The Fuseholder,block, cataloged under National Stock Number 5920-00-421-7546, 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 Blue Wave Ultrasonics Inc. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5920-00-421-7546 |
| Primary Part Number | 083388-6 |
| Item Name | Fuseholder,block |
| FSC / FSG | 5920 / 59 — Fuses, Arrestors, Absorbers, and Protectors |
| Manufacturer | Blue Wave Ultrasonics Inc |
| Status | ACTIVE |
| Accommodated Fuse Length | 5.031 INCHES NOMINAL IN |
| Mounting Hole Quantity | 2 |
| Body Style | CLIP CONNECTED TYPE |
| Internal Circuit Configuration and Pole Quantity | 3 POLE, MAINLINE, FUSED |
| Mounting Hole Style | DIAGONAL TO THE LEFT |
| Center to Center Distance Between Outside Mounting Holes Along Length | 1.880 INCHES NOMINAL IN |
| Voltage in Volts | 250.0 |
| Mounting Hole Diameter | 0.230 INCHES NOMINAL IN |
| Accommodated Ferrule Diameter | 0.812 INCHES NOMINAL IN |
| Fuse Terminal Type Accommodated | FERRULE |
| Surface Treatment | SILVER CONTACT |
| Current Carrying Rating in Amps | 60.0 |
| Center to Center Distance Between Outside Mounting Holes Along Width | 2.250 INCHES NOMINAL IN |
| Base Thickness | 0.500 INCHES NOMINAL IN |
| Material | COPPER CONTACT |
| Terminal Type and Quantity | 6 SCREW |
| Fuse Accommodation Quantity | 3 |
| 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 |
|---|---|
| 083388-6 | Blue Wave Ultrasonics Inc (USA) |
| Reference | Meaning |
|---|---|
| 084672-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5920-00-421-7546 is a Fuseholder,block, manufactured by Blue Wave Ultrasonics Inc, classified under FSC 5920, Fuses, Arrestors, Absorbers, and Protectors. Status: active.
NSN 5920-00-421-7546 has 1 manufacturer part number on file: 083388-6 (Blue Wave Ultrasonics Inc).
Key specifications for 083388-6: Accommodated Fuse Length: 5.031 INCHES NOMINAL IN; Mounting Hole Quantity: 2; Overall Height: 1.750 INCHES NOMINAL IN; Body Style: CLIP CONNECTED TYPE. 17 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.