PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

53758Shaft,shouldered

Altra Industrial Motion Corp. · NSN 3040-01-464-4685 · FSC 3040 · No Item Name Available
Verified by PartsTable
NSN 3040-01-464-4685 — this item is cataloged by the U.S. Government under National Stock Number 3040-01-464-4685. Primary manufacturer part number: 53758.
Features
  • Shaft,shouldered — FSC 3040
  • First End Style: FLAT KEYWAY
  • End Similarity: NOT IDENTICAL
  • 2 verified cross-references
  • Primary manufacturer: Altra Industrial Motion Corp.
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Shaft,shouldered, cataloged under National Stock Number 3040-01-464-4685, is classified within Federal Supply Class 3040 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Altra Industrial Motion Corp.. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3040-01-464-4685
Primary Part Number53758
Item NameShaft,shouldered
FSC / FSG3040 / 30 — No Item Name Available
ManufacturerAltra Industrial Motion Corp.
StatusACTIVE
First End StyleFLAT KEYWAY
End SimilarityNOT IDENTICAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
4920-00-167-0226 INTERCHANGEABLE
Adapter,filling,typ
5950-00-241-8870 INTERCHANGEABLE
Coil,radio Frequency
Cross-Reference Index
Part NumberManufacturer
721-30-B5-G2 OUTPUT SHAFT ASSY Altra Industrial Motion Corp. (USA)
53758 PRIMARY Altra Industrial Motion Corp. (USA)
Related Parts
4920-00-167-0226INTERCHANGEABLE
ADAPTER,FILLING,TYP
5950-00-241-8870INTERCHANGEABLE
COIL,RADIO FREQUENCY

Frequently Asked Questions

What is NSN 3040-01-464-4685?

NSN 3040-01-464-4685 is a Shaft,shouldered, manufactured by Altra Industrial Motion Corp., classified under FSC 3040 (No Item Name Available). Status: active.

What are the part numbers for NSN 3040-01-464-4685?

NSN 3040-01-464-4685 has 2 cross-referenced part numbers: 721-30-B5-G2 OUTPUT SHAFT ASSY (Altra Industrial Motion Corp.), 53758 (Altra Industrial Motion Corp.).

What NSN replaces 3040-01-464-4685?

There are 2 known substitutes for 3040-01-464-4685: 4920-00-167-0226, 5950-00-241-8870. Verify interchangeability with system specifications before substitution.

What are the specifications of 53758?

Key specifications for 53758: Special Features: NHA GEAR ASSY, SPE; Part Name Assigned by Controlling Agency: SHAFT ASSY,GEAR,OUT; First End Style: FLAT KEYWAY; End Item Identification: W/S CODE USNS STALWART CLASS TAGOS. 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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