PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

388-319Fuse Term Block,air

Ajax Tocco Magnethermic Corporation Dba Pines Engineering Div Pines Engineering · NSN 4920-01-571-8268 · FSC 4920 · No Item Name Available
Verified by PartsTable
NSN 4920-01-571-8268 — this item is cataloged by the U.S. Government under National Stock Number 4920-01-571-8268. Primary manufacturer part number: 388-319.
Features
  • Fuse Term Block,air — FSC 4920
  • 3 verified cross-references
  • Primary manufacturer: Ajax Tocco Magnethermic Corporation Dba Pines Engineering Div Pines Engineering
Applications
  • Maintenance depot operations
  • Field repair and servicing
  • Vehicle maintenance facilities
General Description

The Fuse Term Block,air, cataloged under National Stock Number 4920-01-571-8268, is classified within Federal Supply Class 4920 (No Item Name Available) of the Maintenance and Repair Shop Equipment group. The primary manufacturer of record is Ajax Tocco Magnethermic Corporation Dba Pines Engineering Div Pines Engineering. 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.

Catalog Facts
Item NameFuse Term Block,air
FSC / FSG4920 — No Item Name Available (FSG 49)
ManufacturersRisk Industries Llc Dba Pines Technology Div Headquarters (CAGE 4RPC2); Ajax Tocco Magnethermic Corporation Dba Pines Engineering Div Pines Engineering (CAGE 74QK6); Phoenix Contact Development and Manufacturing Inc Dba Protiq Usa (CAGE 5Y407)
Technical Specifications
ParameterValue
NSN4920-01-571-8268
Primary Part Number388-319
Item NameFuse Term Block,air
FSC / FSG4920 / 49 — No Item Name Available
ManufacturerAjax Tocco Magnethermic Corporation Dba Pines Engineering Div Pines Engineering
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5962-01-044-4129 INTERCHANGEABLE
Microcircuit,digital
5962-01-168-7582SNM74126W INTERCHANGEABLE
Microcircuit,digital
Texas Instruments Incorporated
5920-01-381-8648UK6.3-HESI INTERCHANGEABLE
Fuseholder,block
Phoenix Contact Development and Manufacturing Inc Dba Protiq Usa
Cross-Reference Index
Part NumberManufacturer
388-319 Risk Industries Llc Dba Pines Technology Div Headquarters (USA)
388-319 PRIMARY Ajax Tocco Magnethermic Corporation Dba Pines Engineering Div Pines Engineering (USA)
3004171 Phoenix Contact Development and Manufacturing Inc Dba Protiq Usa (USA)
Related Parts
5962-01-044-4129INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
5962-01-168-7582INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
SNM74126W
5920-01-381-8648INTERCHANGEABLE
FUSEHOLDER,BLOCK
UK6.3-HESI

Frequently Asked Questions

What is NSN 4920-01-571-8268?

NSN 4920-01-571-8268 is a Fuse Term Block,air, manufactured by Ajax Tocco Magnethermic Corporation Dba Pines Engineering Div Pines Engineering, classified under FSC 4920 (No Item Name Available). Status: active.

What are the part numbers for NSN 4920-01-571-8268?

NSN 4920-01-571-8268 has 3 cross-referenced part numbers: 388-319 (Risk Industries Llc Dba Pines Technology Div Headquarters), 388-319 (Ajax Tocco Magnethermic Corporation Dba Pines Engineering Div Pines Engineering), 3004171 (Phoenix Contact Development and Manufacturing Inc Dba Protiq Usa).

What NSN replaces 4920-01-571-8268?

There are 3 known substitutes for 4920-01-571-8268: 5962-01-044-4129, 5962-01-168-7582, 5920-01-381-8648. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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