Hub Inside Diameter: 1.029 INCHES MINIMUM AND 1.041 INCHES MAXIMUM IN
Style Designator: SINGLE HUB W/ SECURING HOLE(S)
Surface Treatment: ANODIZE
Distance From First End Hub to Shoulder: 4.070 INCHES NOMINAL IN
Material: ALUMINUM
Shoulder Outside Diameter: 6.000 INCHES NOMINAL IN
Identification
NSN: 3040-01-386-3431
NIIN: 013863431
FSC: 3040 — Miscellaneous Power Transmission Equipment
FSG: 30 — Mechanical Power Transmission Equipment
General Description
The Hub,body, cataloged under National Stock Number 3040-01-386-3431, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 8 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
3040-01-386-3431
Item Name
Hub,body
FSC / FSG
3040 / 30 — Miscellaneous Power Transmission Equipment
Status
ACTIVE
Shoulder Width
2.250 INCHES NOMINAL IN
Hub Inside Diameter
1.029 INCHES MINIMUM AND 1.041 INCHES MAXIMUM IN
Style Designator
SINGLE HUB W/ SECURING HOLE(S)
Surface Treatment
ANODIZE
Distance From First End Hub to Shoulder
4.070 INCHES NOMINAL IN
Material
ALUMINUM
Shoulder Outside Diameter
6.000 INCHES NOMINAL IN
First End Hub Outside Diameter
5.000 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
DAA7232D733-001
3/2Design control — primary reference
U.S. Government activity
DAA7232D733
D/9Drawing number reference only
U.S. Government activity
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 3040-01-386-3431?
NSN 3040-01-386-3431 is a Hub,body, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
What are the specifications of 3040-01-386-3431?
Key specifications for 3040-01-386-3431: Shoulder Width: 2.250 INCHES NOMINAL IN; Hub Inside Diameter: 1.029 INCHES MINIMUM AND 1.041 INCHES MAXIMUM IN; Style Designator: SINGLE HUB W/ SECURING HOLE(S); Surface Treatment: ANODIZE. 8 specifications are documented in the U.S. Government catalog.
Is NSN 3040-01-386-3431 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.