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NSN 3020-01-422-5558Government record, cited

Gear, Internal3020-01-422-5558

NSN 3020-01-422-5558 · NIIN 014225558 · Part number 7-18-147
Akron Brass Company · FSC 3020 — Gears, Pulleys, Sprockets, and Transmission Chain · FSG 30 — Mechanical Power Transmission Equipment · CAGE 00912
Government record, cited
NSN 3020-01-422-5558 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-422-5558. Manufacturer of record part number: 7-18-147.
Also searched as  3020-01-422-5558 · 3020014225558 · NIIN 014225558 · 01-422-5558 · FSC 3020 Gears, Pulleys, Sprockets, and Transmission Chain · CAGE 00912 · 7-18-147
Nearby stock numbers  ·
Features
  • Gear,internal — FSC 3020
  • Nominal Overall Length: 1.2500 INCHES IN
  • Style Designator: PLAIN RING
  • Nominal Outside Diameter: 2.3750 INCHES IN
  • Material: STEEL OVERALL
  • 2 manufacturer part numbers on file
  • Manufacturer of record: Akron Brass Company
Identification
  • NSN: 3020-01-422-5558
  • NIIN: 014225558
  • FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
  • FSG: 30 — Mechanical Power Transmission Equipment
  • Primary part number: 7-18-147
  • Manufacturer: Akron Brass Company
General Description

The Gear,internal, cataloged under National Stock Number 3020-01-422-5558, 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 Akron Brass Company. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-01-422-5558
Primary Part Number7-18-147
Item NameGear,internal
FSC / FSG3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain
ManufacturerAkron Brass Company
StatusACTIVE
Nominal Overall Length1.2500 INCHES IN
Style DesignatorPLAIN RING
Nominal Outside Diameter2.3750 INCHES IN
MaterialSTEEL OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
7-18-147 Chubb Fire & Security Pty Ltd (AUS)
7-18-147 PRIMARY Akron Brass Company (USA)
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 3020-01-422-5558?

NSN 3020-01-422-5558 is a Gear,internal, manufactured by Akron Brass Company, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.

What part numbers are listed for NSN 3020-01-422-5558?

NSN 3020-01-422-5558 has 2 manufacturer part numbers on file: 7-18-147 (Chubb Fire & Security Pty Ltd), 7-18-147 (Akron Brass Company).

What are the specifications of 7-18-147?

Key specifications for 7-18-147: Nominal Overall Length: 1.2500 INCHES IN; Style Designator: PLAIN RING; Nominal Outside Diameter: 2.3750 INCHES IN; End Item Identification: P-23 FIRE TRUCK. 4 specifications are documented in the U.S. Government catalog.

Is NSN 3020-01-422-5558 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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