The Fuseholder,block, cataloged under National Stock Number 5920-00-137-4991, 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 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5920-00-137-4991 |
| Primary Part Number | 2874270-1 |
| Item Name | Fuseholder,block |
| FSC / FSG | 5920 / 59 — No Item Name Available |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Material | COPPER ALLOY CONTACT |
| Voltage in Volts | 250.0 |
| Material | PLASTIC PHENOLIC BODY |
| Current Carrying Rating in Amps | 30.0 |
| Internal Circuit Configuration and Pole Quantity | 1 POLE, MAINLINE, FUSED |
| Mounting Hole Quantity | 1 |
| Fuse Accommodation Quantity | 1 |
| Body Style | CLIP CONNECTED TYPE |
| Accommodated Ferrule Diameter | 0.250 INCHES NOMINAL IN |
| Mounting Hole Style | ONE HOLE MOUNTING |
| Accommodated Fuse Length | 1.250 INCHES NOMINAL IN |
| Mounting Hole Diameter | 0.138 INCHES NOMINAL IN |
| Base Thickness | 0.187 INCHES NOMINAL IN |
| Coating Method | PLATED CONTACT |
| Surface Treatment | NICKEL CONTACT |
| Fuse Terminal Type Accommodated | FERRULE |
| Material | COPPER ALLOY TERMINAL |
| Terminal Type and Quantity | 2 TAB, SOLDER LUG |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 3823-1 | Cooper Bussmann, Llc Dba Cooper Industries (USA) |
| 2874270-1 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| T505004601 | Lockheed Martin Librascope Corporation (USA) |
NSN 5920-00-137-4991 is a Fuseholder,block, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5920 (No Item Name Available). Status: active.
NSN 5920-00-137-4991 has 3 cross-referenced part numbers: 3823-1 (Cooper Bussmann, Llc Dba Cooper Industries), 2874270-1 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), T505004601 (Lockheed Martin Librascope Corporation).
There are 3 known substitutes for 5920-00-137-4991: 4310-00-294-2538, 1680-00-516-8396, 4330-00-948-3358. Verify interchangeability with system specifications before substitution.
Key specifications for 2874270-1: Material: COPPER ALLOY CONTACT; Voltage in Volts: 250.0; Material: PLASTIC PHENOLIC BODY; Current Carrying Rating in Amps: 30.0. 21 total characteristics are documented in the Federal Logistics Information System.