PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

91-52344Holder,flywheel

Brunswick Corp Dba Mercury Marine Div Mercury Marine · NSN 5120-01-509-3181 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-509-3181 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-509-3181. Primary manufacturer part number: 91-52344.
Features
  • Holder,flywheel — FSC 5120
  • 2 verified cross-references
  • Primary manufacturer: Brunswick Corp Dba Mercury Marine Div Mercury Marine
Applications
  • Field maintenance and repair
  • Facility maintenance operations
  • General-purpose hand tools
General Description

The Holder,flywheel, cataloged under National Stock Number 5120-01-509-3181, 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-01-509-3181
Primary Part Number91-52344
Item NameHolder,flywheel
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerBrunswick Corp Dba Mercury Marine Div Mercury Marine
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
3020-00-392-7760 INTERCHANGEABLE
Gear,spur
5950-00-648-181252344 INTERCHANGEABLE
Transformer,power
Magnetika Inc
2590-00-831-114352344 INTERCHANGEABLE
Tank,oil,hydraulic System
Stewart & Stevenson Power Products Llc
5310-01-259-7783WO367-006-S INTERCHANGEABLE
Washer,spring Tension
Associated Spring Us, Llc Div Corry
2610-01-434-873212703000 INTERCHANGEABLE
Tire,pneumatic,vehicular
U S Army Tank Automotive Command Amsta-Im-Mm
5340-01-459-4288 INTERCHANGEABLE
Bracket,angle
1240-01-562-033224505 INTERCHANGEABLE
Shade,optical Instrument
Charles Reed Knight Jr Dba Knight's Armament Company
Cross-Reference Index
Part NumberManufacturer
91-52344 PRIMARY Brunswick Corp Dba Mercury Marine Div Mercury Marine (USA)
52344 Brunswick Corp Dba Mercury Marine Div Mercury Marine (USA)
Related Parts
3020-00-392-7760INTERCHANGEABLE
GEAR,SPUR
5950-00-648-1812INTERCHANGEABLE
TRANSFORMER,POWER
52344
2590-00-831-1143INTERCHANGEABLE
TANK,OIL,HYDRAULIC SYSTEM
52344
5310-01-259-7783INTERCHANGEABLE
WASHER,SPRING TENSION
WO367-006-S
2610-01-434-8732INTERCHANGEABLE
TIRE,PNEUMATIC,VEHICULAR
12703000
5340-01-459-4288INTERCHANGEABLE
BRACKET,ANGLE
1240-01-562-0332INTERCHANGEABLE
SHADE,OPTICAL INSTRUMENT
24505

Frequently Asked Questions

What is NSN 5120-01-509-3181?

NSN 5120-01-509-3181 is a Holder,flywheel, 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 5120-01-509-3181?

NSN 5120-01-509-3181 has 2 cross-referenced part numbers: 91-52344 (Brunswick Corp Dba Mercury Marine Div Mercury Marine), 52344 (Brunswick Corp Dba Mercury Marine Div Mercury Marine).

What NSN replaces 5120-01-509-3181?

There are 7 known substitutes for 5120-01-509-3181: 3020-00-392-7760, 5950-00-648-1812, 2590-00-831-1143 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 91-52344?

Key specifications for 91-52344: 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