The Protector,lightning, cataloged under National Stock Number 5920-01-185-0258, 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 Lightning Diversion Systems, Llc Dba Lightning Diversion Systems. The record lists 4 manufacturer part numbers 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5920-01-185-0258 |
| Primary Part Number | 4D61201-101A |
| Item Name | Protector,lightning |
| FSC / FSG | 5920 / 59 — Fuses, Arrestors, Absorbers, and Protectors |
| Manufacturer | Lightning Diversion Systems, Llc Dba Lightning Diversion Systems |
| Status | ACTIVE |
| 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 |
|---|---|
| 4D61201-101A PRIMARY | Lightning Diversion Systems, Llc Dba Lightning Diversion Systems (USA) |
| 4D61201-101A | General Dynamics Mission Systems, Inc. (USA) |
| LDS10-01-03-101A PRIMARY | Lightning Diversion Systems, Llc Dba Lightning Diversion Systems (USA) |
| 4D61201-101A PRIMARY | Rockwell Intl Corp Collins General Aviation Costa Mesa Opns (USA) |
| Reference | Meaning |
|---|---|
| 4D61201-101 | 5/9 Secondary reference U.S. Government activity |
| 4D61201-101A | 1/2 Source control — Government-approved source U.S. Government activity |
| 4D61201-101A | 5/9 Secondary reference Brunswick Corp Defense Div |
NSN 5920-01-185-0258 is a Protector,lightning, manufactured by Lightning Diversion Systems, Llc Dba Lightning Diversion Systems, classified under FSC 5920, Fuses, Arrestors, Absorbers, and Protectors. Status: active.
NSN 5920-01-185-0258 has 4 manufacturer part numbers on file: 4D61201-101A (Lightning Diversion Systems, Llc Dba Lightning Diversion Systems), 4D61201-101A (General Dynamics Mission Systems, Inc.), LDS10-01-03-101A (Lightning Diversion Systems, Llc Dba Lightning Diversion Systems), 4D61201-101A (Rockwell Intl Corp Collins General Aviation Costa Mesa Opns).
Key specifications for 4D61201-101A: Special Features: LENGTH 121.00 INCHES IN; Part Name Assigned by Controlling Agency: DIVERTER STRIP, SEGMENTED. 0 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.