The Corona Ball, cataloged under National Stock Number 5920-01-304-6907, is classified within Federal Supply Class 5920 (Fuses, Arrestors, Absorbers, and Protectors) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 5 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5920-01-304-6907 |
| Primary Part Number | 2911977 |
| Item Name | Corona Ball |
| FSC / FSG | 5920 / 59 — Fuses, Arrestors, Absorbers, and Protectors |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Overall Diameter | 1.312 INCHES NOMINAL IN |
| Mounting Method | UNTHREADED HOLE(S) |
| Basic Shape Style | SPHERICAL |
| Surface Treatment | CHROMATE |
| Material | ALUMINUM ALLOY |
| 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 |
|---|---|
| 2911977 | Bright Lights Usa, Inc Dba Blusa Defense Manufacturing (USA) |
| 2911977 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| 2911977 | 5/9 Secondary reference Raytheon Service Co Logistics Support Center |
NSN 5920-01-304-6907 is a Corona Ball, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5920, Fuses, Arrestors, Absorbers, and Protectors. Status: active.
NSN 5920-01-304-6907 has 2 manufacturer part numbers on file: 2911977 (Bright Lights Usa, Inc Dba Blusa Defense Manufacturing), 2911977 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for 2911977: Overall Diameter: 1.312 INCHES NOMINAL IN; Mounting Method: UNTHREADED HOLE(S); Basic Shape Style: SPHERICAL; Surface Treatment: CHROMATE. 5 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.