PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7383858-H5257617-014Universal Joint,vehicular

Naval Sea Systems Command · NSN 2520-01-643-2978 · FSC 2520 · No Item Name Available
Verified by PartsTable
NSN 2520-01-643-2978 — this item is cataloged by the U.S. Government under National Stock Number 2520-01-643-2978. Primary manufacturer part number: 7383858-H5257617-014.
Features
  • Universal Joint,vehicular — FSC 2520
  • 8 verified cross-references
  • Primary manufacturer: Naval Sea Systems Command
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Universal Joint,vehicular, cataloged under National Stock Number 2520-01-643-2978, is classified within Federal Supply Class 2520 (No Item Name Available) of the Vehicular Equipment Components group. The primary manufacturer of record is Naval Sea Systems Command. This item has 8 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameUniversal Joint,vehicular
FSC / FSG2520 — No Item Name Available (FSG 25)
ManufacturersNaval Sea Systems Command (CAGE 53711); Naval Inventory Control Point Mechanicsburg (CAGE 03950); Electric Boat Corporation Div General Dynamics Electric Boat (CAGE 96169)
Technical Specifications
ParameterValue
NSN2520-01-643-2978
Primary Part Number7383858-H5257617-014
Item NameUniversal Joint,vehicular
FSC / FSG2520 / 25 — No Item Name Available
ManufacturerNaval Sea Systems Command
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
3120-01-643-1685 INTERCHANGEABLE
Bearing,washer,thrust
3010-01-654-4056501-7066655-14 INTERCHANGEABLE
Universal Joint,nonvehicular
Naval Sea Systems Command
Cross-Reference Index
Part NumberManufacturer
7383858-H5257617-014 Naval Sea Systems Command (USA)
H547-0001-H5257617-14D4 Naval Inventory Control Point Mechanicsburg (USA)
H547-0001-H5257617-14 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
H525-7617-14D4 Naval Inventory Control Point Mechanicsburg (USA)
501-7066655-14 Naval Sea Systems Command (USA)
7383858-H5257617-014D4 Naval Inventory Control Point Mechanicsburg (USA)
501-7066655-14D4 Naval Inventory Control Point Mechanicsburg (USA)
H525-7617-14 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
Related Parts
3120-01-643-1685INTERCHANGEABLE
BEARING,WASHER,THRUST
3010-01-654-4056INTERCHANGEABLE
UNIVERSAL JOINT,NONVEHICULAR
501-7066655-14

Frequently Asked Questions

What is NSN 2520-01-643-2978?

NSN 2520-01-643-2978 is a Universal Joint,vehicular, manufactured by Naval Sea Systems Command, classified under FSC 2520 (No Item Name Available). Status: active.

What are the part numbers for NSN 2520-01-643-2978?

NSN 2520-01-643-2978 has 8 cross-referenced part numbers: 7383858-H5257617-014 (Naval Sea Systems Command), H547-0001-H5257617-14D4 (Naval Inventory Control Point Mechanicsburg), H547-0001-H5257617-14 (Electric Boat Corporation Div General Dynamics Electric Boat), H525-7617-14D4 (Naval Inventory Control Point Mechanicsburg), 501-7066655-14 (Naval Sea Systems Command) and 3 more.

What NSN replaces 2520-01-643-2978?

There are 2 known substitutes for 2520-01-643-2978: 3120-01-643-1685, 3010-01-654-4056. Verify interchangeability with system specifications before substitution.

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