NSN 3020-01-386-1844 · NIIN 013861844 · Part number 01070-0281ITEM7-5
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 3020-01-386-1844 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-386-1844. Manufacturer of record part number: 01070-0281ITEM7-5.
Also searched as3020-01-386-1844 ·
3020013861844 ·
NIIN 013861844 ·
01-386-1844 ·
FSC 3020 Gears, Pulleys, Sprockets, and Transmission Chain · CAGE 17454 · 01070-0281ITEM7-5 · 01070-0281 · 50105-6984
Material Document and Classification: AISI 4320H ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Material: STEEL COMP 4320 OVERALL
1 manufacturer part number on file
Manufacturer of record: Timken Gears & Services Inc. Div Philadelphia Gear
Identification
NSN: 3020-01-386-1844
NIIN: 013861844
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
FSG: 30 — Mechanical Power Transmission Equipment
Primary part number: 01070-0281ITEM7-5
Manufacturer: Timken Gears & Services Inc. Div Philadelphia Gear
General Description
The Gear,spur, cataloged under National Stock Number 3020-01-386-1844, 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. Government technical data includes 3 specifications, cited from the U.S. Government catalog. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government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
3020-01-386-1844
Primary Part Number
01070-0281ITEM7-5
Item Name
Gear,spur
FSC / FSG
3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain
Manufacturer
Timken Gears & Services Inc. Div Philadelphia Gear
Status
ACTIVE
Style Designator
FLUSH HUB
Material Document and Classification
AISI 4320H ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Material
STEEL COMP 4320 OVERALL
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 Items6
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
3040-01-386-1861POSSIBLE MATCH
WORM SHAFT
Possible match (shared part number)
3020-01-386-1888POSSIBLE MATCH
GEAR,SPUR
Possible match (shared part number)
3010-01-386-197550290-1268POSSIBLE MATCH
COUPLING,SHAFT,RIGID
Possible match (shared part number)Timken Gears & Services Inc. Div Philadelphia Gear
3010-01-386-3367POSSIBLE MATCH
COUPLING,SHAFT,RIGID
Possible match (shared part number)
4710-01-390-3626POSSIBLE MATCH
TUBE ASSEMBLY,METAL
Possible match (shared part number)
6680-01-407-833435000-1773POSSIBLE MATCH
INDICATOR,SIGHT,LIQUID
Possible match (shared part number)Timken Gears & Services Inc. Div Philadelphia Gear
Timken Gears & Services Inc. Div Philadelphia Gear (USA)
Reference documents
Reference
Meaning
01070-0281
D/9Drawing number reference only
Timken Gears & Services Inc. Div Philadelphia Gear
50105-6984
3/9Design control — primary reference
Timken Gears & Services Inc. Div Philadelphia Gear
Related Parts
3040-01-386-1861POSSIBLE MATCH
WORM SHAFT
3020-01-386-1888POSSIBLE MATCH
GEAR,SPUR
3010-01-386-1975POSSIBLE MATCH
COUPLING,SHAFT,RIGID
50290-1268
3010-01-386-3367POSSIBLE MATCH
COUPLING,SHAFT,RIGID
4710-01-390-3626POSSIBLE MATCH
TUBE ASSEMBLY,METAL
6680-01-407-8334POSSIBLE MATCH
INDICATOR,SIGHT,LIQUID
35000-1773
Frequently Asked Questions
What is NSN 3020-01-386-1844?
NSN 3020-01-386-1844 is a Gear,spur, 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 3020-01-386-1844?
NSN 3020-01-386-1844 has 1 manufacturer part number on file: 01070-0281ITEM7-5 (Timken Gears & Services Inc. Div Philadelphia Gear).
What NSN replaces 3020-01-386-1844?
6 possible matches (shared part number, not a government interchangeability claim): 3040-01-386-1861, 3020-01-386-1888, 3010-01-386-1975. Verify interchangeability with system specifications before substitution.
What are the specifications of 01070-0281ITEM7-5?
Key specifications for 01070-0281ITEM7-5: Style Designator: FLUSH HUB; Material Document and Classification: AISI 4320H ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Material: STEEL COMP 4320 OVERALL. 3 specifications are documented in the U.S. Government catalog.
Is NSN 3020-01-386-1844 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.