The Switch,electronic, cataloged under National Stock Number 5930-01-475-2466, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Allegro Microsystems Inc. Government technical data includes 11 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-01-475-2466 |
| Primary Part Number | A3121LU |
| Item Name | Switch,electronic |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Allegro Microsystems Inc |
| Status | ACTIVE |
| Circuit Construction Type | SOLID STATE |
| Average Life Rating | 10.0 |
| Inclosure Type | OPEN |
| Criticality Code Justification | FEAT |
| Connection Type | PIN BOTTOM |
| Connection Contact Type and Quantity | 3 PIN EXTERNAL |
| Basic Shape Style | IRREGULAR |
| Average Life Measurement | YEARS |
| Operating Temp Range | -40.0 TO 125.0 CELSIUS DEGC |
| Nuclear Hardness Critical Feature | HARDENED |
| Installation Design | PANEL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | M |
| Part Number | Manufacturer |
|---|---|
| A3121LU PRIMARY | Allegro Microsystems Inc (USA) |
| Reference | Meaning |
|---|---|
| 13307035 | D/9 Drawing number reference only Us Army Aviation and Missile Command |
| 13307035-002 | 7/2 Vendor item drawing reference Us Army Aviation and Missile Command |
| 1677035-2 | 5/9 Secondary reference Us Army Aviation and Missile Command |
NSN 5930-01-475-2466 is a Switch,electronic, manufactured by Allegro Microsystems Inc, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-475-2466 has 1 manufacturer part number on file: A3121LU (Allegro Microsystems Inc).
Key specifications for A3121LU: Circuit Construction Type: SOLID STATE; Overall Height: 1.540 MILLIMETERS NOMINAL MM; Average Life Rating: 10.0; Inclosure Type: OPEN. 11 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.
NSN 5930-01-475-2466 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.