NSN 3020-01-646-1146 · NIIN 016461146 · Part number 15614058
Naval Sea Systems Command · FSC 3020 — Gears, Pulleys, Sprockets, and Transmission Chain · FSG 30 — Mechanical Power Transmission Equipment · CAGE 53711
Government record, cited
NSN 3020-01-646-1146 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-646-1146. Manufacturer of record part number: 15614058.
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
FSG: 30 — Mechanical Power Transmission Equipment
Primary part number: 15614058
Manufacturer: Naval Sea Systems Command
General Description
The Pulley,groove, cataloged under National Stock Number 3020-01-646-1146, 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. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government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
Pulley,groove
FSC / FSG
3020 — Gears, Pulleys, Sprockets, and Transmission Chain (FSG 30)
Manufacturers
Naval Sea Systems Command (CAGE 53711)
Technical Specifications
Parameter
Value
NSN
3020-01-646-1146
Primary Part Number
15614058
Item Name
Pulley,groove
FSC / FSG
3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain
Manufacturer
Naval Sea Systems Command
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 Items5
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
3940-01-646-258815608240POSSIBLE MATCH
BLOCK,TACKLE
Possible match (shared part number)Naval Sea Systems Command
5315-01-646-3421588-7666729 ASSY 98,IT 10POSSIBLE MATCH
PIN,STRAIGHT,HEADLESS
Possible match (shared part number)Naval Sea Systems Command
3940-01-646-350115608238POSSIBLE MATCH
BLOCK,TACKLE
Possible match (shared part number)Naval Sea Systems Command
3940-01-647-310515608241POSSIBLE MATCH
BLOCK,TACKLE
Possible match (shared part number)Naval Sea Systems Command
3940-01-648-2173588-7666729 AY99, ITEM 1POSSIBLE MATCH
BLOCK,TACKLE
Possible match (shared part number)Naval Sea Systems Command
C/1Advisory reference — outside the item-of-supply concept
Naval Sea Systems Command
588-7666729 ASSY 98,IT 1
C/1Advisory reference — outside the item-of-supply concept
Naval Sea Systems Command
588-7666729
D/9Drawing number reference only
Naval Sea Systems Command
Related Parts
3940-01-646-2588POSSIBLE MATCH
BLOCK,TACKLE
15608240
5315-01-646-3421POSSIBLE MATCH
PIN,STRAIGHT,HEADLESS
588-7666729 ASSY 98,IT 10
3940-01-646-3501POSSIBLE MATCH
BLOCK,TACKLE
15608238
3940-01-647-3105POSSIBLE MATCH
BLOCK,TACKLE
15608241
3940-01-648-2173POSSIBLE MATCH
BLOCK,TACKLE
588-7666729 AY99, ITEM 1
Frequently Asked Questions
What is NSN 3020-01-646-1146?
NSN 3020-01-646-1146 is a Pulley,groove, 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 3020-01-646-1146?
NSN 3020-01-646-1146 has 1 manufacturer part number on file: 15614058 (Naval Sea Systems Command).
What NSN replaces 3020-01-646-1146?
5 possible matches (shared part number, not a government interchangeability claim): 3940-01-646-2588, 5315-01-646-3421, 3940-01-646-3501. Verify interchangeability with system specifications before substitution.
Is NSN 3020-01-646-1146 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.