The Fuseholder,block, cataloged under National Stock Number 5920-01-320-9357, 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 Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. Government technical data includes 16 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5920-01-320-9357 |
| Primary Part Number | 1603AS164-1 |
| Item Name | Fuseholder,block |
| FSC / FSG | 5920 / 59 — Fuses, Arrestors, Absorbers, and Protectors |
| Manufacturer | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| Status | ACTIVE |
| Accommodated Fuse Length | 2.375 INCHES NOMINAL IN |
| Mounting Hole Quantity | 6 |
| Fragility Factor | MODERATELY RUGGED |
| Body Style | SIDE BARRIER TYPE |
| Internal Circuit Configuration and Pole Quantity | 3 POLE, MAINLINE, FUSED |
| Mounting Hole Style | IN-LINE ALONG THE WIDTH |
| Voltage in Volts | 600.0 |
| Mounting Hole Diameter | 0.261 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN |
| Accommodated Ferrule Diameter | 1.063 INCHES NOMINAL IN |
| Fuse Terminal Type Accommodated | FERRULE |
| Current Carrying Rating in Amps | 60.0 |
| Center to Center Distance Between Outside Mounting Holes Along Width | 3.750 INCHES NOMINAL IN |
| Base Thickness | 0.220 INCHES NOMINAL IN |
| Material | COPPER ALLOY CONTACT |
| Terminal Type and Quantity | 6 COMPRESSION |
| Fuse Accommodation Quantity | 3 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 1603AS164-1 PRIMARY | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| JM60060-3CR | Cooper Bussmann (USA) |
| Reference | Meaning |
|---|---|
| 128402031 | C/1 Advisory reference — outside the item-of-supply concept Eaton Corporation |
| J60060-3C | 5/9 Secondary reference Cooper Bussmann |
| J60060-3C | 5/9 Secondary reference Mcgraw Edison Co Usd Opns Sub of Cooper Industries |
NSN 5920-01-320-9357 is a Fuseholder,block, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 5920, Fuses, Arrestors, Absorbers, and Protectors. Status: active.
NSN 5920-01-320-9357 has 2 manufacturer part numbers on file: 1603AS164-1 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), JM60060-3CR (Cooper Bussmann).
Key specifications for 1603AS164-1: Accommodated Fuse Length: 2.375 INCHES NOMINAL IN; Mounting Hole Quantity: 6; Overall Height: 2.000 INCHES NOMINAL IN; Fragility Factor: MODERATELY RUGGED. 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.