NSN 3020-00-931-4840 · NIIN 009314840 · Part number 2541587
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · FSC 3020 — Gears, Pulleys, Sprockets, and Transmission Chain · FSG 30 — Mechanical Power Transmission Equipment · CAGE 10001
Government record, cited
NSN 3020-00-931-4840 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-931-4840. Manufacturer of record part number: 2541587.
Also searched as3020-00-931-4840 ·
3020009314840 ·
NIIN 009314840 ·
00-931-4840 ·
FSC 3020 Gears, Pulleys, Sprockets, and Transmission Chain · CAGE 10001 · 2541587 · 2541587-1
Nominal Distance Between Body Face and Protruding Hub End: 0.250 INCHES FIRST END IN
Nominal Overall Length: 1.250 INCHES IN
Pitch Diameter: 0.6250 INCHES NOMINAL IN
Thread Form Quantity: 1
Identification
NSN: 3020-00-931-4840
NIIN: 009314840
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
FSG: 30 — Mechanical Power Transmission Equipment
Primary part number: 2541587
Manufacturer: Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
General Description
The Gear,worm, cataloged under National Stock Number 3020-00-931-4840, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
3020-00-931-4840
Primary Part Number
2541587
Item Name
Gear,worm
FSC / FSG
3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain
Manufacturer
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
Status
ACTIVE
Thread Form Direction
RIGHT-HAND
Helix Angle
5.7167 DEGREES
Bore Style
PLAIN BOTH ENDS
Nominal Distance Between Body Face and Protruding Hub End
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
No interchangeability data on file.
Other items in FSC 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3020-00-000-0091
GEAR,SPUR
3020-00-001-0027
3020-00-001-0027 · Item name not on file
3020-00-001-0028
3020-00-001-0028 · Item name not on file
3020-00-001-0063
3020-00-001-0063 · Item name not on file
3020-00-001-0064
3020-00-001-0064 · Item name not on file
3020-00-001-0066
3020-00-001-0066 · Item name not on file
3020-00-001-0071
3020-00-001-0071 · Item name not on file
3020-00-001-0072
3020-00-001-0072 · Item name not on file
Frequently Asked Questions
What is NSN 3020-00-931-4840?
NSN 3020-00-931-4840 is a Gear,worm, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
What part numbers are listed for NSN 3020-00-931-4840?
NSN 3020-00-931-4840 has 2 manufacturer part numbers on file: 2541587-1 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 2541587 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
What are the specifications of 2541587?
Key specifications for 2541587: Thread Form Direction: RIGHT-HAND; Helix Angle: 5.7167 DEGREES; Bore Style: PLAIN BOTH ENDS; Nominal Distance Between Body Face and Protruding Hub End: 0.250 INCHES FIRST END IN. 10 specifications are documented in the U.S. Government catalog.
Is NSN 3020-00-931-4840 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.