PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

301877O-Ring

Brp Us Inc · NSN 5331-00-291-4856 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-291-4856 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-291-4856. Primary manufacturer part number: 301877.
Features
  • O-Ring — FSC 5331
  • Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
  • Center Hole Diameter: 0.234 INCHES MINIMUM AND 0.244 INCHES MAXIMUM IN
  • Cross-Sectional Height: 0.169 INCHES MINIMUM AND 0.179 INCHES MAXIMUM IN
  • 4 verified cross-references
  • Primary manufacturer: Brp Us Inc
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Butadiene-Acrylonitrile Class Nbr construction
General Description

The O-Ring, cataloged under National Stock Number 5331-00-291-4856, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Brp Us Inc. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-00-291-4856
Primary Part Number301877
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerBrp Us Inc
StatusACTIVE
MaterialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
Center Hole Diameter0.234 INCHES MINIMUM AND 0.244 INCHES MAXIMUM IN
Cross-Sectional Height0.169 INCHES MINIMUM AND 0.179 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5950-00-832-507226226 INTERCHANGEABLE
Reactor
Torotel, Inc. Div Torotel Products, Inc.
5961-01-023-8511S12A40 INTERCHANGEABLE
Rectifier,semiconductor Device
Rsm Electron Power Inc
Cross-Reference Index
Part NumberManufacturer
10010203 Nimikkeistokeskus Ncb Finland (FIN)
301877 Simpson-Lawrence Ltd Johnson and Evi Rude Outboard Motors (GBR)
301877 Outboard Marine Corp Johnson Motors Div (USA)
301877 PRIMARY Brp Us Inc (USA)
Related Parts
5950-00-832-5072INTERCHANGEABLE
REACTOR
26226
5961-01-023-8511INTERCHANGEABLE
RECTIFIER,SEMICONDUCTOR DEVICE
S12A40

Frequently Asked Questions

What is NSN 5331-00-291-4856?

NSN 5331-00-291-4856 is a O-Ring, manufactured by Brp Us Inc, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-00-291-4856?

NSN 5331-00-291-4856 has 4 cross-referenced part numbers: 10010203 (Nimikkeistokeskus Ncb Finland), 301877 (Simpson-Lawrence Ltd Johnson and Evi Rude Outboard Motors), 301877 (Outboard Marine Corp Johnson Motors Div), 301877 (Brp Us Inc).

What NSN replaces 5331-00-291-4856?

There are 2 known substitutes for 5331-00-291-4856: 5950-00-832-5072, 5961-01-023-8511. Verify interchangeability with system specifications before substitution.

What are the specifications of 301877?

Key specifications for 301877: Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR; Center Hole Diameter: 0.234 INCHES MINIMUM AND 0.244 INCHES MAXIMUM IN; Cross-Sectional Height: 0.169 INCHES MINIMUM AND 0.179 INCHES MAXIMUM IN. 3 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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