The Fuseholder,block, cataloged under National Stock Number 5920-01-077-5325, 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 Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings). Government technical data includes 16 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5920-01-077-5325 |
| Primary Part Number | LO2779 |
| Item Name | Fuseholder,block |
| FSC / FSG | 5920 / 59 — Fuses, Arrestors, Absorbers, and Protectors |
| Manufacturer | Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) |
| Status | ACTIVE |
| Accommodated Fuse Length | 1.250 INCHES NOMINAL IN |
| Mounting Hole Quantity | 2 |
| Body Style | CLIP CONNECTED TYPE |
| Internal Circuit Configuration and Pole Quantity | 1 POLE, MAINLINE, FUSED |
| Mounting Hole Style | IN-LINE ALONG THE WIDTH |
| Criticality Code Justification | ZZZY |
| Voltage in Volts | 250.0 |
| Mounting Hole Diameter | 0.156 INCHES NOMINAL IN |
| Accommodated Ferrule Diameter | 0.250 INCHES NOMINAL IN |
| Fuse Terminal Type Accommodated | FERRULE |
| Current Carrying Rating in Amps | 30.0 |
| Center to Center Distance Between Outside Mounting Holes Along Width | 1.000 INCHES NOMINAL IN |
| Base Thickness | 0.120 INCHES NOMINAL IN |
| Terminal Type and Quantity | 2 TAB, SOLDER LUG |
| Fuse Accommodation Quantity | 1 |
| Reference Number Differentiating Characteristics | REFERENCE NUMBER DIFFERENTIATING MATERIAL WILL BE IN ACCORDANCE WITH NAVAL INVENTORY CONTROL POINT ACTIVITY HX QUALITY CONTROL. MANUFACTURING AND TESTING SPECIFICATIONS AVAILABLE AT THE DLA ICP |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| LO2779 | Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) (USA) |
| Reference | Meaning |
|---|---|
| 3377C24G01 | 3/1 Design control — primary reference Northrop Grumman Systems Corporation Div Marine Systems |
NSN 5920-01-077-5325 is a Fuseholder,block, manufactured by Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings), classified under FSC 5920, Fuses, Arrestors, Absorbers, and Protectors. Status: active.
NSN 5920-01-077-5325 has 1 manufacturer part number on file: LO2779 (Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)).
1 possible match (shared part number, not a government interchangeability claim): 5920-01-705-9058. Verify interchangeability with system specifications before substitution.
Key specifications for LO2779: Accommodated Fuse Length: 1.250 INCHES NOMINAL IN; Mounting Hole Quantity: 2; Body Style: CLIP CONNECTED TYPE; Internal Circuit Configuration and Pole Quantity: 1 POLE, MAINLINE, FUSED. 16 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.