FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
FSG: 30 — Mechanical Power Transmission Equipment
General Description
The Gear,spur, cataloged under National Stock Number 3020-01-386-3318, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 3 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 8 items share a part number with this NSN in the catalog (possible match — not a government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
3020-01-386-3318
Item Name
Gear,spur
FSC / FSG
3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain
Status
ACTIVE
Bore Nominal Diameter
1.250 INCHES BOTH ENDS IN
Nominal Outside Diameter
3.875 INCHES IN
Material
STEEL COMP 11L17 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 Items8
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
3020-01-386-3343POSSIBLE MATCH
GEAR,SPUR
Possible match (shared part number)
3020-01-386-3466POSSIBLE MATCH
GEAR,SPUR
Possible match (shared part number)
3020-01-386-9865POSSIBLE MATCH
GEAR,SPUR
Possible match (shared part number)
3020-01-386-9880POSSIBLE MATCH
GEAR,SPUR
Possible match (shared part number)
3020-01-387-8348POSSIBLE MATCH
GEAR,INTERNAL
Possible match (shared part number)
3020-01-389-4205POSSIBLE MATCH
GEAR,SPUR
Possible match (shared part number)
6750-01-427-0529POSSIBLE MATCH
FILM,PHOTOGRAPHIC
Possible match (shared part number)
6930-01-530-011610-4892POSSIBLE MATCH
INDICATOR SIMULATED
Possible match (shared part number)Simtek, Inc. Dba Simtek Inc
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
0269695-A NO.40CE1/CE7
5/9Secondary reference
Automax Inc
104892
3/9Design control — primary reference
Automax Inc
0269695-A
D/9Drawing number reference only
Automax Inc
Related Parts
3020-01-386-3343POSSIBLE MATCH
GEAR,SPUR
3020-01-386-3466POSSIBLE MATCH
GEAR,SPUR
3020-01-386-9865POSSIBLE MATCH
GEAR,SPUR
3020-01-386-9880POSSIBLE MATCH
GEAR,SPUR
3020-01-387-8348POSSIBLE MATCH
GEAR,INTERNAL
3020-01-389-4205POSSIBLE MATCH
GEAR,SPUR
6750-01-427-0529POSSIBLE MATCH
FILM,PHOTOGRAPHIC
6930-01-530-0116POSSIBLE MATCH
INDICATOR SIMULATED
10-4892
Frequently Asked Questions
What is NSN 3020-01-386-3318?
NSN 3020-01-386-3318 is a Gear,spur, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
What NSN replaces 3020-01-386-3318?
8 possible matches (shared part number, not a government interchangeability claim): 3020-01-386-3343, 3020-01-386-3466, 3020-01-386-9865. Verify interchangeability with system specifications before substitution.
What are the specifications of 3020-01-386-3318?
Key specifications for 3020-01-386-3318: Bore Nominal Diameter: 1.250 INCHES BOTH ENDS IN; Nominal Outside Diameter: 3.875 INCHES IN; Material: STEEL COMP 11L17 OVERALL. 3 specifications are documented in the U.S. Government catalog.
Is NSN 3020-01-386-3318 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.