FSC: 3040 — Miscellaneous Power Transmission Equipment
FSG: 30 — Mechanical Power Transmission Equipment
General Description
The Gearshaft,worm Wheel, cataloged under National Stock Number 3040-01-220-0063, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 4 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government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
3040-01-220-0063
Item Name
Gearshaft,worm Wheel
FSC / FSG
3040 / 30 — Miscellaneous Power Transmission Equipment
Status
ACTIVE
Tooth Direction
RIGHT
Gear Outside Diameter
1.356 INCHES NOMINAL IN
Shaft End Type
KEYWAY FLAT
Mating Thread Lead Quantity
1
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 Items5
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
3020-01-220-0080SSN593-520-1862100 PIECE 4POSSIBLE MATCH
GEAR,BEVEL
Possible match (shared part number)Portsmouth Naval Shipyard
3020-01-220-1243SSN593-520-1862100 PIECE 2POSSIBLE MATCH
GEAR,SPUR
Possible match (shared part number)Portsmouth Naval Shipyard
3020-01-220-1244SSN593-520-1862100 PIECE 3POSSIBLE MATCH
GEAR,SPUR
Possible match (shared part number)Portsmouth Naval Shipyard
3020-01-220-6939SSN593-520-1862100 PIECE 1POSSIBLE MATCH
GEAR,WORM WHEEL
Possible match (shared part number)Portsmouth Naval Shipyard
3040-01-221-1599SSN593-520-1862100 PIECE 7POSSIBLE MATCH
SHAFT,SHOULDERED
Possible match (shared part number)Portsmouth Naval Shipyard
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
SSN593-520-1862100
D/9Drawing number reference only
U.S. Government activity
SSN593-520-1862100 PIECE 6
3/2Design control — primary reference
U.S. Government activity
Related Parts
3020-01-220-0080POSSIBLE MATCH
GEAR,BEVEL
SSN593-520-1862100 PIECE 4
3020-01-220-1243POSSIBLE MATCH
GEAR,SPUR
SSN593-520-1862100 PIECE 2
3020-01-220-1244POSSIBLE MATCH
GEAR,SPUR
SSN593-520-1862100 PIECE 3
3020-01-220-6939POSSIBLE MATCH
GEAR,WORM WHEEL
SSN593-520-1862100 PIECE 1
3040-01-221-1599POSSIBLE MATCH
SHAFT,SHOULDERED
SSN593-520-1862100 PIECE 7
Frequently Asked Questions
What is NSN 3040-01-220-0063?
NSN 3040-01-220-0063 is a Gearshaft,worm Wheel, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
What NSN replaces 3040-01-220-0063?
5 possible matches (shared part number, not a government interchangeability claim): 3020-01-220-0080, 3020-01-220-1243, 3020-01-220-1244. Verify interchangeability with system specifications before substitution.
What are the specifications of 3040-01-220-0063?
Key specifications for 3040-01-220-0063: Tooth Direction: RIGHT; Gear Outside Diameter: 1.356 INCHES NOMINAL IN; Overall Length: 7.625 INCHES NOMINAL IN; Shaft End Type: KEYWAY FLAT. 4 specifications are documented in the U.S. Government catalog.
Is NSN 3040-01-220-0063 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.