NSN 3040-01-389-0310 · NIIN 013890310 · Part number DAA7278D125-001
Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems · FSC 3040 — Miscellaneous Power Transmission Equipment · FSG 30 — Mechanical Power Transmission Equipment · CAGE 1W025
Government record, cited
NSN 3040-01-389-0310 — this item is cataloged by the U.S. Government under National Stock Number 3040-01-389-0310. Manufacturer of record part number: DAA7278D125-001.
Also searched as3040-01-389-0310 ·
3040013890310 ·
NIIN 013890310 ·
01-389-0310 ·
FSC 3040 Miscellaneous Power Transmission Equipment · CAGE 1W025 · DAA7278D125-001
First End Width Across Flats: 0.3750 INCHES NOMINAL IN
Step Quantity: 7
First End Diameter: 0.3750 INCHES NOMINAL IN
First End Step Length: 0.3700 INCHES NOMINAL IN
Largest Step Diameter: 0.6250 INCHES NOMINAL IN
First End Style: HEXAGONAL
End Similarity: IDENTICAL
Identification
NSN: 3040-01-389-0310
NIIN: 013890310
FSC: 3040 — Miscellaneous Power Transmission Equipment
FSG: 30 — Mechanical Power Transmission Equipment
Primary part number: DAA7278D125-001
Manufacturer: Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems
General Description
The Shaft,shouldered, cataloged under National Stock Number 3040-01-389-0310, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems. Government technical data includes 8 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
Parameter
Value
NSN
3040-01-389-0310
Primary Part Number
DAA7278D125-001
Item Name
Shaft,shouldered
FSC / FSG
3040 / 30 — Miscellaneous Power Transmission Equipment
Manufacturer
Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems
Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems (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 3040-01-389-0310?
NSN 3040-01-389-0310 is a Shaft,shouldered, manufactured by Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
What part numbers are listed for NSN 3040-01-389-0310?
NSN 3040-01-389-0310 has 1 manufacturer part number on file: DAA7278D125-001 (Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems).
What are the specifications of DAA7278D125-001?
Key specifications for DAA7278D125-001: First End Width Across Flats: 0.3750 INCHES NOMINAL IN; Step Quantity: 7; First End Diameter: 0.3750 INCHES NOMINAL IN; First End Step Length: 0.3700 INCHES NOMINAL IN. 8 specifications are documented in the U.S. Government catalog.
Is NSN 3040-01-389-0310 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.