PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2775278-102O-Ring

Parker Hannifin Corporation Div Aerospace Group Headquarters · NSN 5331-01-064-6285 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-064-6285 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-064-6285. Primary manufacturer part number: 2775278-102.
Features
  • O-Ring — FSC 5331
  • Temp Rating: -65.0 FAHRENHEIT AND 450.0 FAHRENHEIT DEGF
  • Outside Diameter: 1.139 INCHES MINIMUM AND 1.173 INCHES MAXIMUM IN
  • Center Hole Diameter: 0.915 INCHES MINIMUM AND 0.933 INCHES MAXIMUM IN
  • Material: RUBBER SILICONE CLASS Q
  • Cross-Sectional Height: 0.112 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN
  • Elongation Percentage: 125 MAXIMUM
  • Hardness Rating: 70.0 SHORE DUROMETER A NOMINAL
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Silicone Class Q construction
General Description

The O-Ring, cataloged under National Stock Number 5331-01-064-6285, 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 Aerospace Group Headquarters. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 26 commercial cross-references from 16 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5331-01-064-6285
Primary Part Number2775278-102
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerParker Hannifin Corporation Div Aerospace Group Headquarters
StatusCANCELLED
Temp Rating-65.0 FAHRENHEIT AND 450.0 FAHRENHEIT DEGF
Outside Diameter1.139 INCHES MINIMUM AND 1.173 INCHES MAXIMUM IN
Center Hole Diameter0.915 INCHES MINIMUM AND 0.933 INCHES MAXIMUM IN
MaterialRUBBER SILICONE CLASS Q
Cross-Sectional Height0.112 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN
Elongation Percentage125 MAXIMUM
Hardness Rating70.0 SHORE DUROMETER A NOMINAL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5331-00-052-0537 INTERCHANGEABLE
O-Ring
5331-00-135-7227AS3582-029 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5331-00-146-2670AS3582-248 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5331-00-152-9345ARP568-912M1LP25732 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5331-00-223-1073AS3582-249 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5331-00-279-91192-003S604-70 INTERCHANGEABLE
O-Ring
Parker-Hannifin Corp Div O-Ring Division
5331-00-298-9956203424 INTERCHANGEABLE
O-Ring
Lord Corporation Dba Lord Corp
5331-00-395-5737AS568-912 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5331-00-482-7963AS3582-236 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
9320-00-618-3547 INTERCHANGEABLE
Rubber Sheet,solid
Cross-Reference Index
Part NumberManufacturer
PRP568-912-1235 -70 Zf Industrieantriebe Witten Gmbh (DEU)
40003833 Meggitt Safety Systems, Inc. Dba Meggitt Control Systems-Ventura County (USA)
AS568-912 Society of Automotive Engineers Inc (USA)
10163887 Nimikkeistokeskus Ncb Finland (FIN)
AS568-912AMS3304 Society of Automotive Engineers Inc (USA)
912-11507 Parker Hannifin Corporation Div O-Ring Division (USA)
B86002-912S Parco, Llc (USA)
07A199-912S Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems (USA)
AS568-912/AMS33 04 Zf Industrieantriebe Witten Gmbh (DEU)
2775278-102 PRIMARY Parker Hannifin Corporation Div Aerospace Group Headquarters (USA)
123-3-912-2 Rix Industries (USA)
3-912 S604-70 Parker Hannifin Gmbh O-Ring Division (DEU)
07A199-912S Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems (USA)
AS568-912 Sae International Dba Sae International (USA)
3-912S604-7 Parker-Hannifin Corp Div O-Ring Division (USA)
012-S59 Federal-Mogul Corp Government Sales Dept (USA)
3-912S604 Zf Industrieantriebe Witten Gmbh (DEU)
3-12S604-7 Parker-Hannifin Corp Div O-Ring Division (USA)
AS568-912 ZZR76 5CL2BGR70 Zf Industrieantriebe Witten Gmbh (DEU)
GS570J3G12 Northrop Grumman Systems Corporation (USA)
Related Parts
5331-00-052-0537INTERCHANGEABLE
O-RING
5331-00-135-7227INTERCHANGEABLE
O-RING
AS3582-029
5331-00-146-2670INTERCHANGEABLE
O-RING
AS3582-248
5331-00-152-9345INTERCHANGEABLE
O-RING
ARP568-912M1LP25732
5331-00-223-1073INTERCHANGEABLE
O-RING
AS3582-249
5331-00-279-9119INTERCHANGEABLE
O-RING
2-003S604-70
5331-00-298-9956INTERCHANGEABLE
O-RING
203424
5331-00-395-5737INTERCHANGEABLE
O-RING
AS568-912
5331-00-482-7963INTERCHANGEABLE
O-RING
AS3582-236
9320-00-618-3547INTERCHANGEABLE
RUBBER SHEET,SOLID
5331-00-881-1234INTERCHANGEABLE
O-RING
AS3582-218
5331-00-927-0029INTERCHANGEABLE
O-RING
AS3582-153

Frequently Asked Questions

What is NSN 5331-01-064-6285?

NSN 5331-01-064-6285 is a O-Ring, manufactured by Parker Hannifin Corporation Div Aerospace Group Headquarters, classified under FSC 5331 (O-Ring). Status: cancelled.

What are the part numbers for NSN 5331-01-064-6285?

NSN 5331-01-064-6285 has 26 cross-referenced part numbers: PRP568-912-1235 -70 (Zf Industrieantriebe Witten Gmbh), 40003833 (Meggitt Safety Systems, Inc. Dba Meggitt Control Systems-Ventura County), AS568-912 (Society of Automotive Engineers Inc), 10163887 (Nimikkeistokeskus Ncb Finland), AS568-912AMS3304 (Society of Automotive Engineers Inc) and 21 more.

What NSN replaces 5331-01-064-6285?

There are 12 known substitutes for 5331-01-064-6285: 5331-00-052-0537, 5331-00-135-7227, 5331-00-146-2670 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2775278-102?

Key specifications for 2775278-102: Temp Rating: -65.0 FAHRENHEIT AND 450.0 FAHRENHEIT DEGF; Outside Diameter: 1.139 INCHES MINIMUM AND 1.173 INCHES MAXIMUM IN; Center Hole Diameter: 0.915 INCHES MINIMUM AND 0.933 INCHES MAXIMUM IN; Material: RUBBER SILICONE CLASS Q. 7 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5331-01-064-6285 still in active supply?

NSN 5331-01-064-6285 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.
PartsTable Design LLC · partstable.com