PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1H7339O-Ring

Caterpillar Inc Div Caterpillar Defense · NSN 5331-00-593-1141 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-593-1141 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-593-1141. Primary manufacturer part number: 1H7339.
Features
  • O-Ring — FSC 5331
  • Material: RUBBER
  • Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
  • Center Hole Diameter: 2.969 INCHES MINIMUM AND 2.999 INCHES MAXIMUM IN
  • 7 verified cross-references
  • Primary manufacturer: Caterpillar Inc Div Caterpillar Defense
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 5331-00-593-1141, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Caterpillar Inc Div Caterpillar Defense. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5331-00-593-1141
Primary Part Number1H7339
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerCaterpillar Inc Div Caterpillar Defense
StatusCANCELLED
MaterialRUBBER
Cross-Sectional Height0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
Center Hole Diameter2.969 INCHES MINIMUM AND 2.999 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
5306-00-426-34031D4609 INTERCHANGEABLE
Bolt,machine
Caterpillar Inc Div Caterpillar Defense
5331-01-219-0471 INTERCHANGEABLE
O-Ring
Cross-Reference Index
Part NumberManufacturer
8C7432 Zf Industrieantriebe Witten Gmbh (DEU)
1H7339 PRIMARY Caterpillar Inc Div Caterpillar Defense (USA)
627197C12 Towmotor Corp Dallas Plant Sub of Caterpillar Tractor Co (USA)
D2000 SB715ABE1E3FIR Sae International Dba Sae International (USA)
AS568C Sae International Dba Sae International (USA)
AS568C Society of Automotive Engineers Inc (USA)
D2000 SB715ABE1E3FIR Society of Automotive Engineers Inc (USA)
Related Parts
5306-00-426-3403INTERCHANGEABLE
BOLT,MACHINE
1D4609
5331-01-219-0471INTERCHANGEABLE
O-RING

Frequently Asked Questions

What is NSN 5331-00-593-1141?

NSN 5331-00-593-1141 is a O-Ring, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 5331 (O-Ring). Status: cancelled.

What are the part numbers for NSN 5331-00-593-1141?

NSN 5331-00-593-1141 has 7 cross-referenced part numbers: 8C7432 (Zf Industrieantriebe Witten Gmbh), 1H7339 (Caterpillar Inc Div Caterpillar Defense), 627197C12 (Towmotor Corp Dallas Plant Sub of Caterpillar Tractor Co), D2000 SB715ABE1E3FIR (Sae International Dba Sae International), AS568C (Sae International Dba Sae International) and 2 more.

What NSN replaces 5331-00-593-1141?

There are 2 known substitutes for 5331-00-593-1141: 5306-00-426-3403, 5331-01-219-0471. Verify interchangeability with system specifications before substitution.

What are the specifications of 1H7339?

Key specifications for 1H7339: End Item Identification: LOGISTICS SUPPORT VESSEL; Material: RUBBER; Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN; Center Hole Diameter: 2.969 INCHES MINIMUM AND 2.999 INCHES MAXIMUM IN. 4 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5331-00-593-1141 still in active supply?

NSN 5331-00-593-1141 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com