PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

120312O-Ring

Eaton Aerospace, Llc Dba Jackson South · NSN 5331-00-663-6823 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-663-6823 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-663-6823. Primary manufacturer part number: 120312.
Features
  • O-Ring — FSC 5331
  • Material: RUBBER SYNTHETIC
  • Center Hole Diameter: 0.544 INCHES MINIMUM AND 0.554 INCHES MAXIMUM IN
  • Cross-Sectional Height: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
  • 1 verified cross-reference
  • Primary manufacturer: Eaton Aerospace, Llc Dba Jackson South
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Synthetic construction
General Description

The O-Ring, cataloged under National Stock Number 5331-00-663-6823, 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 1 commercial cross-reference from 1 manufacturer, 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
NSN5331-00-663-6823
Primary Part Number120312
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerEaton Aerospace, Llc Dba Jackson South
StatusACTIVE
MaterialRUBBER SYNTHETIC
Center Hole Diameter0.544 INCHES MINIMUM AND 0.554 INCHES MAXIMUM IN
Cross-Sectional Height0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
3110-00-100-064009194 INTERCHANGEABLE
Cup,tapered Roller Bearing
The Timken Corporation
5930-00-583-29991203-12 INTERCHANGEABLE
Switch,pressure
Emerson Electric Co White Rodgers Co Div
5935-00-682-0570MS3106R28-12S INTERCHANGEABLE
Connector,plug,electrical
Sae International Dba Sae International
5950-01-016-3081120/312 INTERCHANGEABLE
Transformer,special
Taylor Hobson Ltd
6150-01-448-2902 INTERCHANGEABLE
Cable Assembly,special Purpose,e
6635-01-480-4650120312 INTERCHANGEABLE
X-Ray Apparatus,radiographic,ind
Leidos, Inc.
5340-01-596-5560120312 INTERCHANGEABLE
Bracket,mounting
G R Mfg
Cross-Reference Index
Part NumberManufacturer
120312 PRIMARY Eaton Aerospace, Llc Dba Jackson South (USA)
Related Parts
3110-00-100-0640INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
09194
5930-00-583-2999INTERCHANGEABLE
SWITCH,PRESSURE
1203-12
5935-00-682-0570INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
MS3106R28-12S
5950-01-016-3081INTERCHANGEABLE
TRANSFORMER,SPECIAL
120/312
6150-01-448-2902INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
6635-01-480-4650INTERCHANGEABLE
X-RAY APPARATUS,RADIOGRAPHIC,IND
120312
5340-01-596-5560INTERCHANGEABLE
BRACKET,MOUNTING
120312

Frequently Asked Questions

What is NSN 5331-00-663-6823?

NSN 5331-00-663-6823 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 5331-00-663-6823?

NSN 5331-00-663-6823 has 1 cross-referenced part number: 120312 (Eaton Aerospace, Llc Dba Jackson South).

What NSN replaces 5331-00-663-6823?

There are 7 known substitutes for 5331-00-663-6823: 3110-00-100-0640, 5930-00-583-2999, 5935-00-682-0570 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 120312?

Key specifications for 120312: Material: RUBBER SYNTHETIC; Center Hole Diameter: 0.544 INCHES MINIMUM AND 0.554 INCHES MAXIMUM IN; Cross-Sectional Height: 0.100 INCHES MINIMUM AND 0.106 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.
PartsTable Design LLC · partstable.com