PartsTable TECHNICAL DATA SHEET

NSN 3020-01-016-4689Government record, cited

Gear, Spur3020-01-016-4689

NSN 3020-01-016-4689 · NIIN 010164689 · Part number GRD24820

Northrop Grumman Systems Corporation · FSC 3020 — Gears, Pulleys, Sprockets, and Transmission Chain · FSG 30 — Mechanical Power Transmission Equipment · CAGE 26512

Government record, cited

NSN 3020-01-016-4689 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-016-4689. Manufacturer of record part number: GRD24820.

Also searched as 3020-01-016-4689 · 3020010164689 · NIIN 010164689 · 01-016-4689 · FSC 3020 Gears, Pulleys, Sprockets, and Transmission Chain · CAGE 26512 · GRD24820

Nearby stock numbers ← 3020-01-016-4688 Gear, Internal · 3020-01-016-5001 Gear Cluster →

Features

Gear,spur — FSC 3020
Teeth Quantity: 104
Mounting Hole Type and Quantity: 32 PLAIN AXIALLY THROUGH BODY FIRST END
Mounting Hole Nominal Diameter: 0.322 INCHES AXIALLY THROUGH BODY FIRST END IN
Hardness Rating: 36.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM OVERALL
Tooth Form: STANDARD
Pressure Angle: 20.0000 DEGREES
Material: STEEL OVERALL

Identification

NSN: 3020-01-016-4689
NIIN: 010164689
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
FSG: 30 — Mechanical Power Transmission Equipment
Primary part number: GRD24820
Manufacturer: Northrop Grumman Systems Corporation

General Description

The Gear,spur, cataloged under National Stock Number 3020-01-016-4689, 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 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	3020-01-016-4689
Primary Part Number	GRD24820
Item Name	Gear,spur
FSC / FSG	3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain
Manufacturer	Northrop Grumman Systems Corporation
Status	ACTIVE
Teeth Quantity	104
Mounting Hole Type and Quantity	32 PLAIN AXIALLY THROUGH BODY FIRST END
Mounting Hole Nominal Diameter	0.322 INCHES AXIALLY THROUGH BODY FIRST END IN
Hardness Rating	36.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM OVERALL
Tooth Form	STANDARD
Pressure Angle	20.0000 DEGREES
Material	STEEL OVERALL
Bolt Hole Circle Nominal Diameter	10.500 INCHES AXIALLY THROUGH BODY FIRST END IN
Attachment Method	MOUNTING HOLE

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

Cross-Reference Index

Part Number	Manufacturer
GRD24820 PRIMARY	Northrop Grumman Systems Corporation (USA)
GRD24820	Mpc Products Corporation Dba Woodward Mpc, Inc. (USA)

Reference documents

Reference	Meaning
GRD24820	5/9 Secondary reference Speco Corp

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 3020-01-016-4689?

NSN 3020-01-016-4689 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 3020-01-016-4689?

NSN 3020-01-016-4689 has 2 manufacturer part numbers on file: GRD24820 (Northrop Grumman Systems Corporation), GRD24820 (Mpc Products Corporation Dba Woodward Mpc, Inc.).

What are the specifications of GRD24820?

Key specifications for GRD24820: Teeth Quantity: 104; Mounting Hole Type and Quantity: 32 PLAIN AXIALLY THROUGH BODY FIRST END; Mounting Hole Nominal Diameter: 0.322 INCHES AXIALLY THROUGH BODY FIRST END IN; Hardness Rating: 36.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM OVERALL. 9 specifications are documented in the U.S. Government catalog.

Is NSN 3020-01-016-4689 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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