The Connector,plug,electrical, cataloged under National Stock Number 5935-01-128-4533, is classified within Federal Supply Class 5935 (Connectors, Electrical) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Rockwell Collins, Inc. Dba Rc Displays Systems. Government technical data includes 26 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5935-01-128-4533 |
| Primary Part Number | PC78621-1 |
| Item Name | Connector,plug,electrical |
| FSC / FSG | 5935 / 59 — Connectors, Electrical |
| Manufacturer | Rockwell Collins, Inc. Dba Rc Displays Systems |
| Status | ACTIVE |
| Contact Maximum Current Rating in Amps | 3.0 SINGLE MATING END SINGLE CONTACT GROUPING |
| Connector Locking Method | JACKSCREW-SOCKET |
| Shell Type | SOLID |
| Body Style | STRAIGHT SHAPE W/SCREW LOCKS |
| Contact Material | COPPER ALLOY SINGLE MATING END SINGLE CONTACT GROUPING |
| Mating End Quantity | 1 |
| Precious Material | GOLD |
| Contact Position Arrangement Style | 25 SINGLE MATING END |
| Shell Surface Treatment | CADMIUM AND CHROMATE |
| Insert Material Document and Classification | MIL-M-14,TY SDGF MIL SPEC SINGLE MATERIAL RESPONSE SINGLE MATING END |
| Precious Material and Weight | 0.025 GOLD GRAINS, TROY |
| Terminal Location | BACK SINGLE MATING END SINGLE CONTACT GROUPING |
| Included Contact Quantity | 25 SINGLE MATING END SINGLE CONTACT GROUPING |
| Shell Surface Treatment Document and Classification | QQ-P-416,TYPE 2,CLASS 3 MIL SPEC ALL TREATMENT RESPONSES |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.086 INCHES IN |
| Included Contact Type | ROUND PIN SINGLE MATING END SINGLE CONTACT GROUPING |
| Polarization Method | JACKSCREW |
| Contact Surface Treatment Document and Classification | MIL-G-45204,TYPE 2,GRADE C,CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE SINGLE MATING END SINGLE CONTACT GROUPING |
| Environmental Protection | CORROSION RESISTANT AND SHOCK RESISTANT AND THERMAL SHOCK RESISTANT AND VIBRATION RESISTANT |
| Precious Material and Location | CONTACT SURFACES GOLD |
| Contact Removability | NONREMOVABLE SINGLE MATING END SINGLE CONTACT GROUPING |
| Thread Class | 2A AND 2B A |
| Thread Quantity Per Inch | 56 |
| Contact Surface Treatment | GOLD SINGLE MATING END SINGLE CONTACT GROUPING |
| Threaded Device Type | COUPLING FACILITY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
NSN 5935-01-128-4533 is a Connector,plug,electrical, manufactured by Rockwell Collins, Inc. Dba Rc Displays Systems, classified under FSC 5935, Connectors, Electrical. Status: active.
NSN 5935-01-128-4533 has 2 manufacturer part numbers on file: PC78621-1 (Rockwell Collins, Inc. Dba Rc Displays Systems), PC78621-1 (Itt Cannon Llc).
Key specifications for PC78621-1: Overall Height: 0.735 INCHES MAXIMUM IN; Contact Maximum Current Rating in Amps: 3.0 SINGLE MATING END SINGLE CONTACT GROUPING; Connector Locking Method: JACKSCREW-SOCKET; Shell Type: SOLID. 26 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.