Gear Cluster3020-01-349-7870

NSN 3020-01-349-7870 · NIIN 013497870 · Part number 8521-15

Cef Industries, Llc Dba Cef Industries Inc · FSC 3020 — Gears, Pulleys, Sprockets, and Transmission Chain · FSG 30 — Mechanical Power Transmission Equipment · CAGE 00268

Government record, cited

NSN 3020-01-349-7870 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-349-7870. Manufacturer of record part number: 8521-15.

Also searched as 3020-01-349-7870 · 3020013497870 · NIIN 013497870 · 01-349-7870 · FSC 3020 Gears, Pulleys, Sprockets, and Transmission Chain · CAGE 00268 · 8521-15

Nearby stock numbers ← 3020-01-349-7862 Guard, Mechanical Drive · 3020-01-349-7871 →

Features

Gear Cluster — FSC 3020
1 manufacturer part number on file
Manufacturer of record: Cef Industries, Llc Dba Cef Industries Inc

Identification

NSN: 3020-01-349-7870
NIIN: 013497870
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
FSG: 30 — Mechanical Power Transmission Equipment
Primary part number: 8521-15
Manufacturer: Cef Industries, Llc Dba Cef Industries Inc

General Description

The Gear Cluster, cataloged under National Stock Number 3020-01-349-7870, 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 Cef Industries, Llc Dba Cef Industries Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	3020-01-349-7870
Primary Part Number	8521-15
Item Name	Gear Cluster
FSC / FSG	3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain
Manufacturer	Cef Industries, Llc Dba Cef Industries Inc
Status	ACTIVE

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

⇄ Related Items 1

Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.

1005-01-526-7354MFX-85211-5 POSSIBLE MATCH

CLEANING KIT,GUN

Possible match (shared part number)Otis Products, Inc. Dba Otis Technology

Cross-Reference Index

Part Number	Manufacturer
8521-15 PRIMARY	Cef Industries, Llc Dba Cef Industries Inc (USA)

Related Parts

1005-01-526-7354POSSIBLE MATCH

CLEANING KIT,GUN

MFX-85211-5

Frequently Asked Questions

What is NSN 3020-01-349-7870?

NSN 3020-01-349-7870 is a Gear Cluster, manufactured by Cef Industries, Llc Dba Cef Industries Inc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.

What part numbers are listed for NSN 3020-01-349-7870?

NSN 3020-01-349-7870 has 1 manufacturer part number on file: 8521-15 (Cef Industries, Llc Dba Cef Industries Inc).

What NSN replaces 3020-01-349-7870?

1 possible match (shared part number, not a government interchangeability claim): 1005-01-526-7354. Verify interchangeability with system specifications before substitution.

What are the specifications of 8521-15?

Key specifications for 8521-15: End Item Identification: MAIN LANDING GEAR C-130 ACFT. 0 specifications are documented in the U.S. Government catalog.

Is NSN 3020-01-349-7870 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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