PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

DM47520 ITEM 38Universal Joint,vehicular

Electric Boat Corporation Div General Dynamics Electric Boat · NSN 2520-01-259-7476 · FSC 2520 · No Item Name Available
Verified by PartsTable
NSN 2520-01-259-7476 — this item is cataloged by the U.S. Government under National Stock Number 2520-01-259-7476. Primary manufacturer part number: DM47520 ITEM 38.
Features
  • Universal Joint,vehicular — FSC 2520
  • Connection End Type: HUB,SQUARE BORE SECOND END
  • Design Type: DOUBLE JOINT
  • Connection End Type: HUB,SQUARE BORE FIRST END
  • Hub Bore Width Across Flats: 1.003 INCHES NOMINAL FIRST END IN
  • 5 verified cross-references
  • Primary manufacturer: Electric Boat Corporation Div General Dynamics Electric Boat
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Universal Joint,vehicular, cataloged under National Stock Number 2520-01-259-7476, is classified within Federal Supply Class 2520 (No Item Name Available) of the Vehicular Equipment Components group. The primary manufacturer of record is Electric Boat Corporation Div General Dynamics Electric Boat. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2520-01-259-7476
Primary Part NumberDM47520 ITEM 38
Item NameUniversal Joint,vehicular
FSC / FSG2520 / 25 — No Item Name Available
ManufacturerElectric Boat Corporation Div General Dynamics Electric Boat
StatusACTIVE
Connection End TypeHUB,SQUARE BORE SECOND END
Design TypeDOUBLE JOINT
Connection End TypeHUB,SQUARE BORE FIRST END
Hub Bore Width Across Flats1.003 INCHES NOMINAL FIRST END IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
3040-01-198-2688501-4675699 ITEM 1 INTERCHANGEABLE
Lever,manual Control
Naval Ship Systems Command
3040-01-198-2689501-4675699 ITEM 2 INTERCHANGEABLE
Lever,manual Control
Naval Ship Systems Command
3040-01-198-2690501-4675699 ITEM 3 INTERCHANGEABLE
Lever,manual Control
Naval Ship Systems Command
3040-01-198-2691501-4675699 ITEM 4 INTERCHANGEABLE
Lever,manual Control
Naval Ship Systems Command
2520-01-259-7477DM47520 ITEM 39 INTERCHANGEABLE
Universal Joint,vehicular
Electric Boat Corporation Div General Dynamics Electric Boat
4820-01-260-1976DM47520 ITEM 34 INTERCHANGEABLE
Gear Operator,valve
Electric Boat Corporation Div General Dynamics Electric Boat
4820-01-260-2611DM47520 ITEM 64 INTERCHANGEABLE
Disk,valve
Electric Boat Corporation Div General Dynamics Electric Boat
4820-01-261-014587643-7501 PC40 INTERCHANGEABLE
Stem,fluid Valve
Electric Boat Corporation Div General Dynamics Electric Boat
4820-01-261-023225-D-058 INTERCHANGEABLE
Gear Operator,valve
Derbyshire Machine & Tool Co
3040-01-268-013187643-7505 ITEM 65 INTERCHANGEABLE
Lever,manual Control
Derbyshire Machine & Tool Co
Cross-Reference Index
Part NumberManufacturer
87643-7505 ITEM 38 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
501-4675699 ITEM 38 Naval Ship Systems Command (USA)
87643-7505 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
DM47520 ITEM 38 PRIMARY Electric Boat Corporation Div General Dynamics Electric Boat (USA)
501-4675699 Naval Ship Systems Command (USA)
Related Parts
3040-01-198-2688INTERCHANGEABLE
LEVER,MANUAL CONTROL
501-4675699 ITEM 1
3040-01-198-2689INTERCHANGEABLE
LEVER,MANUAL CONTROL
501-4675699 ITEM 2
3040-01-198-2690INTERCHANGEABLE
LEVER,MANUAL CONTROL
501-4675699 ITEM 3
3040-01-198-2691INTERCHANGEABLE
LEVER,MANUAL CONTROL
501-4675699 ITEM 4
2520-01-259-7477INTERCHANGEABLE
UNIVERSAL JOINT,VEHICULAR
DM47520 ITEM 39
4820-01-260-1976INTERCHANGEABLE
GEAR OPERATOR,VALVE
DM47520 ITEM 34
4820-01-260-2611INTERCHANGEABLE
DISK,VALVE
DM47520 ITEM 64
4820-01-261-0145INTERCHANGEABLE
STEM,FLUID VALVE
87643-7501 PC40
4820-01-261-0232INTERCHANGEABLE
GEAR OPERATOR,VALVE
25-D-058
3040-01-268-0131INTERCHANGEABLE
LEVER,MANUAL CONTROL
87643-7505 ITEM 65
3040-01-346-1433INTERCHANGEABLE
DISC,DRIVE,OPERATOR
87643-7505 ITEM 93

Frequently Asked Questions

What is NSN 2520-01-259-7476?

NSN 2520-01-259-7476 is a Universal Joint,vehicular, manufactured by Electric Boat Corporation Div General Dynamics Electric Boat, classified under FSC 2520 (No Item Name Available). Status: active.

What are the part numbers for NSN 2520-01-259-7476?

NSN 2520-01-259-7476 has 5 cross-referenced part numbers: 87643-7505 ITEM 38 (Electric Boat Corporation Div General Dynamics Electric Boat), 501-4675699 ITEM 38 (Naval Ship Systems Command), 87643-7505 (Electric Boat Corporation Div General Dynamics Electric Boat), DM47520 ITEM 38 (Electric Boat Corporation Div General Dynamics Electric Boat), 501-4675699 (Naval Ship Systems Command).

What NSN replaces 2520-01-259-7476?

There are 11 known substitutes for 2520-01-259-7476: 3040-01-198-2688, 3040-01-198-2689, 3040-01-198-2690 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of DM47520 ITEM 38?

Key specifications for DM47520 ITEM 38: Connection End Type: HUB,SQUARE BORE SECOND END; Design Type: DOUBLE JOINT; Special Features: 2ND END DIM ACROSS THE FLATS;1.003 IN. IN; Connection End Type: HUB,SQUARE BORE FIRST END. 6 total characteristics are documented in the Federal Logistics Information System.

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