PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7521037Gearshaft,multiple Gears

U S Army Tank Automotive Command Amsta-Im-Mm · NSN 3040-00-752-1037 · FSC 3040 · No Item Name Available
Verified by PartsTable
NSN 3040-00-752-1037 — this item is cataloged by the U.S. Government under National Stock Number 3040-00-752-1037. Primary manufacturer part number: 7521037.
Features
  • Gearshaft,multiple Gears — FSC 3040
  • Gear Type: HELICAL SECOND GEAR
  • Gear Type: HELICAL FIRST GEAR
  • Teeth Quantity: 24 SECOND GEAR
  • Teeth Quantity: 13 THIRD GEAR
  • Diametral Pitch: 8.0829 FIRST GEAR
  • Diametral Pitch: 6/7 THIRD GEAR
  • Gear Quantity: 3
Applications
  • Applications requiring Steel Overall construction
General Description

The Gearshaft,multiple Gears, cataloged under National Stock Number 3040-00-752-1037, is classified within Federal Supply Class 3040 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3040-00-752-1037
Primary Part Number7521037
Item NameGearshaft,multiple Gears
FSC / FSG3040 / 30 — No Item Name Available
ManufacturerU S Army Tank Automotive Command Amsta-Im-Mm
StatusACTIVE
Gear TypeHELICAL SECOND GEAR
Gear TypeHELICAL FIRST GEAR
Teeth Quantity24 SECOND GEAR
Teeth Quantity13 THIRD GEAR
Diametral Pitch8.0829 FIRST GEAR
Diametral Pitch6/7 THIRD GEAR
Gear Quantity3
MaterialSTEEL OVERALL
Gear TypeSPUR THIRD GEAR
Teeth Quantity33 FIRST GEAR
Diametral Pitch8.083 SECOND GEAR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
1660-00-919-040143030-3 INTERCHANGEABLE
Valve Assembly,environmental Con
Moog Military Aircraft Llc
4320-00-977-9404P3-23EZ5-2R01 INTERCHANGEABLE
Pump,assembly
Rexroth Corp the Mobile Hydraulics Div
5420-00-996-7349914103 INTERCHANGEABLE
Parts Kit,hydraulic System
Eaton Aerospace, Llc Dba Jackson South
5970-01-109-3679430303 INTERCHANGEABLE
Insulator,plate
Accessories for Electronics Inc Dba Afe
Cross-Reference Index
Part NumberManufacturer
2355T2 Diamond Reo Truck Co (USA)
430303 Machine Tool and Gear Inc (USA)
7521037 PRIMARY U S Army Tank Automotive Command Amsta-Im-Mm (USA)
914103 Sasco Inc Canadian Div
30-30-34 PRIMARY Dana Corp Spicer Transmission Div (USA)
2520007521037 E.c.a Etablissement Centrald'approvisionnement Des Forces Armee
TG034 Marmon Group Inc the Active Gear Co Div (USA)
2355T2 Spalla Inc (USA)
Related Parts
1660-00-919-0401INTERCHANGEABLE
VALVE ASSEMBLY,ENVIRONMENTAL CON
43030-3
4320-00-977-9404INTERCHANGEABLE
PUMP,ASSEMBLY
P3-23EZ5-2R01
5420-00-996-7349INTERCHANGEABLE
PARTS KIT,HYDRAULIC SYSTEM
914103
5970-01-109-3679INTERCHANGEABLE
INSULATOR,PLATE
430303

Frequently Asked Questions

What is NSN 3040-00-752-1037?

NSN 3040-00-752-1037 is a Gearshaft,multiple Gears, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 3040 (No Item Name Available). Status: active.

What are the part numbers for NSN 3040-00-752-1037?

NSN 3040-00-752-1037 has 8 cross-referenced part numbers: 2355T2 (Diamond Reo Truck Co), 430303 (Machine Tool and Gear Inc), 7521037 (U S Army Tank Automotive Command Amsta-Im-Mm), 914103 (Sasco Inc Canadian Div), 30-30-34 (Dana Corp Spicer Transmission Div) and 3 more.

What NSN replaces 3040-00-752-1037?

There are 4 known substitutes for 3040-00-752-1037: 1660-00-919-0401, 4320-00-977-9404, 5420-00-996-7349 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 7521037?

Key specifications for 7521037: Gear Type: HELICAL SECOND GEAR; Gear Type: HELICAL FIRST GEAR; Teeth Quantity: 24 SECOND GEAR; Teeth Quantity: 13 THIRD GEAR. 11 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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