NSN 3020-00-730-2439 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-730-2439. Manufacturer of record part number: BL2474.
Also searched as3020-00-730-2439 ·
3020007302439 ·
NIIN 007302439 ·
00-730-2439 ·
FSC 3020 Gears, Pulleys, Sprockets, and Transmission Chain · CAGE 08484 · BL2474
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
FSG: 30 — Mechanical Power Transmission Equipment
Primary part number: BL2474
Manufacturer: Breeze-Eastern Llc
General Description
The Ratchet Wheel, cataloged under National Stock Number 3020-00-730-2439, 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 Breeze-Eastern Llc. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
3020-00-730-2439
Primary Part Number
BL2474
Item Name
Ratchet Wheel
FSC / FSG
3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain
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.
3020-00-001-2090
3020-00-001-2090 · Item name not on file
3020-00-001-4468
3020-00-001-4468 · Item name not on file
3020-00-007-2779
GEAR,ANTIBACKLASH,SPUR
3020-00-009-4033
GEAR,SPUR
3020-00-031-2269
3020-00-031-2269 · Item name not on file
3020-00-146-4181
GEAR,IDLER
3020-00-146-4222
GEAR,IDLER
3020-00-425-7115
GEAR,HELICAL
Frequently Asked Questions
What is NSN 3020-00-730-2439?
NSN 3020-00-730-2439 is a Ratchet Wheel, manufactured by Breeze-Eastern Llc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
What part numbers are listed for NSN 3020-00-730-2439?
NSN 3020-00-730-2439 has 1 manufacturer part number on file: BL2474 (Breeze-Eastern Llc).
What are the specifications of BL2474?
Key specifications for BL2474: Teeth Quantity: 60; Overall Length: 5.226 INCHES NOMINAL IN; Special Features: 0.240 IN. THK, 3 1/4-28 HOLES ON 4.030 IN. DIA, 6.386 IN. DIA CSINK HOLES ON 4.625 IN. DIA IN; End Item Identification: W/SHELICOPTER SEA KING H3. 1 specification is documented in the U.S. Government catalog.
Is NSN 3020-00-730-2439 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.