PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AN6227B19O-Ring

Lockheed Martin Corporation Div Rms - Mitchel Field · NSN 5331-01-040-5886 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-040-5886 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-040-5886. Primary manufacturer part number: AN6227B19.
Features
  • O-Ring — FSC 5331
  • Cross-Sectional Height: 0.139 INCHES NOMINAL IN
  • Center Hole Diameter: 0.978 INCHES MINIMUM AND 0.990 INCHES MAXIMUM IN
  • Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
  • 6 verified cross-references
  • Primary manufacturer: Lockheed Martin Corporation Div Rms - Mitchel Field
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 5331-01-040-5886, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Lockheed Martin Corporation Div Rms - Mitchel Field. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-01-040-5886
Primary Part NumberAN6227B19
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerLockheed Martin Corporation Div Rms - Mitchel Field
StatusACTIVE
Cross-Sectional Height0.139 INCHES NOMINAL IN
Center Hole Diameter0.978 INCHES MINIMUM AND 0.990 INCHES MAXIMUM IN
MaterialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5331-00-579-31630104-02-16 INTERCHANGEABLE
O-Ring
Pti Technologies Inc.
5331-00-618-2517MS29561-214 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5331-00-641-07777047091 INTERCHANGEABLE
O-Ring
U S Army Tank Automotive Command Amsta-Im-Mm
Cross-Reference Index
Part NumberManufacturer
N304-7-B19 Parker-Hannifin Corp Div O-Ring Division (USA)
AN6227B-19 Parker-Hannifin Corp Div O-Ring Division (USA)
N0304 2-214 Parker-Hannifin Corp Div O-Ring Division (USA)
PS1-30-5-B19 Parker-Hannifin Corp Div O-Ring Division (USA)
AN-6227-19 Chicago Gasket Co (USA)
AN6227B19 PRIMARY Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
Related Parts
5331-00-579-3163INTERCHANGEABLE
O-RING
0104-02-16
5331-00-618-2517INTERCHANGEABLE
O-RING
MS29561-214
5331-00-641-0777INTERCHANGEABLE
O-RING
7047091

Frequently Asked Questions

What is NSN 5331-01-040-5886?

NSN 5331-01-040-5886 is a O-Ring, manufactured by Lockheed Martin Corporation Div Rms - Mitchel Field, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-040-5886?

NSN 5331-01-040-5886 has 6 cross-referenced part numbers: N304-7-B19 (Parker-Hannifin Corp Div O-Ring Division), AN6227B-19 (Parker-Hannifin Corp Div O-Ring Division), N0304 2-214 (Parker-Hannifin Corp Div O-Ring Division), PS1-30-5-B19 (Parker-Hannifin Corp Div O-Ring Division), AN-6227-19 (Chicago Gasket Co) and 1 more.

What NSN replaces 5331-01-040-5886?

There are 3 known substitutes for 5331-01-040-5886: 5331-00-579-3163, 5331-00-618-2517, 5331-00-641-0777. Verify interchangeability with system specifications before substitution.

What are the specifications of AN6227B19?

Key specifications for AN6227B19: Cross-Sectional Height: 0.139 INCHES NOMINAL IN; Center Hole Diameter: 0.978 INCHES MINIMUM AND 0.990 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.
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