First End Tongue Thickness: 1.187 INCHES NOMINAL IN
Step Quantity: 13
First End Step Length: 4.875 INCHES NOMINAL IN
Largest Step Diameter: 16.188 INCHES NOMINAL IN
First End Style: TONGUE ROUNDED ENDS
End Similarity: NOT IDENTICAL
Material: STEEL COMP 1040
Identification
NSN: 3040-01-185-9508
NIIN: 011859508
FSC: 3040 — Miscellaneous Power Transmission Equipment
FSG: 30 — Mechanical Power Transmission Equipment
General Description
The Shaft,shouldered, cataloged under National Stock Number 3040-01-185-9508, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 7 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
3040-01-185-9508
Item Name
Shaft,shouldered
FSC / FSG
3040 / 30 — Miscellaneous Power Transmission Equipment
Status
ACTIVE
First End Tongue Thickness
1.187 INCHES NOMINAL IN
Step Quantity
13
First End Step Length
4.875 INCHES NOMINAL IN
Largest Step Diameter
16.188 INCHES NOMINAL IN
First End Style
TONGUE ROUNDED ENDS
End Similarity
NOT IDENTICAL
Material
STEEL COMP 1040
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
95-285-0187-3
3/9Design control — primary reference
Timken Gears & Services Inc. Div Philadelphia Gear
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 3040-01-185-9508?
NSN 3040-01-185-9508 is a Shaft,shouldered, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
What are the specifications of 3040-01-185-9508?
Key specifications for 3040-01-185-9508: First End Tongue Thickness: 1.187 INCHES NOMINAL IN; Step Quantity: 13; First End Step Length: 4.875 INCHES NOMINAL IN; Largest Step Diameter: 16.188 INCHES NOMINAL IN. 7 specifications are documented in the U.S. Government catalog.
Is NSN 3040-01-185-9508 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.