NSN 3020-00-451-4668 · NIIN 004514668 · Part number 0775-444
Northrop Grumman Systems Corporation · FSC 3020 — Gears, Pulleys, Sprockets, and Transmission Chain · FSG 30 — Mechanical Power Transmission Equipment · CAGE 03956
Government record, cited
NSN 3020-00-451-4668 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-451-4668. Manufacturer of record part number: 0775-444.
Also searched as3020-00-451-4668 ·
3020004514668 ·
NIIN 004514668 ·
00-451-4668 ·
FSC 3020 Gears, Pulleys, Sprockets, and Transmission Chain · CAGE 03956 · 0775-444 · NAS726013144T4 · NAS726
Nominal Distance Between Body Face and Protruding Hub End: 0.229 INCHES FIRST END IN
Style Designator: PROTRUDING HUB
Identification
NSN: 3020-00-451-4668
NIIN: 004514668
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
FSG: 30 — Mechanical Power Transmission Equipment
Primary part number: 0775-444
Manufacturer: Northrop Grumman Systems Corporation
General Description
The Gear,spur, cataloged under National Stock Number 3020-00-451-4668, 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 Northrop Grumman Systems Corporation. Government technical data includes 15 specifications, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government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
3020-00-451-4668
Primary Part Number
0775-444
Item Name
Gear,spur
FSC / FSG
3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain
Manufacturer
Northrop Grumman Systems Corporation
Status
ACTIVE
Bore Nominal Diameter
0.226 INCHES BOTH ENDS IN
Hub Nominal Diameter
0.240 INCHES FIRST END IN
Teeth Quantity
144
Body Style
PLAIN, SOLID
Bore Style
PLAIN BOTH ENDS
Nominal Distance Between Body Face and Protruding Hub End
0.229 INCHES FIRST END IN
Style Designator
PROTRUDING HUB
Pitch Diameter
3.0000 INCHES NOMINAL IN
Tooth Form
STANDARD
Hub Style Designator
PINNED FIRST END
Nominal Outside Diameter
3.041 INCHES IN
Surface Treatment
ANODIZE OVERALL
Pressure Angle
20.0000 DEGREES
Material
ALUMINUM ALLOY OVERALL
Face Nominal Width
0.093 INCHES IN
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.
3020-01-009-7701NAS726D26096A6POSSIBLE MATCH
GEAR,SPUR
Possible match (shared part number)National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
3020-01-227-4276NAS726D13020T2POSSIBLE MATCH
GEAR,SPUR
Possible match (shared part number)National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
3020-01-233-5044NAS726D22176T6POSSIBLE MATCH
GEAR,SPUR
Possible match (shared part number)National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
3020-01-255-5585NAS726D12084T4POSSIBLE MATCH
GEAR,SPUR
Possible match (shared part number)National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
3020-01-373-4172NAS726D13134T4POSSIBLE MATCH
GEAR,SPUR
Possible match (shared part number)National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
NSN 3020-00-451-4668 is a Gear,spur, manufactured by Northrop Grumman Systems Corporation, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
What part numbers are listed for NSN 3020-00-451-4668?
NSN 3020-00-451-4668 has 1 manufacturer part number on file: 0775-444 (Northrop Grumman Systems Corporation).
What NSN replaces 3020-00-451-4668?
5 possible matches (shared part number, not a government interchangeability claim): 3020-01-009-7701, 3020-01-227-4276, 3020-01-233-5044. Verify interchangeability with system specifications before substitution.
What are the specifications of 0775-444?
Key specifications for 0775-444: Bore Nominal Diameter: 0.226 INCHES BOTH ENDS IN; Hub Nominal Diameter: 0.240 INCHES FIRST END IN; Teeth Quantity: 144; Body Style: PLAIN, SOLID. 15 specifications are documented in the U.S. Government catalog.
Is NSN 3020-00-451-4668 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.