FSC: 3040 — Miscellaneous Power Transmission Equipment
FSG: 30 — Mechanical Power Transmission Equipment
General Description
The Shaft,straight, cataloged under National Stock Number 3040-01-667-1790, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Catalog Facts
Item Name
Shaft,straight
FSC / FSG
3040 — Miscellaneous Power Transmission Equipment (FSG 30)
Technical Specifications
Parameter
Value
NSN
3040-01-667-1790
Item Name
Shaft,straight
FSC / FSG
3040 / 30 — Miscellaneous Power Transmission Equipment
Status
ACTIVE
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
⇄Related Items4
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5340-01-667-1830MC240002-96POSSIBLE MATCH
CLIP,SPRING TENSION
Possible match (shared part number)The Boeing Company Div Defense
5315-01-667-1859MC240002-94POSSIBLE MATCH
PIN,STRAIGHT,HEADLESS
Possible match (shared part number)The Boeing Company Div Defense
5315-01-667-1882MC240002-7POSSIBLE MATCH
PIN,STRAIGHT,HEADLESS
Possible match (shared part number)The Boeing Company Div Defense
5315-01-667-1903MC240002-33POSSIBLE MATCH
PIN,STRAIGHT,HEADED
Possible match (shared part number)The Boeing Company Div Defense
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
MC240002-31
3/2Design control — primary reference
U.S. Government activity
MC240002
D/9Drawing number reference only
U.S. Government activity
Related Parts
5340-01-667-1830POSSIBLE MATCH
CLIP,SPRING TENSION
MC240002-96
5315-01-667-1859POSSIBLE MATCH
PIN,STRAIGHT,HEADLESS
MC240002-94
5315-01-667-1882POSSIBLE MATCH
PIN,STRAIGHT,HEADLESS
MC240002-7
5315-01-667-1903POSSIBLE MATCH
PIN,STRAIGHT,HEADED
MC240002-33
Frequently Asked Questions
What is NSN 3040-01-667-1790?
NSN 3040-01-667-1790 is a Shaft,straight, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
What NSN replaces 3040-01-667-1790?
4 possible matches (shared part number, not a government interchangeability claim): 5340-01-667-1830, 5315-01-667-1859, 5315-01-667-1882. Verify interchangeability with system specifications before substitution.
Is NSN 3040-01-667-1790 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.