Gear, Spur3020-00-780-7976

NSN 3020-00-780-7976 · NIIN 007807976

FSC 3020 — Gears, Pulleys, Sprockets, and Transmission Chain · FSG 30 — Mechanical Power Transmission Equipment

Government record, cited

Also searched as 3020-00-780-7976 · 3020007807976 · NIIN 007807976 · 00-780-7976 · FSC 3020 Gears, Pulleys, Sprockets, and Transmission Chain

Nearby stock numbers ← 3020-00-780-7870 Gear, Worm · 3020-00-780-7978 →

Features

Gear,spur — FSC 3020
Bore Nominal Diameter: 0.562 INCHES BOTH ENDS IN
Teeth Quantity: 168
Body Style: PLAIN, SOLID
Bore Style: PLAIN BOTH ENDS
Style Designator: HUBLESS
Material Document and Classification: QQ-A-250/11,T6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Pitch Diameter: 2.6280 INCHES NOMINAL IN

Identification

NSN: 3020-00-780-7976
NIIN: 007807976
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
FSG: 30 — Mechanical Power Transmission Equipment

General Description

The Gear,spur, cataloged under National Stock Number 3020-00-780-7976, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 13 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	3020-00-780-7976
Item Name	Gear,spur
FSC / FSG	3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain
Status	ACTIVE
Bore Nominal Diameter	0.562 INCHES BOTH ENDS IN
Teeth Quantity	168
Body Style	PLAIN, SOLID
Bore Style	PLAIN BOTH ENDS
Style Designator	HUBLESS
Material Document and Classification	QQ-A-250/11,T6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Pitch Diameter	2.6280 INCHES NOMINAL IN
Tooth Form	STANDARD
Nominal Outside Diameter	2.656 INCHES IN
Surface Treatment	ANODIZE OVERALL
Pressure Angle	20.0000 DEGREES
Material	ALUMINUM ALLOY 6061 OVERALL
Face Nominal Width	0.125 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

Cross-Reference Index

No manufacturer part numbers on file in the U.S. Government catalog.

Reference documents

Reference	Meaning
549-7783-002	3/2 Design control — primary reference U.S. Government activity

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.

3020-00-001-2090

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 3020-00-780-7976?

NSN 3020-00-780-7976 is a Gear,spur, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.

What are the specifications of 3020-00-780-7976?

Key specifications for 3020-00-780-7976: Bore Nominal Diameter: 0.562 INCHES BOTH ENDS IN; Teeth Quantity: 168; Body Style: PLAIN, SOLID; Bore Style: PLAIN BOTH ENDS. 13 specifications are documented in the U.S. Government catalog.

Is NSN 3020-00-780-7976 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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