NSN 3020-01-149-7499 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-149-7499. Manufacturer of record part number: C447A-1.
Also searched as3020-01-149-7499 ·
3020011497499 ·
NIIN 011497499 ·
01-149-7499 ·
FSC 3020 Gears, Pulleys, Sprockets, and Transmission Chain · CAGE 12763 · C447A-1
General Characteristics Item Description: DIMENSIONS: 13.750 IN OUTSIDE DIA, 9.000 IN BORE DIA, 3/4 FACE; MATERIAL: CAST IRON IN
1 manufacturer part number on file
Manufacturer of record: Dynalec Corporation
Identification
NSN: 3020-01-149-7499
NIIN: 011497499
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
FSG: 30 — Mechanical Power Transmission Equipment
Primary part number: C447A-1
Manufacturer: Dynalec Corporation
General Description
The Ring Gear, cataloged under National Stock Number 3020-01-149-7499, 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 Dynalec Corporation. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
3020-01-149-7499
Primary Part Number
C447A-1
Item Name
Ring Gear
FSC / FSG
3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain
Manufacturer
Dynalec Corporation
Status
ACTIVE
General Characteristics Item Description
DIMENSIONS: 13.750 IN OUTSIDE DIA, 9.000 IN BORE DIA, 3/4 FACE; MATERIAL: CAST IRON IN
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 3020-01-149-7499?
NSN 3020-01-149-7499 is a Ring Gear, manufactured by Dynalec Corporation, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
What part numbers are listed for NSN 3020-01-149-7499?
NSN 3020-01-149-7499 has 1 manufacturer part number on file: C447A-1 (Dynalec Corporation).
What are the specifications of C447A-1?
Key specifications for C447A-1: General Characteristics Item Description: DIMENSIONS: 13.750 IN OUTSIDE DIA, 9.000 IN BORE DIA, 3/4 FACE; MATERIAL: CAST IRON IN. 1 specification is documented in the U.S. Government catalog.
Is NSN 3020-01-149-7499 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.