PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5-1-4381Flange,companion,vehicular Unive

Dana Corp Spicer Transmission Div · NSN 2520-00-815-1977 · FSC 2520 · No Item Name Available
Verified by PartsTable
NSN 2520-00-815-1977 — this item is cataloged by the U.S. Government under National Stock Number 2520-00-815-1977. Primary manufacturer part number: 5-1-4381.
Features
  • Flange,companion,vehicular Unive — FSC 2520
  • Hub Spline Quantity: 10
  • 1 verified cross-reference
  • Primary manufacturer: Dana Corp Spicer Transmission Div
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Flange,companion,vehicular Unive, cataloged under National Stock Number 2520-00-815-1977, is classified within Federal Supply Class 2520 (No Item Name Available) of the Vehicular Equipment Components group. The primary manufacturer of record is Dana Corp Spicer Transmission Div. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2520-00-815-1977
Primary Part Number5-1-4381
Item NameFlange,companion,vehicular Unive
FSC / FSG2520 / 25 — No Item Name Available
ManufacturerDana Corp Spicer Transmission Div
StatusACTIVE
Hub Spline Quantity10
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5330-00-099-108624851 INTERCHANGEABLE
Gasket
Dana Automotive Systems Group, Llc Dba Dana Sealing Products
5962-01-500-327751438-1 INTERCHANGEABLE
Microcircuit,digital
Raytheon Company
4240-01-717-9360ST54-N-55-40-20-00-20-00-00-00-0 INTERCHANGEABLE
Breathing Apparatus,self-Contain
Avon Protection Systems Incorporated Dba Avon Protection Systems Inc
Cross-Reference Index
Part NumberManufacturer
5-1-4381 PRIMARY Dana Corp Spicer Transmission Div (USA)
Related Parts
5330-00-099-1086INTERCHANGEABLE
GASKET
24851
5962-01-500-3277INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
51438-1
4240-01-717-9360INTERCHANGEABLE
BREATHING APPARATUS,SELF-CONTAIN
ST54-N-55-40-20-00-20-00-00-00-0

Frequently Asked Questions

What is NSN 2520-00-815-1977?

NSN 2520-00-815-1977 is a Flange,companion,vehicular Unive, manufactured by Dana Corp Spicer Transmission Div, classified under FSC 2520 (No Item Name Available). Status: active.

What are the part numbers for NSN 2520-00-815-1977?

NSN 2520-00-815-1977 has 1 cross-referenced part number: 5-1-4381 (Dana Corp Spicer Transmission Div).

What NSN replaces 2520-00-815-1977?

There are 3 known substitutes for 2520-00-815-1977: 5330-00-099-1086, 5962-01-500-3277, 4240-01-717-9360. Verify interchangeability with system specifications before substitution.

What are the specifications of 5-1-4381?

Key specifications for 5-1-4381: Hub Spline Quantity: 10; Overall Length: 3.863 INCHES MINIMUM AND 3.873 INCHES MAXIMUM IN; Special Features: DIRT-LIQUID DEFLECTOR INCLUDED. 3 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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