The Switch,mercury, cataloged under National Stock Number 5930-00-783-5553, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is C P Clare Corporation. Government technical data includes 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5930-00-783-5553 |
| Primary Part Number | HGSX5021 |
| Item Name | Switch,mercury |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | C P Clare Corporation |
| Status | ACTIVE |
| Nonpile-Up Contact Arrangement | 1 POLE, DOUBLE THROW, BOTH POSITIONS MAINTAINED SINGLE SWITCH UNIT |
| Terminal Type and Quantity | 3 WIRE LEAD |
| Contact Load Current Rating at Maximum Rated Voltage | 2.000 AMPERES RESISTIVE AC |
| 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 |
|---|---|
| HGSX5021 PRIMARY | C P Clare Corporation (USA) |
| Reference | Meaning |
|---|---|
| HGSX5021 | 5/9 Secondary reference Cp Clare Corp North American Sales Operations |
| 962480-1 | 5/9 Secondary reference U.S. Government activity |
NSN 5930-00-783-5553 is a Switch,mercury, manufactured by C P Clare Corporation, classified under FSC 5930, Switches. Status: active.
NSN 5930-00-783-5553 has 1 manufacturer part number on file: HGSX5021 (C P Clare Corporation).
Key specifications for HGSX5021: Nonpile-Up Contact Arrangement: 1 POLE, DOUBLE THROW, BOTH POSITIONS MAINTAINED SINGLE SWITCH UNIT; Terminal Type and Quantity: 3 WIRE LEAD; Contact Load Current Rating at Maximum Rated Voltage: 2.000 AMPERES RESISTIVE AC. 3 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.