PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

18601Inserter,bearing and Bushing

Brunswick Corp Dba Mercury Marine Div Mercury Marine · NSN 5120-01-509-3203 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-509-3203 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-509-3203. Primary manufacturer part number: 18601.
Features
  • Inserter,bearing and Bushing — FSC 5120
  • 2 verified cross-references
  • Primary manufacturer: Brunswick Corp Dba Mercury Marine Div Mercury Marine
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
General Description

The Inserter,bearing and Bushing, cataloged under National Stock Number 5120-01-509-3203, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Brunswick Corp Dba Mercury Marine Div Mercury Marine. This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-01-509-3203
Primary Part Number18601
Item NameInserter,bearing and Bushing
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerBrunswick Corp Dba Mercury Marine Div Mercury Marine
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
3010-00-125-86326460011 INTERCHANGEABLE
Gear Assembly,speed Increaser
Ed Etnyre & Co
1680-00-400-826218601 INTERCHANGEABLE
Indicator,red Disk
Meggitt Safety Systems Inc
5950-00-583-4536 INTERCHANGEABLE
Transformer,radio Frequency
7510-00-687-26642664A INTERCHANGEABLE
Envelope,transparent
Safina Office Products, Inc. Dba Safina Office Products Inc
1680-00-780-456718602 INTERCHANGEABLE
Indicator,discharge
Meggitt Safety Systems Inc
5330-01-125-1255NB41860181 INTERCHANGEABLE
Gasket
Leslie Controls, Inc. Dba Leslie Controls Inc
3120-01-126-373218-601 INTERCHANGEABLE
Bearing,washer,thrust
Cunico Corporation
5355-01-503-595218601 INTERCHANGEABLE
Knob
Applied Resources Corp
5120-01-562-682818601 INTERCHANGEABLE
Screwdriver,flat Tip
Wiha Quality Tools
4820-01-629-3233GD511S INTERCHANGEABLE
Head and Disk,safety,pressure Re
Northrop Grumman Systems Corporation
Cross-Reference Index
Part NumberManufacturer
91-18601 Brunswick Corp Dba Mercury Marine Div Mercury Marine (USA)
18601 PRIMARY Brunswick Corp Dba Mercury Marine Div Mercury Marine (USA)
Related Parts
3010-00-125-8632INTERCHANGEABLE
GEAR ASSEMBLY,SPEED INCREASER
6460011
1680-00-400-8262INTERCHANGEABLE
INDICATOR,RED DISK
18601
5950-00-583-4536INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
7510-00-687-2664INTERCHANGEABLE
ENVELOPE,TRANSPARENT
2664A
1680-00-780-4567INTERCHANGEABLE
INDICATOR,DISCHARGE
18602
5330-01-125-1255INTERCHANGEABLE
GASKET
NB41860181
3120-01-126-3732INTERCHANGEABLE
BEARING,WASHER,THRUST
18-601
5355-01-503-5952INTERCHANGEABLE
KNOB
18601
5120-01-562-6828INTERCHANGEABLE
SCREWDRIVER,FLAT TIP
18601
4820-01-629-3233INTERCHANGEABLE
HEAD AND DISK,SAFETY,PRESSURE RE
GD511S

Frequently Asked Questions

What is NSN 5120-01-509-3203?

NSN 5120-01-509-3203 is a Inserter,bearing and Bushing, manufactured by Brunswick Corp Dba Mercury Marine Div Mercury Marine, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-01-509-3203?

NSN 5120-01-509-3203 has 2 cross-referenced part numbers: 91-18601 (Brunswick Corp Dba Mercury Marine Div Mercury Marine), 18601 (Brunswick Corp Dba Mercury Marine Div Mercury Marine).

What NSN replaces 5120-01-509-3203?

There are 10 known substitutes for 5120-01-509-3203: 3010-00-125-8632, 1680-00-400-8262, 5950-00-583-4536 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 18601?

Key specifications for 18601: End Item Identification: MERCURY MARINE ENGINES. 1 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com