The Fuseholder,extractor Post, cataloged under National Stock Number 5920-01-577-5345, 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 Proficient Heat, Inc. Dba Espar of Michigan. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5920-01-577-5345 |
| Primary Part Number | 20-50-0099 |
| Item Name | Fuseholder,extractor Post |
| FSC / FSG | 5920 / 59 — Fuses, Arrestors, Absorbers, and Protectors |
| Manufacturer | Proficient Heat, Inc. Dba Espar of Michigan |
| 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 |
|---|---|
| 218558 | Cadillac Gage Textron Inc. (USA) |
| 20-50-0099 PRIMARY | Proficient Heat, Inc. Dba Espar of Michigan (USA) |
NSN 5920-01-577-5345 is a Fuseholder,extractor Post, manufactured by Proficient Heat, Inc. Dba Espar of Michigan, classified under FSC 5920, Fuses, Arrestors, Absorbers, and Protectors. Status: active.
NSN 5920-01-577-5345 has 2 manufacturer part numbers on file: 218558 (Cadillac Gage Textron Inc.), 20-50-0099 (Proficient Heat, Inc. Dba Espar of Michigan).
Key specifications for 20-50-0099: End Item Identification: 2320-01-437-6957 ASV. 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.