PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

45359O-Ring

Leroi International Inc Dba Compair Leroi · NSN 5331-00-782-4345 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-782-4345 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-782-4345. Primary manufacturer part number: 45359.
Features
  • O-Ring — FSC 5331
  • Material: RUBBER SYNTHETIC
  • Center Hole Diameter: 3.344 INCHES MINIMUM AND 3.374 INCHES MAXIMUM IN
  • Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
  • 2 verified cross-references
  • Primary manufacturer: Leroi International Inc Dba Compair Leroi
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Synthetic construction
General Description

The O-Ring, cataloged under National Stock Number 5331-00-782-4345, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Leroi International Inc Dba Compair Leroi. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-00-782-4345
Primary Part Number45359
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerLeroi International Inc Dba Compair Leroi
StatusACTIVE
MaterialRUBBER SYNTHETIC
Center Hole Diameter3.344 INCHES MINIMUM AND 3.374 INCHES MAXIMUM IN
Cross-Sectional Height0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
2920-00-997-8693YB47C INTERCHANGEABLE
Generator,engine Accessory
Wisconsin Motors, Llc
3120-01-050-926345359 INTERCHANGEABLE
Bushing
Tenneco Inc
8010-01-569-6766 INTERCHANGEABLE
Epoxy Embedding Med
5110-01-590-966745-359 INTERCHANGEABLE
Scribe,fiber Optic
Ideal Industries, Inc.
Cross-Reference Index
Part NumberManufacturer
45359 Compair Kellogg Div of Robertshaw Controls Co (USA)
45359 PRIMARY Leroi International Inc Dba Compair Leroi (USA)
Related Parts
2920-00-997-8693INTERCHANGEABLE
GENERATOR,ENGINE ACCESSORY
YB47C
3120-01-050-9263INTERCHANGEABLE
BUSHING
45359
8010-01-569-6766INTERCHANGEABLE
EPOXY EMBEDDING MED
5110-01-590-9667INTERCHANGEABLE
SCRIBE,FIBER OPTIC
45-359

Frequently Asked Questions

What is NSN 5331-00-782-4345?

NSN 5331-00-782-4345 is a O-Ring, manufactured by Leroi International Inc Dba Compair Leroi, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-00-782-4345?

NSN 5331-00-782-4345 has 2 cross-referenced part numbers: 45359 (Compair Kellogg Div of Robertshaw Controls Co), 45359 (Leroi International Inc Dba Compair Leroi).

What NSN replaces 5331-00-782-4345?

There are 4 known substitutes for 5331-00-782-4345: 2920-00-997-8693, 3120-01-050-9263, 8010-01-569-6766 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 45359?

Key specifications for 45359: Material: RUBBER SYNTHETIC; Center Hole Diameter: 3.344 INCHES MINIMUM AND 3.374 INCHES MAXIMUM IN; Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 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.
PartsTable Design LLC · partstable.com