The Fuseholder,block, cataloged under National Stock Number 5920-00-177-1972, 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 Lockheed Martin Corporation Div Rms. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5920-00-177-1972 |
| Primary Part Number | GE8431-3 |
| Item Name | Fuseholder,block |
| FSC / FSG | 5920 / 59 — No Item Name Available |
| Manufacturer | Lockheed Martin Corporation Div Rms |
| Status | CANCELLED |
| Material | COPPER ALLOY CONTACT |
| Surface Treatment | NICKEL TERMINAL |
| Coating Method | PLATED TERMINAL |
| Material | CERAMIC BODY |
| Internal Circuit Configuration and Pole Quantity | 3 POLE, MAINLINE, FUSED |
| Voltage in Volts | 250.0 |
| Current Carrying Rating in Amps | 30.0 |
| Terminal Type and Quantity | 6 SCREW |
| Fuse Terminal Type Accommodated | FERRULE |
| Accommodated Fuse Length | 1.250 INCHES NOMINAL IN |
| Center to Center Distance Between Outside Mounting Holes Along Length | 2.500 INCHES NOMINAL IN |
| Body Style | SIDE BARRIER TYPE |
| Mounting Hole Quantity | 2 |
| Mounting Hole Style | IN-LINE ALONG THE LENGTH |
| Fuse Accommodation Quantity | 3 |
| Mounting Hole Diameter | 0.219 INCHES NOMINAL IN |
| Accommodated Ferrule Diameter | 0.250 INCHES NOMINAL IN |
| Base Thickness | 0.375 INCHES NOMINAL IN |
| Material | COPPER ALLOY TERMINAL |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| GE8431-3 PRIMARY | Lockheed Martin Corporation Div Rms (USA) |
| GE8431-3 | General Electric Co Wiring Device Dept (USA) |
| F30A3 | Marathon Electric, Llc (USA) |
| F30A3S | Marathon Electric, Llc (USA) |
| F30A3S | Photovac Inc (CAN) |
| 20313 | Taylor Industries Inc Dba Taylor Electric Inc (USA) |
| F30A35 | Schneider Electric Usa, Inc. (USA) |
| 66U1-2531-3 | Carrier Corp (USA) |
| 2400-105 | Bock Engineered Products Inc (USA) |
NSN 5920-00-177-1972 is a Fuseholder,block, manufactured by Lockheed Martin Corporation Div Rms, classified under FSC 5920 (No Item Name Available). Status: cancelled.
NSN 5920-00-177-1972 has 9 cross-referenced part numbers: GE8431-3 (Lockheed Martin Corporation Div Rms), GE8431-3 (General Electric Co Wiring Device Dept), F30A3 (Marathon Electric, Llc), F30A3S (Marathon Electric, Llc), F30A3S (Photovac Inc) and 4 more.
There are 7 known substitutes for 5920-00-177-1972: 3110-00-156-7563, 5920-00-424-8873, 3110-00-554-3295 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for GE8431-3: Material: COPPER ALLOY CONTACT; Surface Treatment: NICKEL TERMINAL; Coating Method: PLATED TERMINAL; Material: CERAMIC BODY. 22 total characteristics are documented in the Federal Logistics Information System.
NSN 5920-00-177-1972 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.