PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7377212Shaft,axle,automotive

U S Army Tank Automotive Command Amsta-Im-Mm · NSN 2520-00-737-7212 · FSC 2520 · No Item Name Available
Verified by PartsTable
NSN 2520-00-737-7212 — this item is cataloged by the U.S. Government under National Stock Number 2520-00-737-7212. Primary manufacturer part number: 7377212.
Features
  • Shaft,axle,automotive — FSC 2520
  • First End Spline Minor Diameter: 1.440 INCHES MINIMUM AND 1.450 INCHES MAXIMUM IN
  • First End Spline Major Diameter: 1.6305 INCHES MINIMUM AND 1.6385 INCHES MAXIMUM IN
  • First End Bearing Seat: NOT INCLUDED
  • Material: STEEL
  • Second End Bearing Seat Width: 1.256 INCHES MINIMUM AND 1.260 INCHES MAXIMUM IN
  • First End Spline Length: 2.562 INCHES NOMINAL IN
  • First End Spline Type: STRAIGHT
Applications
  • Applications requiring Steel construction
General Description

The Shaft,axle,automotive, cataloged under National Stock Number 2520-00-737-7212, is classified within Federal Supply Class 2520 (No Item Name Available) of the Vehicular Equipment Components group. The primary manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2520-00-737-7212
Primary Part Number7377212
Item NameShaft,axle,automotive
FSC / FSG2520 / 25 — No Item Name Available
ManufacturerU S Army Tank Automotive Command Amsta-Im-Mm
StatusACTIVE
First End Spline Minor Diameter1.440 INCHES MINIMUM AND 1.450 INCHES MAXIMUM IN
First End Spline Major Diameter1.6305 INCHES MINIMUM AND 1.6385 INCHES MAXIMUM IN
First End Bearing SeatNOT INCLUDED
MaterialSTEEL
Second End Bearing Seat Width1.256 INCHES MINIMUM AND 1.260 INCHES MAXIMUM IN
First End Spline Length2.562 INCHES NOMINAL IN
First End Spline TypeSTRAIGHT
First End Spline Quantity10
Second End Bearing Seat Diameter1.256 INCHES MINIMUM AND 1.260 INCHES MAXIMUM IN
Metallic Hardness Rating48.0 MINIMUM ROCKWELL C
Second End Distance From Bearing Seat to End2.125 INCHES MINIMUM AND 2.750 INCHES MAXIMUM IN
Second End Bearing SeatINCLUDED
First End TypeSPLINED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5331-00-579-8156DS-932327 INTERCHANGEABLE
O-Ring
Eaton Aerospace, Llc Dba Jackson South
Cross-Reference Index
Part NumberManufacturer
7377212 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
3659589 General Motors Llc Dba General Motors Llc (USA)
3569589 General Motors Llc Dba General Motors Llc (USA)
3569589 General Motors Corp (USA)
3659589 General Motors Corp (USA)
Related Parts
5331-00-579-8156INTERCHANGEABLE
O-RING
DS-932327

Frequently Asked Questions

What is NSN 2520-00-737-7212?

NSN 2520-00-737-7212 is a Shaft,axle,automotive, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 2520 (No Item Name Available). Status: active.

What are the part numbers for NSN 2520-00-737-7212?

NSN 2520-00-737-7212 has 5 cross-referenced part numbers: 7377212 (U S Army Tank Automotive Command Amsta-Im-Mm), 3659589 (General Motors Llc Dba General Motors Llc), 3569589 (General Motors Llc Dba General Motors Llc), 3569589 (General Motors Corp), 3659589 (General Motors Corp).

What NSN replaces 2520-00-737-7212?

There is 1 known substitute for 2520-00-737-7212: 5331-00-579-8156. Verify interchangeability with system specifications before substitution.

What are the specifications of 7377212?

Key specifications for 7377212: First End Spline Minor Diameter: 1.440 INCHES MINIMUM AND 1.450 INCHES MAXIMUM IN; First End Spline Major Diameter: 1.6305 INCHES MINIMUM AND 1.6385 INCHES MAXIMUM IN; First End Bearing Seat: NOT INCLUDED; Material: STEEL. 14 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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