PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

637617Gearshaft,spur

L3harris Mas Inc Div L3harris Mas Inc. · NSN 3040-00-942-9525 · FSC 3040 · No Item Name Available
Verified by PartsTable
NSN 3040-00-942-9525 — this item is cataloged by the U.S. Government under National Stock Number 3040-00-942-9525. Primary manufacturer part number: 637617.
Features
  • Gearshaft,spur — FSC 3040
  • 2 verified cross-references
  • Primary manufacturer: L3harris Mas Inc Div L3harris Mas Inc.
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Gearshaft,spur, cataloged under National Stock Number 3040-00-942-9525, is classified within Federal Supply Class 3040 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is L3harris Mas Inc Div L3harris Mas Inc.. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameGearshaft,spur
FSC / FSG3040 — No Item Name Available (FSG 30)
ManufacturersL3harris Mas Inc Div L3harris Mas Inc. (CAGE 09691); Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (CAGE 06481)
Technical Specifications
ParameterValue
NSN3040-00-942-9525
Primary Part Number637617
Item NameGearshaft,spur
FSC / FSG3040 / 30 — No Item Name Available
ManufacturerL3harris Mas Inc Div L3harris Mas Inc.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5330-00-731-8702415368 INTERCHANGEABLE
Seal,plain Encased
Federal-Mogul Corp Government Sales Dept
Cross-Reference Index
Part NumberManufacturer
637617 PRIMARY L3harris Mas Inc Div L3harris Mas Inc. (CAN)
637617 PRIMARY Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
Related Parts
5330-00-731-8702INTERCHANGEABLE
SEAL,PLAIN ENCASED
415368

Frequently Asked Questions

What is NSN 3040-00-942-9525?

NSN 3040-00-942-9525 is a Gearshaft,spur, manufactured by L3harris Mas Inc Div L3harris Mas Inc., classified under FSC 3040 (No Item Name Available). Status: active.

What are the part numbers for NSN 3040-00-942-9525?

NSN 3040-00-942-9525 has 2 cross-referenced part numbers: 637617 (L3harris Mas Inc Div L3harris Mas Inc.), 637617 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp).

What NSN replaces 3040-00-942-9525?

There is 1 known substitute for 3040-00-942-9525: 5330-00-731-8702. Verify interchangeability with system specifications before substitution.

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