PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

GRC27-7O-Ring

Parker-Hannifin Corporation Div O-Ring Division · NSN 5331-00-810-6195 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-810-6195 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-810-6195. Primary manufacturer part number: GRC27-7.
Features
  • O-Ring — FSC 5331
  • Material: RUBBER SYNTHETIC
  • Cross-Sectional Height: 0.070 INCHES NOMINAL IN
  • Center Hole Diameter: 0.359 INCHES MINIMUM AND 0.369 INCHES MAXIMUM IN
  • Elongation Percentage: 260 MAXIMUM
  • Outside Diameter: 0.493 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN
  • Temp Rating: -55.0 FAHRENHEIT AND 225.0 FAHRENHEIT DEGF
  • Hardness Rating: 70.0 SHORE DUROMETER A NOMINAL
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Synthetic construction
General Description

The O-Ring, cataloged under National Stock Number 5331-00-810-6195, 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 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 15 commercial cross-references from 12 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5331-00-810-6195
Primary Part NumberGRC27-7
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerParker-Hannifin Corporation Div O-Ring Division
StatusCANCELLED
MaterialRUBBER SYNTHETIC
Cross-Sectional Height0.070 INCHES NOMINAL IN
Center Hole Diameter0.359 INCHES MINIMUM AND 0.369 INCHES MAXIMUM IN
Elongation Percentage260 MAXIMUM
Outside Diameter0.493 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN
Temp Rating-55.0 FAHRENHEIT AND 225.0 FAHRENHEIT DEGF
Hardness Rating70.0 SHORE DUROMETER A NOMINAL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
5310-00-736-268754277 INTERCHANGEABLE
Washer,flat
L3harris Technologies, Inc Div Space & Airborne Systems
5950-00-841-75405427-7 INTERCHANGEABLE
Transformer,power
Raytheon Company Div Rmd Strategic
5331-01-028-08162-012N103-70 INTERCHANGEABLE
O-Ring
Parker-Hannifin Corp Div O-Ring Division
5930-01-216-513654277 INTERCHANGEABLE
Switch,liquid Level
Setra Systems, Inc. Dba Gems Sensors
5331-01-255-1848 INTERCHANGEABLE
O-Ring
Cross-Reference Index
Part NumberManufacturer
2-012 N103-70 Parker Hannifin Gmbh O-Ring Division (DEU)
5427-7 Parker-Hannifin Corp Div O-Ring Division (USA)
GRC27-7 PRIMARY Parker-Hannifin Corporation Div O-Ring Division (USA)
202891-10 PRIMARY Eaton Corp Dba Eaton Aerospace Jackson (USA)
S662-4016ANDPC15 Superior Pipe Specialties Co Superior Hydraulics Div (USA)
S1423CAH9900 PRIMARY Circor Pumps North America Llc (USA)
5427-7 Parker-Hannifin Corporation Dba Pneutronics Div Corporate Headquarters (USA)
1820-7XPAA70 Strohmeyer, Julie a. Dba Julie a. Strohmeyer (USA)
512B2-19 Cardwell Condenser Corp Lapointe-Admiral Div (USA)
SG4057PC46 Siemens Energy, Inc. (USA)
J200AB12 Marotta Controls Inc (USA)
S1423CAH9900 Siemens Energy, Inc. (USA)
1H6248 PRIMARY Fisher Controls Co Inc (USA)
2-012N103-70 Parker-Hannifin Corp Div O-Ring Division (USA)
SG4057PC46 Circor Pumps North America Llc (USA)
Related Parts
5310-00-736-2687INTERCHANGEABLE
WASHER,FLAT
54277
5950-00-841-7540INTERCHANGEABLE
TRANSFORMER,POWER
5427-7
5331-01-028-0816INTERCHANGEABLE
O-RING
2-012N103-70
5930-01-216-5136INTERCHANGEABLE
SWITCH,LIQUID LEVEL
54277
5331-01-255-1848INTERCHANGEABLE
O-RING

Frequently Asked Questions

What is NSN 5331-00-810-6195?

NSN 5331-00-810-6195 is a O-Ring, manufactured by Parker-Hannifin Corporation Div O-Ring Division, classified under FSC 5331 (O-Ring). Status: cancelled.

What are the part numbers for NSN 5331-00-810-6195?

NSN 5331-00-810-6195 has 15 cross-referenced part numbers: 2-012 N103-70 (Parker Hannifin Gmbh O-Ring Division), 5427-7 (Parker-Hannifin Corp Div O-Ring Division), GRC27-7 (Parker-Hannifin Corporation Div O-Ring Division), 202891-10 (Eaton Corp Dba Eaton Aerospace Jackson), S662-4016ANDPC15 (Superior Pipe Specialties Co Superior Hydraulics Div) and 10 more.

What NSN replaces 5331-00-810-6195?

There are 5 known substitutes for 5331-00-810-6195: 5310-00-736-2687, 5950-00-841-7540, 5331-01-028-0816 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of GRC27-7?

Key specifications for GRC27-7: Material: RUBBER SYNTHETIC; Cross-Sectional Height: 0.070 INCHES NOMINAL IN; Center Hole Diameter: 0.359 INCHES MINIMUM AND 0.369 INCHES MAXIMUM IN; Elongation Percentage: 260 MAXIMUM. 7 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5331-00-810-6195 still in active supply?

NSN 5331-00-810-6195 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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