PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

45537O-Ring

Leroi International Inc Dba Compair Leroi · NSN 5331-01-130-9494 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-130-9494 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-130-9494. Primary manufacturer part number: 45537.
Features
  • O-Ring — FSC 5331
  • Material: RUBBER CHLOROPRENE CLASS CR
  • Cross-Sectional Height: 0.062 INCHES NOMINAL 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 Chloroprene Class Cr construction
General Description

The O-Ring, cataloged under National Stock Number 5331-01-130-9494, 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 2 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
NSN5331-01-130-9494
Primary Part Number45537
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerLeroi International Inc Dba Compair Leroi
StatusACTIVE
MaterialRUBBER CHLOROPRENE CLASS CR
Cross-Sectional Height0.062 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
3455-00-224-365009200 INTERCHANGEABLE
Cutter,milling,metal Slitting
Niagara Cutter Inc
5310-01-200-755545537 INTERCHANGEABLE
Nut,self-Locking,hexagon
Northrop Grumman Systems Corporation Div Marine Systems
5315-01-201-896545179 INTERCHANGEABLE
Key,woodruff
Northrop Grumman Systems Corporation Div Marine Systems
1650-01-460-263745537 INTERCHANGEABLE
Cylinder,actuating,linear
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
Cross-Reference Index
Part NumberManufacturer
45537 Compair Kellogg Div of Robertshaw Controls Co (USA)
45537 PRIMARY Leroi International Inc Dba Compair Leroi (USA)
Related Parts
3455-00-224-3650INTERCHANGEABLE
CUTTER,MILLING,METAL SLITTING
09200
5310-01-200-7555INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
45537
5315-01-201-8965INTERCHANGEABLE
KEY,WOODRUFF
45179
1650-01-460-2637INTERCHANGEABLE
CYLINDER,ACTUATING,LINEAR
45537

Frequently Asked Questions

What is NSN 5331-01-130-9494?

NSN 5331-01-130-9494 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 5331-01-130-9494?

NSN 5331-01-130-9494 has 2 cross-referenced part numbers: 45537 (Compair Kellogg Div of Robertshaw Controls Co), 45537 (Leroi International Inc Dba Compair Leroi).

What NSN replaces 5331-01-130-9494?

There are 4 known substitutes for 5331-01-130-9494: 3455-00-224-3650, 5310-01-200-7555, 5315-01-201-8965 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 45537?

Key specifications for 45537: Material: RUBBER CHLOROPRENE CLASS CR; Cross-Sectional Height: 0.062 INCHES NOMINAL IN. 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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