PartsTable TECHNICAL DATA SHEET

NSN 3020-00-147-9278Government record, cited

Gear, Spur3020-00-147-9278

NSN 3020-00-147-9278 · NIIN 001479278 · Part number 563-4B

Ontic Engineering & Manufacturing, Inc Dba Ontic Us · FSC 3020 — Gears, Pulleys, Sprockets, and Transmission Chain · FSG 30 — Mechanical Power Transmission Equipment · CAGE 45934

Government record, cited

NSN 3020-00-147-9278 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-147-9278. Manufacturer of record part number: 563-4B.

Also searched as 3020-00-147-9278 · 3020001479278 · NIIN 001479278 · 00-147-9278 · FSC 3020 Gears, Pulleys, Sprockets, and Transmission Chain · CAGE 45934 · 563-4B

Nearby stock numbers ← 3020-00-147-8603 Pulley · 3020-00-148-0005 →

Features

Gear,spur — FSC 3020
1 manufacturer part number on file
Manufacturer of record: Ontic Engineering & Manufacturing, Inc Dba Ontic Us

Identification

NSN: 3020-00-147-9278
NIIN: 001479278
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
FSG: 30 — Mechanical Power Transmission Equipment
Primary part number: 563-4B
Manufacturer: Ontic Engineering & Manufacturing, Inc Dba Ontic Us

General Description

The Gear,spur, cataloged under National Stock Number 3020-00-147-9278, 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 Ontic Engineering & Manufacturing, Inc Dba Ontic Us. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Catalog Facts

Item Name	Gear,spur
FSC / FSG	3020 — Gears, Pulleys, Sprockets, and Transmission Chain (FSG 30)
Manufacturers	Ontic Engineering & Manufacturing, Inc Dba Ontic Us (CAGE 45934)

Technical Specifications

Parameter	Value
NSN	3020-00-147-9278
Primary Part Number	563-4B
Item Name	Gear,spur
FSC / FSG	3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain
Manufacturer	Ontic Engineering & Manufacturing, Inc Dba Ontic Us
Status	ACTIVE

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)

Cross-Reference Index

Part Number	Manufacturer
563-4B PRIMARY	Ontic Engineering & Manufacturing, Inc Dba Ontic Us (USA)

Reference documents

Reference	Meaning
563-4B	5/9 Secondary reference Donallco Inc

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 3020-00-147-9278?

NSN 3020-00-147-9278 is a Gear,spur, manufactured by Ontic Engineering & Manufacturing, Inc Dba Ontic Us, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.

What part numbers are listed for NSN 3020-00-147-9278?

NSN 3020-00-147-9278 has 1 manufacturer part number on file: 563-4B (Ontic Engineering & Manufacturing, Inc Dba Ontic Us).

Is NSN 3020-00-147-9278 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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