The Fuseholder,block, cataloged under National Stock Number 5920-01-316-7990, 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 Mersen Usa Ep Corp. Dba Ferraz Shawmut. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5920-01-316-7990 |
| Primary Part Number | 18478 |
| Item Name | Fuseholder,block |
| FSC / FSG | 5920 / 59 — No Item Name Available |
| Manufacturer | Mersen Usa Ep Corp. Dba Ferraz Shawmut |
| Status | ACTIVE |
| Internal Circuit Configuration and Pole Quantity | 1 POLE, MAINLINE, FUSED |
| Screw Thread Diameter | 0.312 INCHES NOMINAL IN |
| Body Style | OPEN TYPE |
| Screw Thread Quantity Per Inch | 18.0 |
| Fuse Accommodation Quantity | 1 |
| Center to Center Distance Between Fuse Contacts | 2.440 INCHES NOMINAL IN |
| Base Thickness | 1.000 INCHES NOMINAL IN |
| Accommodated Fuse Length | 4.500 INCHES NOMINAL IN |
| Fuse Terminal Type Accommodated | KNIFE BLADE |
| Terminal Type and Quantity | 2 THREADED STUD |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5920-01-316-7990 is a Fuseholder,block, manufactured by Mersen Usa Ep Corp. Dba Ferraz Shawmut, classified under FSC 5920 (No Item Name Available). Status: active.
NSN 5920-01-316-7990 has 2 cross-referenced part numbers: 18478 (Mersen Usa Ep Corp. Dba Ferraz Shawmut), P243G (Mersen Usa Ep Corp. Dba Ferraz Shawmut).
There are 5 known substitutes for 5920-01-316-7990: 5330-00-163-2452, 6515-00-366-1300, 9540-00-596-3123 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for 18478: Internal Circuit Configuration and Pole Quantity: 1 POLE, MAINLINE, FUSED; Screw Thread Diameter: 0.312 INCHES NOMINAL IN; Body Style: OPEN TYPE; Overall Height: 2.500 INCHES NOMINAL IN. 13 total characteristics are documented in the Federal Logistics Information System.