PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

42092O-Ring

Exlar Corporation · NSN 5331-01-640-9689 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-640-9689 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-640-9689. Primary manufacturer part number: 42092.
Features
  • O-Ring — FSC 5331
  • Cross-Sectional Height: 0.070 INCHES NOMINAL IN
  • Center Hole Diameter: 3.739 INCHES NOMINAL IN
  • Material: RUBBER
  • 2 verified cross-references
  • Primary manufacturer: Exlar Corporation
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber construction
General Description

The O-Ring, cataloged under National Stock Number 5331-01-640-9689, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Exlar Corporation. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-01-640-9689
Primary Part Number42092
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerExlar Corporation
StatusACTIVE
Cross-Sectional Height0.070 INCHES NOMINAL IN
Center Hole Diameter3.739 INCHES NOMINAL IN
MaterialRUBBER
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
6220-00-299-39994017 INTERCHANGEABLE
Lamp Unit,vehicular
Ktm 2 Llc Dba Arrow Safety Device Company
5340-00-399-183042092 INTERCHANGEABLE
Bracket,angle
Hamilton Watch Co Inc
5945-00-518-7087 INTERCHANGEABLE
Relay,electromagnetic
5930-00-881-971142092 INTERCHANGEABLE
Switch,pressure
Hydra-Electric Company Dba Hydra-Electric Co
4820-01-239-031649229 INTERCHANGEABLE
Stem,fluid Valve
Leslie Controls, Inc. Dba Leslie Controls Inc
Cross-Reference Index
Part NumberManufacturer
42092 PRIMARY Exlar Corporation (USA)
40210 ITEM NO 248 Exlar Corporation (USA)
Related Parts
6220-00-299-3999INTERCHANGEABLE
LAMP UNIT,VEHICULAR
4017
5340-00-399-1830INTERCHANGEABLE
BRACKET,ANGLE
42092
5945-00-518-7087INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
5930-00-881-9711INTERCHANGEABLE
SWITCH,PRESSURE
42092
4820-01-239-0316INTERCHANGEABLE
STEM,FLUID VALVE
49229

Frequently Asked Questions

What is NSN 5331-01-640-9689?

NSN 5331-01-640-9689 is a O-Ring, manufactured by Exlar Corporation, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-640-9689?

NSN 5331-01-640-9689 has 2 cross-referenced part numbers: 42092 (Exlar Corporation), 40210 ITEM NO 248 (Exlar Corporation).

What NSN replaces 5331-01-640-9689?

There are 5 known substitutes for 5331-01-640-9689: 6220-00-299-3999, 5340-00-399-1830, 5945-00-518-7087 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 42092?

Key specifications for 42092: Cross-Sectional Height: 0.070 INCHES NOMINAL IN; Center Hole Diameter: 3.739 INCHES NOMINAL IN; Material: RUBBER. 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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