PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2-241S595-50O-Ring

Parker-Hannifin Corp Div O-Ring Division · NSN 5331-00-964-2807 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-964-2807 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-964-2807. Primary manufacturer part number: 2-241S595-50.
Features
  • O-Ring — FSC 5331
  • Temp Rating: -70.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
  • Hardness Rating: 50.0 SHORE DUROMETER A NOMINAL
  • Material: RUBBER SILICONE CLASS Q
  • Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
  • Outside Diameter: 4.101 INCHES MINIMUM AND 4.173 INCHES MAXIMUM IN
  • Center Hole Diameter: 3.831 INCHES MINIMUM AND 3.887 INCHES MAXIMUM IN
  • 11 verified cross-references
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 5331-00-964-2807, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Parker-Hannifin Corp Div O-Ring Division. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-00-964-2807
Primary Part Number2-241S595-50
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerParker-Hannifin Corp Div O-Ring Division
StatusACTIVE
Temp Rating-70.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
Hardness Rating50.0 SHORE DUROMETER A NOMINAL
MaterialRUBBER SILICONE CLASS Q
Cross-Sectional Height0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
Outside Diameter4.101 INCHES MINIMUM AND 4.173 INCHES MAXIMUM IN
Center Hole Diameter3.831 INCHES MINIMUM AND 3.887 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
9320-00-024-5088 INTERCHANGEABLE
Rubber Strip
5331-00-241-1073PRP568-036-1235-50 INTERCHANGEABLE
O-Ring
Parco, Llc
5331-00-584-2032100074 INTERCHANGEABLE
O-Ring
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
9320-00-641-1279 INTERCHANGEABLE
Rubber Sheet,solid
5331-00-825-9211 INTERCHANGEABLE
O-Ring
5331-00-912-2643 INTERCHANGEABLE
O-Ring
9320-00-924-6328 INTERCHANGEABLE
Rubber Sheet,solid
5331-00-933-7072SMB544229 INTERCHANGEABLE
O-Ring
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
9320-01-025-6281 INTERCHANGEABLE
Rubber Strip
9320-01-025-6283 INTERCHANGEABLE
Rubber Strip
Cross-Reference Index
Part NumberManufacturer
7512315P0002 Lockheed Martin Corp Naval Electronics & Surveillance Systems (USA)
AS568-241 Sae International Dba Sae International (USA)
7512315P2 Lockheed Martin Corp Naval Electronics & Surveillance Systems (USA)
2-241S595-50 PRIMARY Parker-Hannifin Corp Div O-Ring Division (USA)
S0595 2-241 Parker-Hannifin Corp Div O-Ring Division (USA)
AMS3302 Society of Automotive Engineers Inc (USA)
GS570K4 Northrop Grumman Systems Corporation (USA)
AMS3302 Sae International Dba Sae International (USA)
2-241 Parker Electric Co the (USA)
2-241S595-5 Parker-Hannifin Corp Div O-Ring Division (USA)
AS568-241 Society of Automotive Engineers Inc (USA)
Related Parts
9320-00-024-5088INTERCHANGEABLE
RUBBER STRIP
5331-00-241-1073INTERCHANGEABLE
O-RING
PRP568-036-1235-50
5331-00-584-2032INTERCHANGEABLE
O-RING
100074
9320-00-641-1279INTERCHANGEABLE
RUBBER SHEET,SOLID
5331-00-825-9211INTERCHANGEABLE
O-RING
5331-00-912-2643INTERCHANGEABLE
O-RING
9320-00-924-6328INTERCHANGEABLE
RUBBER SHEET,SOLID
5331-00-933-7072INTERCHANGEABLE
O-RING
SMB544229
9320-01-025-6281INTERCHANGEABLE
RUBBER STRIP
9320-01-025-6283INTERCHANGEABLE
RUBBER STRIP
9320-01-025-6284INTERCHANGEABLE
RUBBER STRIP
5331-01-102-9882INTERCHANGEABLE
O-RING

Frequently Asked Questions

What is NSN 5331-00-964-2807?

NSN 5331-00-964-2807 is a O-Ring, manufactured by Parker-Hannifin Corp Div O-Ring Division, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-00-964-2807?

NSN 5331-00-964-2807 has 11 cross-referenced part numbers: 7512315P0002 (Lockheed Martin Corp Naval Electronics & Surveillance Systems), AS568-241 (Sae International Dba Sae International), 7512315P2 (Lockheed Martin Corp Naval Electronics & Surveillance Systems), 2-241S595-50 (Parker-Hannifin Corp Div O-Ring Division), S0595 2-241 (Parker-Hannifin Corp Div O-Ring Division) and 6 more.

What NSN replaces 5331-00-964-2807?

There are 12 known substitutes for 5331-00-964-2807: 9320-00-024-5088, 5331-00-241-1073, 5331-00-584-2032 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2-241S595-50?

Key specifications for 2-241S595-50: Temp Rating: -70.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF; Hardness Rating: 50.0 SHORE DUROMETER A NOMINAL; Material: RUBBER SILICONE CLASS Q; Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN. 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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