PartsTable TECHNICAL DATA SHEET
NSN 3020-01-119-3820Government record, cited

Cover, Seal Support and Bearing R3020-01-119-3820

NSN 3020-01-119-3820 · NIIN 011193820 · Part number 6477-20
Eastern Gear Corporation · FSC 3020 — Gears, Pulleys, Sprockets, and Transmission Chain · FSG 30 — Mechanical Power Transmission Equipment · CAGE 23715
Government record, cited
NSN 3020-01-119-3820 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-119-3820. Manufacturer of record part number: 6477-20.
Also searched as  3020-01-119-3820 · 3020011193820 · NIIN 011193820 · 01-119-3820 · FSC 3020 Gears, Pulleys, Sprockets, and Transmission Chain · CAGE 23715 · 6477-20
Nearby stock numbers  ·
Features
  • Cover,seal Support and Bearing R — FSC 3020
  • General Characteristics Item Description: ALUMINUM,COVER,FLANGE END
  • 1 manufacturer part number on file
  • Manufacturer of record: Eastern Gear Corporation
Identification
  • NSN: 3020-01-119-3820
  • NIIN: 011193820
  • FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
  • FSG: 30 — Mechanical Power Transmission Equipment
  • Primary part number: 6477-20
  • Manufacturer: Eastern Gear Corporation
General Description

The Cover,seal Support and Bearing R, cataloged under National Stock Number 3020-01-119-3820, 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 Eastern Gear 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. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-01-119-3820
Primary Part Number6477-20
Item NameCover,seal Support and Bearing R
FSC / FSG3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain
ManufacturerEastern Gear Corporation
StatusACTIVE
General Characteristics Item DescriptionALUMINUM,COVER,FLANGE END
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
6477-20 PRIMARY Eastern Gear Corporation (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 3020-01-119-3820?

NSN 3020-01-119-3820 is a Cover,seal Support and Bearing R, manufactured by Eastern Gear Corporation, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.

What part numbers are listed for NSN 3020-01-119-3820?

NSN 3020-01-119-3820 has 1 manufacturer part number on file: 6477-20 (Eastern Gear Corporation).

What are the specifications of 6477-20?

Key specifications for 6477-20: General Characteristics Item Description: ALUMINUM,COVER,FLANGE END; End Item Identification: SPEED DECREASER,PRECISION V-GLIDE CO.MODEL V-6400/7700NRB-P. 1 specification is documented in the U.S. Government catalog.

Is NSN 3020-01-119-3820 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.
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