PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AN6230-9O-Ring

Barksdale, Inc · NSN 5331-00-926-3978 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-926-3978 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-926-3978. Primary manufacturer part number: AN6230-9.
Features
  • O-Ring — FSC 5331
  • Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
  • Center Hole Diameter: 2.599 INCHES MINIMUM AND 2.619 INCHES MAXIMUM IN
  • Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
  • 4 verified cross-references
  • Primary manufacturer: Barksdale, Inc
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 5331-00-926-3978, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Barksdale, Inc. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-00-926-3978
Primary Part NumberAN6230-9
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerBarksdale, Inc
StatusACTIVE
Cross-Sectional Height0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
Center Hole Diameter2.599 INCHES MINIMUM AND 2.619 INCHES MAXIMUM IN
MaterialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5331-00-720-253525141-231-4058-90 INTERCHANGEABLE
O-Ring
Barksdale, Inc
5331-01-246-3902MS28775-231 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
Cross-Reference Index
Part NumberManufacturer
AN6230-9 PRIMARY Barksdale, Inc (USA)
AN6230-9SPCLN Barksdale, Inc (USA)
AN6230-9 Aeronautical Standards Group Dept of Navy and Air Force (USA)
25141-231-479-70 Barksdale, Inc (USA)
Related Parts
5331-00-720-2535INTERCHANGEABLE
O-RING
25141-231-4058-90
5331-01-246-3902INTERCHANGEABLE
O-RING
MS28775-231

Frequently Asked Questions

What is NSN 5331-00-926-3978?

NSN 5331-00-926-3978 is a O-Ring, manufactured by Barksdale, Inc, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-00-926-3978?

NSN 5331-00-926-3978 has 4 cross-referenced part numbers: AN6230-9 (Barksdale, Inc), AN6230-9SPCLN (Barksdale, Inc), AN6230-9 (Aeronautical Standards Group Dept of Navy and Air Force), 25141-231-479-70 (Barksdale, Inc).

What NSN replaces 5331-00-926-3978?

There are 2 known substitutes for 5331-00-926-3978: 5331-00-720-2535, 5331-01-246-3902. Verify interchangeability with system specifications before substitution.

What are the specifications of AN6230-9?

Key specifications for AN6230-9: Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN; Center Hole Diameter: 2.599 INCHES MINIMUM AND 2.619 INCHES MAXIMUM IN; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR. 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