The Socket,plug-in Electronic Compon, cataloged under National Stock Number 5935-00-256-5677, 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 15 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5935-00-256-5677 |
| Primary Part Number | MGR121 |
| Item Name | Socket,plug-in Electronic Compon |
| FSC / FSG | 5935 / 59 — Connectors, Electrical |
| Manufacturer | Amphenol Corp Div Amphenol Aerospace Operations |
| Status | ACTIVE |
| Projection Length Above Mounting Surface | 0.221 INCHES NOMINAL IN |
| Body Diameter | 0.438 INCHES NOMINAL IN |
| Body Style | PCB SURFACE MOUNT |
| Overall Diameter | 0.438 INCHES NOMINAL IN |
| Accommodated Contact Quantity | 12 |
| Precious Material | GOLD |
| Mounting Method | TERMINAL |
| Contact Position Arrangement Style | CIRCULAR |
| Printed Circuit Board Hole Arrangement Style | TWELVE HOLE DIMENSION "A" 0.230 INCH IN |
| Surface Treatment | GOLD AND NICKEL CONTACT |
| Mounting Type for Which Designed | PRINTED CIRCUIT |
| Precious Material and Location | CONTACT SURFACE GOLD |
| Material | PLASTIC BODY |
| Material | COPPER ALLOY CONTACT |
| Terminal Type and Quantity | 12 PRINTED CIRCUIT |
| 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 |
|---|---|
| MGR121 PRIMARY | Amphenol Corp Div Amphenol Aerospace Operations (USA) |
| Reference | Meaning |
|---|---|
| 352-9627-020 | 5/2 Secondary reference U.S. Government activity |
| MGR121 | 3/9 Design control — primary reference Amphenol Corp Spectra-Strip/itd |
NSN 5935-00-256-5677 is a Socket,plug-in Electronic Compon, manufactured by Amphenol Corp Div Amphenol Aerospace Operations, classified under FSC 5935, Connectors, Electrical. Status: active.
NSN 5935-00-256-5677 has 1 manufacturer part number on file: MGR121 (Amphenol Corp Div Amphenol Aerospace Operations).
Key specifications for MGR121: Projection Length Above Mounting Surface: 0.221 INCHES NOMINAL IN; Body Diameter: 0.438 INCHES NOMINAL IN; Body Style: PCB SURFACE MOUNT; Overall Diameter: 0.438 INCHES NOMINAL IN. 15 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.