PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

ARP568-912MILG22050GR1O-Ring

Parker Hannifin Corporation Div O-Ring Division · NSN 5331-00-245-4629 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-245-4629 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-245-4629. Primary manufacturer part number: ARP568-912MILG22050GR1.
Features
  • O-Ring — FSC 5331
  • Center Hole Diameter: 0.918 INCHES MINIMUM AND 0.930 INCHES MAXIMUM IN
  • Material: RUBBER ISOBUTYLENE-ISOPRENE CLASS IIR
  • Elongation Percentage: 250 MAXIMUM
  • Outside Diameter: 1.156 INCHES NOMINAL IN
  • Cross-Sectional Height: 0.112 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN
  • 5 verified cross-references
  • Primary manufacturer: Parker Hannifin Corporation Div O-Ring Division
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Isobutylene-Isoprene Class Iir construction
General Description

The O-Ring, cataloged under National Stock Number 5331-00-245-4629, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Parker Hannifin Corporation Div O-Ring Division. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 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
NSN5331-00-245-4629
Primary Part NumberARP568-912MILG22050GR1
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerParker Hannifin Corporation Div O-Ring Division
StatusACTIVE
Center Hole Diameter0.918 INCHES MINIMUM AND 0.930 INCHES MAXIMUM IN
MaterialRUBBER ISOBUTYLENE-ISOPRENE CLASS IIR
Elongation Percentage250 MAXIMUM
Outside Diameter1.156 INCHES NOMINAL IN
Cross-Sectional Height0.112 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5331-00-251-8839MS28778-12 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5331-00-513-7573ARP568-912 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
Cross-Reference Index
Part NumberManufacturer
200-2376-350 Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
AS568-912MIL-G- 22050 Zf Industrieantriebe Witten Gmbh (DEU)
AS568-912M1L-G- 22050GR1 Zf Industrieantriebe Witten Gmbh (DEU)
ARP568-912MILG22050GR1 PRIMARY Parker Hannifin Corporation Div O-Ring Division (USA)
ARP568-912 Parker Hannifin Corporation Div O-Ring Division (USA)
Related Parts
5331-00-251-8839INTERCHANGEABLE
O-RING
MS28778-12
5331-00-513-7573INTERCHANGEABLE
O-RING
ARP568-912

Frequently Asked Questions

What is NSN 5331-00-245-4629?

NSN 5331-00-245-4629 is a O-Ring, manufactured by Parker Hannifin Corporation Div O-Ring Division, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-00-245-4629?

NSN 5331-00-245-4629 has 5 cross-referenced part numbers: 200-2376-350 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems), AS568-912MIL-G- 22050 (Zf Industrieantriebe Witten Gmbh), AS568-912M1L-G- 22050GR1 (Zf Industrieantriebe Witten Gmbh), ARP568-912MILG22050GR1 (Parker Hannifin Corporation Div O-Ring Division), ARP568-912 (Parker Hannifin Corporation Div O-Ring Division).

What NSN replaces 5331-00-245-4629?

There are 2 known substitutes for 5331-00-245-4629: 5331-00-251-8839, 5331-00-513-7573. Verify interchangeability with system specifications before substitution.

What are the specifications of ARP568-912MILG22050GR1?

Key specifications for ARP568-912MILG22050GR1: Center Hole Diameter: 0.918 INCHES MINIMUM AND 0.930 INCHES MAXIMUM IN; Material: RUBBER ISOBUTYLENE-ISOPRENE CLASS IIR; Elongation Percentage: 250 MAXIMUM; Outside Diameter: 1.156 INCHES NOMINAL IN. 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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