The Fuseholder,extractor Post, cataloged under National Stock Number 5920-01-509-9929, 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 Cooper Bussmann, Llc Dba Cooper Industries. Government technical data includes 9 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5920-01-509-9929 |
| Primary Part Number | HTB-66I-R |
| Item Name | Fuseholder,extractor Post |
| FSC / FSG | 5920 / 59 — Fuses, Arrestors, Absorbers, and Protectors |
| Manufacturer | Cooper Bussmann, Llc Dba Cooper Industries |
| Status | ACTIVE |
| Accommodated Fuse Length | 1.250 INCHES NOMINAL IN |
| Body Style | PANEL MOUNTED TYPE |
| Length From Front Protrusion to Mounting Surface | 0.670 INCHES NOMINAL IN |
| Voltage in Volts | 250.0 |
| Panel Thickness | 0.300 INCHES NOMINAL IN |
| Fuse Terminal Type Accommodated | FERRULE |
| Current Carrying Rating in Amps | 20.0 |
| Terminal Type and Quantity | 1 BLADE W/MOUNTING HOLE |
| Fuse Accommodation Quantity | 1 |
| 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 |
|---|---|
| HTB-66I-R PRIMARY | Cooper Bussmann, Llc Dba Cooper Industries (USA) |
| 46F3273 | Newark Electronics Corporation Dba Newark (USA) |
| Reference | Meaning |
|---|---|
| HTB-661 | 5/9 Secondary reference Cooper Bussmann, Llc Dba Cooper Industries |
| HTB-66I | 5/9 Secondary reference Cooper Bussmann, Llc Dba Cooper Industries |
NSN 5920-01-509-9929 is a Fuseholder,extractor Post, manufactured by Cooper Bussmann, Llc Dba Cooper Industries, classified under FSC 5920, Fuses, Arrestors, Absorbers, and Protectors. Status: active.
NSN 5920-01-509-9929 has 2 manufacturer part numbers on file: HTB-66I-R (Cooper Bussmann, Llc Dba Cooper Industries), 46F3273 (Newark Electronics Corporation Dba Newark).
Key specifications for HTB-66I-R: Accommodated Fuse Length: 1.250 INCHES NOMINAL IN; Body Style: PANEL MOUNTED TYPE; Length From Front Protrusion to Mounting Surface: 0.670 INCHES NOMINAL IN; Voltage in Volts: 250.0. 9 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.