NSN 3020-01-732-4840 · NIIN 017324840 · Part number 50135-0558
Timken Gears & Services Inc. Div Philadelphia Gear · FSC 3020 — Gears, Pulleys, Sprockets, and Transmission Chain · FSG 30 — Mechanical Power Transmission Equipment · CAGE 17454
Government record, cited
NSN 3020-01-732-4840 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-732-4840. Manufacturer of record part number: 50135-0558.
Also searched as3020-01-732-4840 ·
3020017324840 ·
NIIN 017324840 ·
01-732-4840 ·
FSC 3020 Gears, Pulleys, Sprockets, and Transmission Chain · CAGE 17454 · 50135-0558 · 01070-0541 ITEM 30 · 01070-0541
Manufacturer of record: Timken Gears & Services Inc. Div Philadelphia Gear
Identification
NSN: 3020-01-732-4840
NIIN: 017324840
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
FSG: 30 — Mechanical Power Transmission Equipment
Primary part number: 50135-0558
Manufacturer: Timken Gears & Services Inc. Div Philadelphia Gear
General Description
The Gear,worm, cataloged under National Stock Number 3020-01-732-4840, 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 Timken Gears & Services Inc. Div Philadelphia Gear. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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
FSC / FSG
3020 — Gears, Pulleys, Sprockets, and Transmission Chain (FSG 30)
Manufacturers
Timken Gears & Services Inc. Div Philadelphia Gear (CAGE 17454)
Technical Specifications
Parameter
Value
NSN
3020-01-732-4840
Primary Part Number
50135-0558
Item Name
Gear,worm
FSC / FSG
3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain
Manufacturer
Timken Gears & Services Inc. Div Philadelphia Gear
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 Items4
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
3040-01-732-488950500-0470POSSIBLE MATCH
WORM SHAFT
Possible match (shared part number)Timken Gears & Services Inc. Div Philadelphia Gear
3040-01-732-497850500-0469POSSIBLE MATCH
WORM SHAFT
Possible match (shared part number)Timken Gears & Services Inc. Div Philadelphia Gear
3110-01-732-51173100-1834/1835POSSIBLE MATCH
CONE,TAPERED ROLLER BEARING
Possible match (shared part number)Timken Gears & Services Inc. Div Philadelphia Gear
3020-01-732-521950135-0559POSSIBLE MATCH
GEAR ASSEMBLY,WORM
Possible match (shared part number)Timken Gears & Services Inc. Div Philadelphia Gear
Timken Gears & Services Inc. Div Philadelphia Gear (USA)
Reference documents
Reference
Meaning
01070-0541 ITEM 30
C/1Advisory reference — outside the item-of-supply concept
Timken Gears & Services Inc. Div Philadelphia Gear
01070-0541
D/9Drawing number reference only
Timken Gears & Services Inc. Div Philadelphia Gear
Related Parts
3040-01-732-4889POSSIBLE MATCH
WORM SHAFT
50500-0470
3040-01-732-4978POSSIBLE MATCH
WORM SHAFT
50500-0469
3110-01-732-5117POSSIBLE MATCH
CONE,TAPERED ROLLER BEARING
3100-1834/1835
3020-01-732-5219POSSIBLE MATCH
GEAR ASSEMBLY,WORM
50135-0559
Frequently Asked Questions
What is NSN 3020-01-732-4840?
NSN 3020-01-732-4840 is a Gear,worm, manufactured by Timken Gears & Services Inc. Div Philadelphia Gear, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
What part numbers are listed for NSN 3020-01-732-4840?
NSN 3020-01-732-4840 has 1 manufacturer part number on file: 50135-0558 (Timken Gears & Services Inc. Div Philadelphia Gear).
What NSN replaces 3020-01-732-4840?
4 possible matches (shared part number, not a government interchangeability claim): 3040-01-732-4889, 3040-01-732-4978, 3110-01-732-5117. Verify interchangeability with system specifications before substitution.
Is NSN 3020-01-732-4840 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.