PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

103185O-Ring

Eaton Aerospace, Llc Dba Jackson South · NSN 5331-00-444-4723 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-444-4723 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-444-4723. Primary manufacturer part number: 103185.
Features
  • O-Ring — FSC 5331
  • Material: RUBBER
  • Center Hole Diameter: 0.965 INCHES MINIMUM AND 0.977 INCHES MAXIMUM IN
  • Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
  • 3 verified cross-references
  • Primary manufacturer: Eaton Aerospace, Llc Dba Jackson South
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 5331-00-444-4723, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Eaton Aerospace, Llc Dba Jackson South. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-00-444-4723
Primary Part Number103185
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerEaton Aerospace, Llc Dba Jackson South
StatusACTIVE
MaterialRUBBER
Center Hole Diameter0.965 INCHES MINIMUM AND 0.977 INCHES MAXIMUM IN
Cross-Sectional Height0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5945-00-258-8161 INTERCHANGEABLE
Solenoid,electrical
5995-00-496-98607078 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Spencer Industries Inc
5330-00-641-3102103185 INTERCHANGEABLE
Seal,plain Encased
Clark Material Handling Company
5210-00-790-1901436.1XRL-9 INTERCHANGEABLE
Caliper,micrometer,outside
L.s. Starrett Company (the) Div Tool Division
5307-01-044-6509103185 INTERCHANGEABLE
Stud,plain
Chrysler Realty Company Llc Dba Daimler Chrysler
5330-01-319-4828103185 INTERCHANGEABLE
Gasket
Provision, Inc. Dba Provision Inc
2990-01-719-1046103185 INTERCHANGEABLE
Muffler,exhaust
Mi-Jack Products, Inc.
Cross-Reference Index
Part NumberManufacturer
10078034 Nimikkeistokeskus Ncb Finland (FIN)
5330PL0890592 Jednolity Indeks Materialowy - Uniform Material Index (POL)
103185 PRIMARY Eaton Aerospace, Llc Dba Jackson South (USA)
Related Parts
5945-00-258-8161INTERCHANGEABLE
SOLENOID,ELECTRICAL
5995-00-496-9860INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
7078
5330-00-641-3102INTERCHANGEABLE
SEAL,PLAIN ENCASED
103185
5210-00-790-1901INTERCHANGEABLE
CALIPER,MICROMETER,OUTSIDE
436.1XRL-9
5307-01-044-6509INTERCHANGEABLE
STUD,PLAIN
103185
5330-01-319-4828INTERCHANGEABLE
GASKET
103185
2990-01-719-1046INTERCHANGEABLE
MUFFLER,EXHAUST
103185

Frequently Asked Questions

What is NSN 5331-00-444-4723?

NSN 5331-00-444-4723 is a O-Ring, manufactured by Eaton Aerospace, Llc Dba Jackson South, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-00-444-4723?

NSN 5331-00-444-4723 has 3 cross-referenced part numbers: 10078034 (Nimikkeistokeskus Ncb Finland), 5330PL0890592 (Jednolity Indeks Materialowy - Uniform Material Index), 103185 (Eaton Aerospace, Llc Dba Jackson South).

What NSN replaces 5331-00-444-4723?

There are 7 known substitutes for 5331-00-444-4723: 5945-00-258-8161, 5995-00-496-9860, 5330-00-641-3102 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 103185?

Key specifications for 103185: Material: RUBBER; Center Hole Diameter: 0.965 INCHES MINIMUM AND 0.977 INCHES MAXIMUM IN; Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN. 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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