PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

ARP568-912MILG2 2050O-Ring

Zf Industrieantriebe Witten Gmbh · NSN 5331-00-935-9203 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-935-9203 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-935-9203. Primary manufacturer part number: ARP568-912MILG2 2050.
Features
  • O-Ring — FSC 5331
  • Center Hole Diameter: 0.915 INCHES MINIMUM AND 0.933 INCHES MAXIMUM IN
  • Cross-Sectional Height: 0.112 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN
  • Material: RUBBER ETHYLENE-PROPYLENE CLASS EPM
  • 14 verified cross-references
  • Primary manufacturer: Zf Industrieantriebe Witten Gmbh
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Ethylene-Propylene Class Epm construction
General Description

The O-Ring, cataloged under National Stock Number 5331-00-935-9203, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Zf Industrieantriebe Witten Gmbh. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 14 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5331-00-935-9203
Primary Part NumberARP568-912MILG2 2050
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerZf Industrieantriebe Witten Gmbh
StatusCANCELLED
Center Hole Diameter0.915 INCHES MINIMUM AND 0.933 INCHES MAXIMUM IN
Cross-Sectional Height0.112 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN
MaterialRUBBER ETHYLENE-PROPYLENE CLASS EPM
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 9
5331-00-152-9345ARP568-912M1LP25732 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5331-00-298-9956203424 INTERCHANGEABLE
O-Ring
Lord Corporation Dba Lord Corp
5331-00-394-9850912-9259 INTERCHANGEABLE
O-Ring
Parker Hannifin Corporation Div O-Ring Division
5331-00-395-5737AS568-912 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5331-01-057-3127AS568-912 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5331-01-064-62852775278-102 INTERCHANGEABLE
O-Ring
Parker Hannifin Corporation Div Aerospace Group Headquarters
5331-01-318-4560AS568-912 INTERCHANGEABLE
O-Ring
Dante Valve Company
5331-01-431-3610 INTERCHANGEABLE
O-Ring
5331-01-563-1737 INTERCHANGEABLE
O-Ring
Cross-Reference Index
Part NumberManufacturer
ARP568-912MILG2 2050 Zf Industrieantriebe Witten Gmbh (DEU)
S9515-AL-MMA-010,7-61 ITEM8 Naval Sea Systems Command (USA)
3-912E515-8 Parker-Hannifin Corp Div O-Ring Division (USA)
AS568-912 Sae International Dba Sae International (USA)
CP031A91D3 Hamilton Sundstrand Corporation Dba Collins Aerospace (USA)
3-12E515-8 Parker-Hannifin Corp Div O-Ring Division (USA)
NV822201 FIND 145 Hamilton Sundstrand Corporation Dba Collins Aerospace (USA)
MIL-DTL-22050 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
E0515 3-912 Parker-Hannifin Corp Div O-Ring Division (USA)
S9515-AL-MMA-010,7-60 ITEM11 Naval Sea Systems Command (USA)
S9515-AL-MMA-010,7-41 ITEM4 Naval Sea Systems Command (USA)
S9515-AL-MMA-010,7-11 ITEM 9 Naval Sea Systems Command (USA)
3-912E540-8 Zf Industrieantriebe Witten Gmbh (DEU)
AS568-912 Society of Automotive Engineers Inc (USA)
Related Parts
5331-00-152-9345INTERCHANGEABLE
O-RING
ARP568-912M1LP25732
5331-00-298-9956INTERCHANGEABLE
O-RING
203424
5331-00-394-9850INTERCHANGEABLE
O-RING
912-9259
5331-00-395-5737INTERCHANGEABLE
O-RING
AS568-912
5331-01-057-3127INTERCHANGEABLE
O-RING
AS568-912
5331-01-064-6285INTERCHANGEABLE
O-RING
2775278-102
5331-01-318-4560INTERCHANGEABLE
O-RING
AS568-912
5331-01-431-3610INTERCHANGEABLE
O-RING
5331-01-563-1737INTERCHANGEABLE
O-RING

Frequently Asked Questions

What is NSN 5331-00-935-9203?

NSN 5331-00-935-9203 is a O-Ring, manufactured by Zf Industrieantriebe Witten Gmbh, classified under FSC 5331 (O-Ring). Status: cancelled.

What are the part numbers for NSN 5331-00-935-9203?

NSN 5331-00-935-9203 has 14 cross-referenced part numbers: ARP568-912MILG2 2050 (Zf Industrieantriebe Witten Gmbh), S9515-AL-MMA-010,7-61 ITEM8 (Naval Sea Systems Command), 3-912E515-8 (Parker-Hannifin Corp Div O-Ring Division), AS568-912 (Sae International Dba Sae International), CP031A91D3 (Hamilton Sundstrand Corporation Dba Collins Aerospace) and 9 more.

What NSN replaces 5331-00-935-9203?

There are 9 known substitutes for 5331-00-935-9203: 5331-00-152-9345, 5331-00-298-9956, 5331-00-394-9850 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of ARP568-912MILG2 2050?

Key specifications for ARP568-912MILG2 2050: Center Hole Diameter: 0.915 INCHES MINIMUM AND 0.933 INCHES MAXIMUM IN; Cross-Sectional Height: 0.112 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN; Material: RUBBER ETHYLENE-PROPYLENE CLASS EPM. 3 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5331-00-935-9203 still in active supply?

NSN 5331-00-935-9203 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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