PartsTable TECHNICAL DATA SHEET
NSN 3040-01-644-8430Government record, cited

Shaft, Shouldered3040-01-644-8430

NSN 3040-01-644-8430 · NIIN 016448430 · Part number 12578351
U S Army Tank Automotive Command Amsta-Im-Mm · FSC 3040 — Miscellaneous Power Transmission Equipment · FSG 30 — Mechanical Power Transmission Equipment · CAGE 19207
Government record, cited
NSN 3040-01-644-8430 — this item is cataloged by the U.S. Government under National Stock Number 3040-01-644-8430. Manufacturer of record part number: 12578351.
Also searched as  3040-01-644-8430 · 3040016448430 · NIIN 016448430 · 01-644-8430 · FSC 3040 Miscellaneous Power Transmission Equipment · CAGE 19207 · 12578351
Nearby stock numbers  ·
Features
  • Shaft,shouldered — FSC 3040
  • Second End Hole Diameter: 0.313 INCHES NOMINAL IN
  • First End Diameter: 2.00 INCHES NOMINAL IN
  • Second End Diameter: 0.99 INCHES NOMINAL IN
  • Supplementary Features: NEXT ASSY PART NO 12578346 NIIN 016446256 DOOR,VEHICULAR
  • First End Hole Diameter: 0.313 INCHES MINIMUM IN
  • Material: STEEL COMP 12L14
  • 1 manufacturer part number on file
Identification
  • NSN: 3040-01-644-8430
  • NIIN: 016448430
  • FSC: 3040 — Miscellaneous Power Transmission Equipment
  • FSG: 30 — Mechanical Power Transmission Equipment
  • Primary part number: 12578351
  • Manufacturer: U S Army Tank Automotive Command Amsta-Im-Mm
General Description

The Shaft,shouldered, cataloged under National Stock Number 3040-01-644-8430, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3040-01-644-8430
Primary Part Number12578351
Item NameShaft,shouldered
FSC / FSG3040 / 30 — Miscellaneous Power Transmission Equipment
ManufacturerU S Army Tank Automotive Command Amsta-Im-Mm
StatusACTIVE
Second End Hole Diameter0.313 INCHES NOMINAL IN
First End Diameter2.00 INCHES NOMINAL IN
Second End Diameter0.99 INCHES NOMINAL IN
Supplementary FeaturesNEXT ASSY PART NO 12578346 NIIN 016446256 DOOR,VEHICULAR
First End Hole Diameter0.313 INCHES MINIMUM IN
MaterialSTEEL COMP 12L14
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
12578351 PRIMARY U S Army Tank Automotive Command Amsta-Im-Mm (USA)
No interchangeability data on file.
Other items in FSC 3040 — Miscellaneous Power Transmission Equipment
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3040-00-001-0046
3040-00-001-0046 · Item name not on file
3040-00-001-0047
3040-00-001-0047 · Item name not on file
3040-00-001-0048
3040-00-001-0048 · Item name not on file
3040-00-001-0068
3040-00-001-0068 · Item name not on file
3040-00-001-0077
3040-00-001-0077 · Item name not on file
3040-00-001-0078
3040-00-001-0078 · Item name not on file
3040-00-001-0089
3040-00-001-0089 · Item name not on file
3040-00-001-1224
3040-00-001-1224 · Item name not on file

Frequently Asked Questions

What is NSN 3040-01-644-8430?

NSN 3040-01-644-8430 is a Shaft,shouldered, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.

What part numbers are listed for NSN 3040-01-644-8430?

NSN 3040-01-644-8430 has 1 manufacturer part number on file: 12578351 (U S Army Tank Automotive Command Amsta-Im-Mm).

What are the specifications of 12578351?

Key specifications for 12578351: Second End Hole Diameter: 0.313 INCHES NOMINAL IN; First End Diameter: 2.00 INCHES NOMINAL IN; Second End Diameter: 0.99 INCHES NOMINAL IN; Supplementary Features: NEXT ASSY PART NO 12578346 NIIN 016446256 DOOR,VEHICULAR. 6 specifications are documented in the U.S. Government catalog.

Is NSN 3040-01-644-8430 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
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