NSN 3020-00-138-2007 · NIIN 001382007 · Part number 55540
Altra Industrial Motion Corp. · FSC 3020 — Gears, Pulleys, Sprockets, and Transmission Chain · FSG 30 — Mechanical Power Transmission Equipment · CAGE 71041
Government record, cited
NSN 3020-00-138-2007 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-138-2007. Manufacturer of record part number: 55540.
Also searched as3020-00-138-2007 ·
3020001382007 ·
NIIN 001382007 ·
00-138-2007 ·
FSC 3020 Gears, Pulleys, Sprockets, and Transmission Chain · CAGE 71041 · 55540
Manufacturer of record: Altra Industrial Motion Corp.
Identification
NSN: 3020-00-138-2007
NIIN: 001382007
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
FSG: 30 — Mechanical Power Transmission Equipment
Primary part number: 55540
Manufacturer: Altra Industrial Motion Corp.
General Description
The Gear,worm Wheel, cataloged under National Stock Number 3020-00-138-2007, 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 Altra Industrial Motion Corp.. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Catalog Facts
Item Name
Gear,worm Wheel
FSC / FSG
3020 — Gears, Pulleys, Sprockets, and Transmission Chain (FSG 30)
Manufacturers
Altra Industrial Motion Corp. (CAGE 71041)
Technical Specifications
Parameter
Value
NSN
3020-00-138-2007
Primary Part Number
55540
Item Name
Gear,worm Wheel
FSC / FSG
3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain
Manufacturer
Altra Industrial Motion Corp.
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 Items3
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5325-00-687-335655540POSSIBLE MATCH
RING,RETAINING
Possible match (shared part number)Eaton Aerospace, Llc Dba Jackson South
4320-01-056-4958M4C-043-IN-00A102POSSIBLE MATCH
MOTOR,HYDRAULIC
Possible match (shared part number)Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division
1290-01-641-9808055540POSSIBLE MATCH
PANEL,INDICATOR
Possible match (shared part number)Westerbeke Corporation
NSN 3020-00-138-2007 is a Gear,worm Wheel, manufactured by Altra Industrial Motion Corp., classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
What part numbers are listed for NSN 3020-00-138-2007?
NSN 3020-00-138-2007 has 1 manufacturer part number on file: 55540 (Altra Industrial Motion Corp.).
What NSN replaces 3020-00-138-2007?
3 possible matches (shared part number, not a government interchangeability claim): 5325-00-687-3356, 4320-01-056-4958, 1290-01-641-9808. Verify interchangeability with system specifications before substitution.
Is NSN 3020-00-138-2007 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.