Gear Cluster3020-01-025-5974

NSN 3020-01-025-5974 · NIIN 010255974

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

Government record, cited

Also searched as 3020-01-025-5974 · 3020010255974 · NIIN 010255974 · 01-025-5974 · FSC 3020 Gears, Pulleys, Sprockets, and Transmission Chain

Nearby stock numbers ← 3020-01-025-5973 · 3020-01-025-5975 →

Features

Gear Cluster — FSC 3020
Bore Nominal Diameter: 0.250 INCHES BOTH ENDS IN
Surface Treatment Document and Classification: MIL-F-14072,FINISH E300 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
Design Type: SPUR SECOND GEAR
Design Type: SPUR FIRST GEAR
Bore Style: PLAIN BOTH ENDS
Precision Classification: QUALITY NUMBER 10 OR QUALITY NUMBER 11 FIRST GEAR
Nominal Overall Length: 0.437 INCHES IN

Identification

NSN: 3020-01-025-5974
NIIN: 010255974
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
FSG: 30 — Mechanical Power Transmission Equipment

General Description

The Gear Cluster, cataloged under National Stock Number 3020-01-025-5974, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	3020-01-025-5974
Item Name	Gear Cluster
FSC / FSG	3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain
Status	ACTIVE
Bore Nominal Diameter	0.250 INCHES BOTH ENDS IN
Surface Treatment Document and Classification	MIL-F-14072,FINISH E300 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
Design Type	SPUR SECOND GEAR
Design Type	SPUR FIRST GEAR
Bore Style	PLAIN BOTH ENDS
Precision Classification	QUALITY NUMBER 10 OR QUALITY NUMBER 11 FIRST GEAR
Nominal Overall Length	0.437 INCHES IN
Hub Nominal Length	0.187 INCHES BETWEEN FIRST AND SECOND GEAR IN
Surface Treatment	PASSIVATE 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	N

Cross-Reference Index

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

Reference documents

Reference	Meaning
25000028-1	3/9 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 3020-01-025-5974?

NSN 3020-01-025-5974 is a Gear Cluster, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.

What are the specifications of 3020-01-025-5974?

Key specifications for 3020-01-025-5974: Bore Nominal Diameter: 0.250 INCHES BOTH ENDS IN; Surface Treatment Document and Classification: MIL-F-14072,FINISH E300 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Design Type: SPUR SECOND GEAR; Design Type: SPUR FIRST GEAR. 10 specifications are documented in the U.S. Government catalog.

Is NSN 3020-01-025-5974 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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