Gear Cluster3020-01-256-6042

NSN 3020-01-256-6042 · NIIN 012566042

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

Government record, cited

Also searched as 3020-01-256-6042 · 3020012566042 · NIIN 012566042 · 01-256-6042 · FSC 3020 Gears, Pulleys, Sprockets, and Transmission Chain

Nearby stock numbers ← 3020-01-256-5646 · 3020-01-256-6043 Gear, Spur →

Features

Gear Cluster — FSC 3020
Design Type: SPUR ALL GEARS
Nominal Outside Diameter: 1.917 INCHES FIRST GEAR IN
Surface Treatment: PASSIVATE OVERALL
Material: STEEL OVERALL
Construction: ASSEMBLED

Identification

NSN: 3020-01-256-6042
NIIN: 012566042
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
FSG: 30 — Mechanical Power Transmission Equipment

General Description

The Gear Cluster, cataloged under National Stock Number 3020-01-256-6042, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 5 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	3020-01-256-6042
Item Name	Gear Cluster
FSC / FSG	3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain
Status	ACTIVE
Design Type	SPUR ALL GEARS
Nominal Outside Diameter	1.917 INCHES FIRST GEAR IN
Surface Treatment	PASSIVATE OVERALL
Material	STEEL OVERALL
Construction	ASSEMBLED

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
521761-2	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 3020-01-256-6042?

NSN 3020-01-256-6042 is a Gear Cluster, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.

What are the specifications of 3020-01-256-6042?

Key specifications for 3020-01-256-6042: Design Type: SPUR ALL GEARS; Nominal Outside Diameter: 1.917 INCHES FIRST GEAR IN; Surface Treatment: PASSIVATE OVERALL; Material: STEEL OVERALL. 5 specifications are documented in the U.S. Government catalog.

Is NSN 3020-01-256-6042 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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