NSN 3020-01-399-1850 · NIIN 013991850 · Part number 167-6404330 FIND 14
Naval Sea Systems Command · FSC 3020 — Gears, Pulleys, Sprockets, and Transmission Chain · FSG 30 — Mechanical Power Transmission Equipment · CAGE 53711
Government record, cited
NSN 3020-01-399-1850 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-399-1850. Manufacturer of record part number: 167-6404330 FIND 14.
Also searched as3020-01-399-1850 ·
3020013991850 ·
NIIN 013991850 ·
01-399-1850 ·
FSC 3020 Gears, Pulleys, Sprockets, and Transmission Chain · CAGE 53711 · 167-6404330 FIND 14 · 167-6404330
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
FSG: 30 — Mechanical Power Transmission Equipment
Primary part number: 167-6404330 FIND 14
Manufacturer: Naval Sea Systems Command
General Description
The Gear,spur, cataloged under National Stock Number 3020-01-399-1850, 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 Naval Sea Systems Command. Government technical data includes 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 9 items share a part number with this NSN in the catalog (possible match — not a government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
3020-01-399-1850
Primary Part Number
167-6404330 FIND 14
Item Name
Gear,spur
FSC / FSG
3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain
Manufacturer
Naval Sea Systems Command
Status
ACTIVE
Bore Nominal Diameter
1.188 INCHES BOTH ENDS IN
Teeth Quantity
28
Body Style
PLAIN, SOLID
Bore Style
PLAIN BOTH ENDS
Style Designator
HUBLESS
Pitch Diameter
3.5000 INCHES NOMINAL IN
Nominal Outside Diameter
3.748 INCHES IN
Pressure Angle
20.0000 DEGREES
Material
BRONZE OVERALL
Face Nominal Width
0.632 INCHES IN
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 Items9
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
3040-01-399-1856167-6404330 FIND 26POSSIBLE MATCH
CONNECTING LINK,RIGID
Possible match (shared part number)Naval Sea Systems Command
3020-01-399-5665167-6404330 FIND 13POSSIBLE MATCH
GEAR,SPUR
Possible match (shared part number)Naval Sea Systems Command
3020-01-399-6281167-6404330 FIND 10POSSIBLE MATCH
GEAR SECTOR,WORM WHEEL
Possible match (shared part number)Naval Sea Systems Command
3020-01-399-6282167-6404330 FIND 11POSSIBLE MATCH
GEAR SECTOR,WORM WHEEL
Possible match (shared part number)Naval Sea Systems Command
3020-01-400-2040167-6404330 FIND 48POSSIBLE MATCH
GUARD,MECHANICAL DRIVE
Possible match (shared part number)Naval Sea Systems Command
3040-01-400-2041167-6404330 FIND 73POSSIBLE MATCH
COLLAR,SHAFT
Possible match (shared part number)Naval Sea Systems Command
3020-01-400-2045167-6404330 FIND 8POSSIBLE MATCH
GEAR SECTOR,WORM WHEEL
Possible match (shared part number)Naval Sea Systems Command
3040-01-400-3155167-6404330 FIND 17POSSIBLE MATCH
SHAFT,STRAIGHT
Possible match (shared part number)Naval Sea Systems Command
3040-01-459-5223167-6404330 FIND 98POSSIBLE MATCH
WORM SHAFT
Possible match (shared part number)Naval Sea Systems Command
NSN 3020-01-399-1850 is a Gear,spur, manufactured by Naval Sea Systems Command, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
What part numbers are listed for NSN 3020-01-399-1850?
NSN 3020-01-399-1850 has 1 manufacturer part number on file: 167-6404330 FIND 14 (Naval Sea Systems Command).
What NSN replaces 3020-01-399-1850?
9 possible matches (shared part number, not a government interchangeability claim): 3040-01-399-1856, 3020-01-399-5665, 3020-01-399-6281. Verify interchangeability with system specifications before substitution.
What are the specifications of 167-6404330 FIND 14?
Key specifications for 167-6404330 FIND 14: Bore Nominal Diameter: 1.188 INCHES BOTH ENDS IN; Teeth Quantity: 28; Body Style: PLAIN, SOLID; Bore Style: PLAIN BOTH ENDS. 10 specifications are documented in the U.S. Government catalog.
Is NSN 3020-01-399-1850 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.