PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

348286O-Ring

Lockheed Martin Corp · NSN 5331-00-306-3820 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-306-3820 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-306-3820. Primary manufacturer part number: 348286.
Features
  • O-Ring — FSC 5331
  • Color: WHITE
  • 1 verified cross-reference
  • Primary manufacturer: Lockheed Martin Corp
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The O-Ring, cataloged under National Stock Number 5331-00-306-3820, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Lockheed Martin Corp. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-00-306-3820
Primary Part Number348286
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerLockheed Martin Corp
StatusACTIVE
ColorWHITE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
3110-00-974-4132 INTERCHANGEABLE
Cone and Rollers,tapered Roller
Cross-Reference Index
Part NumberManufacturer
348286 PRIMARY Lockheed Martin Corp (USA)
Related Parts
3110-00-974-4132INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER

Frequently Asked Questions

What is NSN 5331-00-306-3820?

NSN 5331-00-306-3820 is a O-Ring, manufactured by Lockheed Martin Corp, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-00-306-3820?

NSN 5331-00-306-3820 has 1 cross-referenced part number: 348286 (Lockheed Martin Corp).

What NSN replaces 5331-00-306-3820?

There is 1 known substitute for 5331-00-306-3820: 3110-00-974-4132. Verify interchangeability with system specifications before substitution.

What are the specifications of 348286?

Key specifications for 348286: Color: WHITE. 1 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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