PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

33481O-Ring

Lauson Division of Tecumseh Products Co · NSN 5331-01-312-0626 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-312-0626 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-312-0626. Primary manufacturer part number: 33481.
Features
  • O-Ring — FSC 5331
  • 1 verified cross-reference
  • Primary manufacturer: Lauson Division of Tecumseh Products Co
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The O-Ring, cataloged under National Stock Number 5331-01-312-0626, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Lauson Division of Tecumseh Products Co. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameO-Ring
FSC / FSG5331 — O-Ring (FSG 53)
ManufacturersLauson Division of Tecumseh Products Co (CAGE 35211)
Technical Specifications
ParameterValue
NSN5331-01-312-0626
Primary Part Number33481
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerLauson Division of Tecumseh Products Co
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
3455-00-222-4064 INTERCHANGEABLE
File,rotary
9540-00-288-0495 INTERCHANGEABLE
Beam,structural
9540-00-596-3229 INTERCHANGEABLE
Beam,structural
9540-01-072-1179 INTERCHANGEABLE
Beam,structural
2940-01-233-084725055052 INTERCHANGEABLE
Filter,fluid
General Motors Llc Dba General Motors Llc
9540-01-241-5211 INTERCHANGEABLE
Beam,structural
Cross-Reference Index
Part NumberManufacturer
33481 Lauson Division of Tecumseh Products Co (USA)
Related Parts
3455-00-222-4064INTERCHANGEABLE
FILE,ROTARY
9540-00-288-0495INTERCHANGEABLE
BEAM,STRUCTURAL
9540-00-596-3229INTERCHANGEABLE
BEAM,STRUCTURAL
9540-01-072-1179INTERCHANGEABLE
BEAM,STRUCTURAL
2940-01-233-0847INTERCHANGEABLE
FILTER,FLUID
25055052
9540-01-241-5211INTERCHANGEABLE
BEAM,STRUCTURAL

Frequently Asked Questions

What is NSN 5331-01-312-0626?

NSN 5331-01-312-0626 is a O-Ring, manufactured by Lauson Division of Tecumseh Products Co, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-312-0626?

NSN 5331-01-312-0626 has 1 cross-referenced part number: 33481 (Lauson Division of Tecumseh Products Co).

What NSN replaces 5331-01-312-0626?

There are 6 known substitutes for 5331-01-312-0626: 3455-00-222-4064, 9540-00-288-0495, 9540-00-596-3229 and 3 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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