The Fuseholder,block, cataloged under National Stock Number 5920-00-686-0374, 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 Littelfuse, Inc.. Government technical data includes 22 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. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5920-00-686-0374 |
| Primary Part Number | 456010 |
| Item Name | Fuseholder,block |
| FSC / FSG | 5920 / 59 — Fuses, Arrestors, Absorbers, and Protectors |
| Manufacturer | Littelfuse, Inc. |
| Status | ACTIVE |
| Accommodated Fuse Length | 1.250 INCHES NOMINAL IN |
| Center to Center Distance Between Inside Mounting Holes Along Length | 0.906 INCHES NOMINAL IN |
| Mounting Hole Quantity | 10 |
| Body Style | CLIP CONNECTED TYPE |
| Internal Circuit Configuration and Pole Quantity | 1 POLE, MAINLINE, FUSED |
| Mounting Hole Style | 5 HOLE MOUNTING-REGULAR SPACED |
| Precious Material | SILVER |
| Center to Center Distance Between Outside Mounting Holes Along Length | 0.281 INCHES NOMINAL IN |
| Voltage in Volts | 250.0 |
| Mounting Hole Diameter | 0.136 INCHES NOMINAL IN |
| Accommodated Ferrule Diameter | 0.250 INCHES NOMINAL IN |
| Fuse Terminal Type Accommodated | FERRULE |
| Surface Treatment | SILVER CONTACT |
| Current Carrying Rating in Amps | 3.0 |
| Precious Material and Location | CONTACT SURFACES SILVER |
| Center to Center Distance Between Outside Mounting Holes Along Width | 0.187 INCHES NOMINAL IN |
| Base Thickness | 0.219 INCHES NOMINAL IN |
| Material | PLASTIC BODY |
| Material | COPPER ALLOY CONTACT |
| Material | COPPER ALLOY TERMINAL |
| Terminal Type and Quantity | 20 SCREW |
| Fuse Accommodation Quantity | 10 |
| 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 |
|---|---|
| 456010 PRIMARY | Littelfuse, Inc. (USA) |
NSN 5920-00-686-0374 is a Fuseholder,block, manufactured by Littelfuse, Inc., classified under FSC 5920, Fuses, Arrestors, Absorbers, and Protectors. Status: active.
NSN 5920-00-686-0374 has 1 manufacturer part number on file: 456010 (Littelfuse, Inc.).
2 possible matches (shared part number, not a government interchangeability claim): 6515-01-165-6749, 8415-01-651-9110. Verify interchangeability with system specifications before substitution.
Key specifications for 456010: Accommodated Fuse Length: 1.250 INCHES NOMINAL IN; Center to Center Distance Between Inside Mounting Holes Along Length: 0.906 INCHES NOMINAL IN; Mounting Hole Quantity: 10; Overall Height: 0.844 INCHES NOMINAL IN. 22 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.