The Ring,interrupt Circ, cataloged under National Stock Number 5925-01-317-4993, is classified within Federal Supply Class 5925 (Circuit Breakers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Paco Plastics & Engineering, Inc. Dba Paco Plastics & Engineering Inc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Item Name | Ring,interrupt Circ |
| FSC / FSG | 5925 — Circuit Breakers (FSG 59) |
| Manufacturers | Leonardo Uk Ltd (CAGE K0668); Paco Plastics & Engineering, Inc. Dba Paco Plastics & Engineering Inc (CAGE 27821) |
| Parameter | Value |
|---|---|
| NSN | 5925-01-317-4993 |
| Primary Part Number | S-4933959-501 RED |
| Item Name | Ring,interrupt Circ |
| FSC / FSG | 5925 / 59 — Circuit Breakers |
| Manufacturer | Paco Plastics & Engineering, Inc. Dba Paco Plastics & Engineering Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Part Number | Manufacturer |
|---|---|
| S-4933959-501 RED | Leonardo Uk Ltd (GBR) |
| S-4933959-501 RED PRIMARY | Paco Plastics & Engineering, Inc. Dba Paco Plastics & Engineering Inc (USA) |
| Reference | Meaning |
|---|---|
| 5925PL1155538 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 5925-01-317-4993 is a Ring,interrupt Circ, manufactured by Paco Plastics & Engineering, Inc. Dba Paco Plastics & Engineering Inc, classified under FSC 5925, Circuit Breakers. Status: active.
NSN 5925-01-317-4993 has 2 manufacturer part numbers on file: S-4933959-501 RED (Leonardo Uk Ltd), S-4933959-501 RED (Paco Plastics & Engineering, Inc. Dba Paco Plastics & Engineering Inc).
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.