FSC: 3040 — Miscellaneous Power Transmission Equipment
FSG: 30 — Mechanical Power Transmission Equipment
General Description
The Gearshaft,spur, cataloged under National Stock Number 3040-01-261-1675, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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.
Technical Specifications
Parameter
Value
NSN
3040-01-261-1675
Item Name
Gearshaft,spur
FSC / FSG
3040 / 30 — Miscellaneous Power Transmission Equipment
Status
ACTIVE
Shaft Material
STEEL
Gear Material
STEEL
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.
3950-01-262-1126CB71-42058-1POSSIBLE MATCH
ADAPTER,DISC
Possible match (shared part number)Textron Systems Corporation Dba Textron Systems Corp
3020-01-262-1245POSSIBLE MATCH
GEAR,HELICAL
Possible match (shared part number)
3950-01-263-2290CB71-42073-10POSSIBLE MATCH
ROLLER,RATCHET ASSEMBLY
Possible match (shared part number)Textron Systems Corporation Dba Textron Systems Corp
3950-01-297-9354POSSIBLE MATCH
FRICTION BLOCK,CHAIN WHEEL,HOIST
Possible match (shared part number)
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
CB71-42001 ITEM 91
5/9Secondary reference
U.S. Government activity
CB71-42001
D/9Drawing number reference only
U.S. Government activity
CB71-42136-1
3/9Design control — primary reference
U.S. Government activity
Related Parts
3950-01-262-1126POSSIBLE MATCH
ADAPTER,DISC
CB71-42058-1
3020-01-262-1245POSSIBLE MATCH
GEAR,HELICAL
3950-01-263-2290POSSIBLE MATCH
ROLLER,RATCHET ASSEMBLY
CB71-42073-10
3950-01-297-9354POSSIBLE MATCH
FRICTION BLOCK,CHAIN WHEEL,HOIST
Frequently Asked Questions
What is NSN 3040-01-261-1675?
NSN 3040-01-261-1675 is a Gearshaft,spur, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
What NSN replaces 3040-01-261-1675?
4 possible matches (shared part number, not a government interchangeability claim): 3950-01-262-1126, 3020-01-262-1245, 3950-01-263-2290. Verify interchangeability with system specifications before substitution.
What are the specifications of 3040-01-261-1675?
Key specifications for 3040-01-261-1675: Shaft Material: STEEL; Gear Material: STEEL. 2 specifications are documented in the U.S. Government catalog.
Is NSN 3040-01-261-1675 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.