 5.0 SINGLE MATING END SINGLE CONTACT GROUPING |
| Connector Locking Method | FRICTION |
| Shell Type | SOLID |
| Body Style | STRAIGHT SHAPE |
| Terminal Type | SOLDER WELL SINGLE MATING END SINGLE CONTACT GROUPING |
| Contact Material | COPPER ALLOY SINGLE MATING END SINGLE CONTACT GROUPING |
| Mating End Quantity | 1 |
| Precious Material | GOLD |
| Contact Position Arrangement Style | 78 SINGLE MATING END |
| Shell Surface Treatment | CHROMATE AND CADMIUM |
| Unthreaded Mounting Hole Diameter | 0.112 INCHES NOMINAL IN |
| Insert Material Document and Classification | MIL-M-14,TY SDG-F MIL SPEC SINGLE MATERIAL RESPONSE SINGLE MATING END |
| Precious Material and Weight | 0.078 GOLD GRAINS, TROY |
| Shell Material Document and Classification | ASTM-A-620 ASSN STD SINGLE MATERIAL RESPONSE |
| Terminal Location | BACK SINGLE MATING END SINGLE CONTACT GROUPING |
| Distance Between Mounting Facility Centers | 2.401 INCHES MINIMUM AND 2.411 INCHES MAXIMUM IN |
| Included Contact Quantity | 78 SINGLE MATING END SINGLE CONTACT GROUPING |
| Shell Surface Treatment Document and Classification | QQ-P-416,TY 2,CL 2 FED SPEC ALL TREATMENT RESPONSES |
| Included Contact Type | ROUND PIN SINGLE MATING END SINGLE CONTACT GROUPING |
| Polarization Method | MATING END |
| Contact Surface Treatment Document and Classification | MIL-G-45204 MIL SPEC 1ST TREATMENT RESPONSE SINGLE MATING END SINGLE CONTACT GROUPING |
| Environmental Protection | COLD RESISTANT AND HEAT RESISTANT AND SALT SPRAY PROOF |
| Precious Material and Location | CONTACT SURFACES GOLD |
| Contact Removability | NONREMOVABLE SINGLE MATING END SINGLE CONTACT GROUPING |
| Contact Surface Treatment | GOLD AND NICKEL SINGLE MATING END SINGLE CONTACT GROUPING |
| Insert Material | PLASTIC DIALLYL PHTHALATE SINGLE MATING END |
| Shell Material | STEEL |
| 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 |
|---|---|
| DD78M3S500C-538.5 | Positronic Industries Inc Div Amphenol Military Aerospace Operations (USA) |
| Reference | Meaning |
|---|---|
| ES6991D78E02P | 3/9 Design control — primary reference Drs Sustainment Systems, Inc. |
| ES6991D78E02P | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 5935-01-355-5400 is a Connector,receptacle,electrical, manufactured by Positronic Industries Inc Div Amphenol Military Aerospace Operations, classified under FSC 5935, Connectors, Electrical. Status: active.
NSN 5935-01-355-5400 has 1 manufacturer part number on file: DD78M3S500C-538.5 (Positronic Industries Inc Div Amphenol Military Aerospace Operations).
Key specifications for DD78M3S500C-538.5: Overall Height: 0.821 INCHES NOMINAL IN; Contact Maximum Current Rating in Amps: 5.0 SINGLE MATING END SINGLE CONTACT GROUPING; Connector Locking Method: FRICTION; Shell Type: SOLID. 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.