PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

85045O-Ring

Brunswick Corp Dba Mercury Marine Div Mercury Marine · NSN 5331-01-661-7555 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-661-7555 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-661-7555. Primary manufacturer part number: 85045.
Features
  • O-Ring — FSC 5331
  • 1 verified cross-reference
  • Primary manufacturer: Brunswick Corp Dba Mercury Marine Div Mercury Marine
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The O-Ring, cataloged under National Stock Number 5331-01-661-7555, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Brunswick Corp Dba Mercury Marine Div Mercury Marine. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-01-661-7555
Primary Part Number85045
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerBrunswick Corp Dba Mercury Marine Div Mercury Marine
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5340-00-700-15217001521 INTERCHANGEABLE
Plug,expansion
U S Army Tank Automotive Command Amsta-Im-Mm
5950-00-838-307285045 INTERCHANGEABLE
Reactor
Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems
6145-00-850-9470 INTERCHANGEABLE
Wire,electrical
4330-00-932-970185-045 INTERCHANGEABLE
Filter Element,fluid
Parker-Hannifin Corporation Dba Pneutronics Div Pneumatic Division
4320-01-273-384785045 INTERCHANGEABLE
Seal Assembly,shaft,spring Loade
Magnetic Seal Llc
5360-01-375-604785045 INTERCHANGEABLE
Spring,flat
Page Chester Ltd Dba Cooperative Industries Div Cooperative Industries Aerospace Defense
5310-01-498-367085045 INTERCHANGEABLE
Washer,lock
Cole Hersee Company
5935-01-498-438585045GBEPR INTERCHANGEABLE
Connector,receptacle,electrical
Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (drawings)
2510-01-731-145685045 INTERCHANGEABLE
Shock Absorber,direct Action
Maremont Corp Gabriel Div
Cross-Reference Index
Part NumberManufacturer
85045 PRIMARY Brunswick Corp Dba Mercury Marine Div Mercury Marine (USA)
Related Parts
5340-00-700-1521INTERCHANGEABLE
PLUG,EXPANSION
7001521
5950-00-838-3072INTERCHANGEABLE
REACTOR
85045
6145-00-850-9470INTERCHANGEABLE
WIRE,ELECTRICAL
4330-00-932-9701INTERCHANGEABLE
FILTER ELEMENT,FLUID
85-045
4320-01-273-3847INTERCHANGEABLE
SEAL ASSEMBLY,SHAFT,SPRING LOADE
85045
5360-01-375-6047INTERCHANGEABLE
SPRING,FLAT
85045
5310-01-498-3670INTERCHANGEABLE
WASHER,LOCK
85045
5935-01-498-4385INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
85045GBEPR
2510-01-731-1456INTERCHANGEABLE
SHOCK ABSORBER,DIRECT ACTION
85045

Frequently Asked Questions

What is NSN 5331-01-661-7555?

NSN 5331-01-661-7555 is a O-Ring, manufactured by Brunswick Corp Dba Mercury Marine Div Mercury Marine, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-661-7555?

NSN 5331-01-661-7555 has 1 cross-referenced part number: 85045 (Brunswick Corp Dba Mercury Marine Div Mercury Marine).

What NSN replaces 5331-01-661-7555?

There are 9 known substitutes for 5331-01-661-7555: 5340-00-700-1521, 5950-00-838-3072, 6145-00-850-9470 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 85045?

Key specifications for 85045: End Item Identification: OUTBOARD, MOTOR; Special Features: O-RING. 2 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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