The Fuseholder,block, cataloged under National Stock Number 5920-00-577-8674, is classified within Federal Supply Class 5920 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Cooper Bussmann, Llc Dba Cooper Industries. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5920-00-577-8674 |
| Primary Part Number | 4439 |
| Item Name | Fuseholder,block |
| FSC / FSG | 5920 / 59 — No Item Name Available |
| Manufacturer | Cooper Bussmann, Llc Dba Cooper Industries |
| Status | CANCELLED |
| Mounting Hole Quantity | 3 |
| Surface Treatment | SILVER CONTACT |
| Fuse Accommodation Quantity | 6 |
| Material | PORCELAIN BODY |
| Material | COPPER ALLOY CONTACT |
| Terminal Type and Quantity | 6 SCREW |
| Center to Center Distance Between Outside Mounting Holes Along Width | 1.710 INCHES NOMINAL IN |
| Mounting Hole Diameter | 0.216 INCHES NOMINAL IN |
| Mounting Hole Style | IN-LINE ALONG THE WIDTH |
| Internal Circuit Configuration and Pole Quantity | 3 POLE, SINGLE BRANCH, SOLID NEUTRAL |
| Fuse Terminal Type Accommodated | FERRULE |
| Base Thickness | 0.500 INCHES NOMINAL IN |
| Body Style | SIDE BARRIER TYPE |
| Current Carrying Rating in Amps | 30.0 |
| Accommodated Ferrule Diameter | 0.406 INCHES NOMINAL IN |
| Voltage in Volts | 250.0 |
| Accommodated Fuse Length | 1.500 INCHES NOMINAL IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
NSN 5920-00-577-8674 is a Fuseholder,block, manufactured by Cooper Bussmann, Llc Dba Cooper Industries, classified under FSC 5920 (No Item Name Available). Status: cancelled.
NSN 5920-00-577-8674 has 2 cross-referenced part numbers: 287192 (Essex Industries, Inc. Dba Essex Industries), 4439 (Cooper Bussmann, Llc Dba Cooper Industries).
There are 12 known substitutes for 5920-00-577-8674: 5999-00-081-6082, 5120-00-116-3134, 3020-00-265-7747 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 4439: Mounting Hole Quantity: 3; Surface Treatment: SILVER CONTACT; Fuse Accommodation Quantity: 6; Material: PORCELAIN BODY. 20 total characteristics are documented in the Federal Logistics Information System.
NSN 5920-00-577-8674 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.