PartsTable TECHNICAL DATA SHEET

NSN 3020-01-034-6524Government record, cited

Gear, Antibacklash, Spur3020-01-034-6524

NSN 3020-01-034-6524 · NIIN 010346524

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

Government record, cited

Also searched as 3020-01-034-6524 · 3020010346524 · NIIN 010346524 · 01-034-6524 · FSC 3020 Gears, Pulleys, Sprockets, and Transmission Chain

Nearby stock numbers ← 3020-01-034-6523 Gear, Spur · 3020-01-034-6525 Gear, Antibacklash, Spur →

Features

Gear,antibacklash,spur — FSC 3020
Backlash Designation: GRADE E
Teeth Quantity: 256
Precision Classification: QUALITY NUMBER 12
Nominal Overall Length: 0.7500 INCHES IN
Style Designator: PROTRUDING HUB
Pitch Diameter: 4.0000 INCHES NOMINAL IN
Tooth Form: STANDARD

Identification

NSN: 3020-01-034-6524
NIIN: 010346524
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
FSG: 30 — Mechanical Power Transmission Equipment

General Description

The Gear,antibacklash,spur, cataloged under National Stock Number 3020-01-034-6524, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 11 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	3020-01-034-6524
Item Name	Gear,antibacklash,spur
FSC / FSG	3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain
Status	ACTIVE
Backlash Designation	GRADE E
Teeth Quantity	256
Precision Classification	QUALITY NUMBER 12
Nominal Overall Length	0.7500 INCHES IN
Style Designator	PROTRUDING HUB
Pitch Diameter	4.0000 INCHES NOMINAL IN
Tooth Form	STANDARD
Nominal Outside Diameter	4.0310 INCHES IN
Surface Treatment	PASSIVATE OVERALL
Attachment Method	CLAMP
Face Nominal Width	0.1400 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
SM-F-715275	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.

3020-00-000-0091

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 3020-01-034-6524?

NSN 3020-01-034-6524 is a Gear,antibacklash,spur, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.

What are the specifications of 3020-01-034-6524?

Key specifications for 3020-01-034-6524: Backlash Designation: GRADE E; Teeth Quantity: 256; Precision Classification: QUALITY NUMBER 12; Nominal Overall Length: 0.7500 INCHES IN. 11 specifications are documented in the U.S. Government catalog.

Is NSN 3020-01-034-6524 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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