PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AS568-021O-Ring

Beemer Precision Inc · NSN 5331-01-150-1209 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-150-1209 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-150-1209. Primary manufacturer part number: AS568-021.
Features
  • O-Ring — FSC 5331
  • Material: RUBBER POLYMETHYLENE-PERFLUOROALKYLENE CLASS FKM
  • Temp Rating: -65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF
  • Outside Diameter: 1.066 INCHES NOMINAL IN
  • Elongation Percentage: 160 MAXIMUM
  • Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
  • Center Hole Diameter: 0.917 INCHES MINIMUM AND 0.935 INCHES MAXIMUM IN
  • 1 verified cross-reference
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Polymethylene-Perfluoroalkylene Class Fkm construction
General Description

The O-Ring, cataloged under National Stock Number 5331-01-150-1209, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Beemer Precision Inc. Government technical data includes 6 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-01-150-1209
Primary Part NumberAS568-021
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerBeemer Precision Inc
StatusACTIVE
MaterialRUBBER POLYMETHYLENE-PERFLUOROALKYLENE CLASS FKM
Temp Rating-65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF
Outside Diameter1.066 INCHES NOMINAL IN
Elongation Percentage160 MAXIMUM
Cross-Sectional Height0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
Center Hole Diameter0.917 INCHES MINIMUM AND 0.935 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5331-00-436-71072-021S613-6 INTERCHANGEABLE
O-Ring
Parker-Hannifin Corp Div O-Ring Division
5331-01-037-3444 INTERCHANGEABLE
O-Ring
5331-01-666-7214 INTERCHANGEABLE
O-Ring
Cross-Reference Index
Part NumberManufacturer
AS568-021 PRIMARY Beemer Precision Inc (USA)
Related Parts
5331-00-436-7107INTERCHANGEABLE
O-RING
2-021S613-6
5331-01-037-3444INTERCHANGEABLE
O-RING
5331-01-666-7214INTERCHANGEABLE
O-RING

Frequently Asked Questions

What is NSN 5331-01-150-1209?

NSN 5331-01-150-1209 is a O-Ring, manufactured by Beemer Precision Inc, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-150-1209?

NSN 5331-01-150-1209 has 1 cross-referenced part number: AS568-021 (Beemer Precision Inc).

What NSN replaces 5331-01-150-1209?

There are 3 known substitutes for 5331-01-150-1209: 5331-00-436-7107, 5331-01-037-3444, 5331-01-666-7214. Verify interchangeability with system specifications before substitution.

What are the specifications of AS568-021?

Key specifications for AS568-021: Material: RUBBER POLYMETHYLENE-PERFLUOROALKYLENE CLASS FKM; Temp Rating: -65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF; Outside Diameter: 1.066 INCHES NOMINAL IN; Elongation Percentage: 160 MAXIMUM. 6 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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