PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

N1239 3-905O-Ring

Parker-Hannifin Corp Div O-Ring Division · NSN 5331-01-548-8305 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-548-8305 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-548-8305. Primary manufacturer part number: N1239 3-905.
Features
  • O-Ring — FSC 5331
  • Hardness Rating: 65.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM
  • Cross-Sectional Height: 0.069 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN
  • Center Hole Diameter: 0.409 INCHES MINIMUM AND 0.419 INCHES MAXIMUM IN
  • Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
  • Material Document and Classification: ASTM SB715BE1E3F1, PARKER N1000 ASSN STD SINGLE MATERIAL RESPONSE
  • 7 verified cross-references
  • Primary manufacturer: Parker-Hannifin Corp Div O-Ring Division
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Butadiene-Acrylonitrile Class Nbr construction
General Description

The O-Ring, cataloged under National Stock Number 5331-01-548-8305, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Parker-Hannifin Corp Div O-Ring Division. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 2 manufacturers, 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
NSN5331-01-548-8305
Primary Part NumberN1239 3-905
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerParker-Hannifin Corp Div O-Ring Division
StatusACTIVE
Hardness Rating65.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM
Cross-Sectional Height0.069 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN
Center Hole Diameter0.409 INCHES MINIMUM AND 0.419 INCHES MAXIMUM IN
MaterialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
Material Document and ClassificationASTM SB715BE1E3F1, PARKER N1000 ASSN STD SINGLE MATERIAL RESPONSE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5325-01-466-709050-124-5 INTERCHANGEABLE
Grommet,metallic
Bell Textron Inc
Cross-Reference Index
Part NumberManufacturer
N1000-70-905 Parker-Hannifin Corp Div O-Ring Division (USA)
123-905-5 Rix Industries (USA)
D3264 PC 20.53 Rix Industries (USA)
D3261 PC 31 Rix Industries (USA)
3-905 N1000-70 Parker-Hannifin Corp Div O-Ring Division (USA)
N1239 3-905 PRIMARY Parker-Hannifin Corp Div O-Ring Division (USA)
N1000 3-905 Parker-Hannifin Corp Div O-Ring Division (USA)
Related Parts
5325-01-466-7090INTERCHANGEABLE
GROMMET,METALLIC
50-124-5

Frequently Asked Questions

What is NSN 5331-01-548-8305?

NSN 5331-01-548-8305 is a O-Ring, manufactured by Parker-Hannifin Corp Div O-Ring Division, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-548-8305?

NSN 5331-01-548-8305 has 7 cross-referenced part numbers: N1000-70-905 (Parker-Hannifin Corp Div O-Ring Division), 123-905-5 (Rix Industries), D3264 PC 20.53 (Rix Industries), D3261 PC 31 (Rix Industries), 3-905 N1000-70 (Parker-Hannifin Corp Div O-Ring Division) and 2 more.

What NSN replaces 5331-01-548-8305?

There is 1 known substitute for 5331-01-548-8305: 5325-01-466-7090. Verify interchangeability with system specifications before substitution.

What are the specifications of N1239 3-905?

Key specifications for N1239 3-905: Hardness Rating: 65.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM; Cross-Sectional Height: 0.069 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN; Center Hole Diameter: 0.409 INCHES MINIMUM AND 0.419 INCHES MAXIMUM IN; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR. 5 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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