PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

649-393-215-0O-Ring

Cfm International Inc Dba Cfm International · NSN 5331-00-166-8404 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-166-8404 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-166-8404. Primary manufacturer part number: 649-393-215-0.
Features
  • O-Ring — FSC 5331
  • Material: RUBBER FLUOROCARBON CLASS FPM
  • Hardness Rating: 75.0 SHORE DUROMETER A NOMINAL
  • Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
  • Center Hole Diameter: 1.036 INCHES MINIMUM AND 1.056 INCHES MAXIMUM IN
  • Elongation Percentage: 125 MAXIMUM
  • Outside Diameter: 1.306 INCHES MINIMUM AND 1.342 INCHES MAXIMUM IN
  • 49 verified cross-references
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Fluorocarbon Class Fpm construction
General Description

The O-Ring, cataloged under National Stock Number 5331-00-166-8404, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Cfm International Inc Dba Cfm International. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 49 commercial cross-references from 29 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5331-00-166-8404
Primary Part Number649-393-215-0
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerCfm International Inc Dba Cfm International
StatusCANCELLED
MaterialRUBBER FLUOROCARBON CLASS FPM
Hardness Rating75.0 SHORE DUROMETER A NOMINAL
Cross-Sectional Height0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
Center Hole Diameter1.036 INCHES MINIMUM AND 1.056 INCHES MAXIMUM IN
Elongation Percentage125 MAXIMUM
Outside Diameter1.306 INCHES MINIMUM AND 1.342 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
5331-01-312-3731262394 INTERCHANGEABLE
O-Ring
Eaton Aerospace, Llc Dba Jackson South
5331-01-470-0415SR-2702-75 INTERCHANGEABLE
O-Ring
Stillman Seal Corporation Div Stillman Seal Corperation
5331-01-592-134210018615 INTERCHANGEABLE
O-Ring
Romac Industries, Inc. Dba Hays Fluid Controls Div Hays Fluid Controls Division
5331-01-729-6372568215-7 INTERCHANGEABLE
O-Ring
Haskel International, Llc Dba Haskel International, Llc
Cross-Reference Index
Part NumberManufacturer
2-215V1164-75 Parker-Hannifin Corp Div O-Ring Division (USA)
215-17107 Parker Hannifin Corporation Div O-Ring Division (USA)
AS568-215AMS7280 Society of Automotive Engineers Inc (USA)
710893-30 Raytheon Company (USA)
710893-30 Raytheon Company Dba Raytheon Co (USA)
3235RA PIECE 21 Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA)
845-7285243 ITEM 26 Naval Sea Systems Command (USA)
GS570AP139C105 Northrop Grumman Systems Corporation (USA)
649-393-215-0 Safran Aircraft Engines (FRA)
2-215V747-75 Zf Industrieantriebe Witten Gmbh (DEU)
2-215V0747-75 Parker-Hannifin Corp Div O-Ring Division (USA)
710893-30 Raytheon Company Div Corp (USA)
AS568-215AMS7280 Sae International Dba Sae International (USA)
5331PL1988666 Jednolity Indeks Materialowy - Uniform Material Index (POL)
NAS1593-215 National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
21471-400 FIND 25 Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA)
21725-400 FIND 13 Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA)
AN6227-20 Zf Industrieantriebe Witten Gmbh (DEU)
2-215V1226-75 Parker-Hannifin Corp Div O-Ring Division (USA)
215-19357 Parker Hannifin Corporation Div O-Ring Division (USA)
Related Parts
5331-01-312-3731INTERCHANGEABLE
O-RING
262394
5331-01-470-0415INTERCHANGEABLE
O-RING
SR-2702-75
5331-01-592-1342INTERCHANGEABLE
O-RING
10018615
5331-01-729-6372INTERCHANGEABLE
O-RING
568215-7

Frequently Asked Questions

What is NSN 5331-00-166-8404?

NSN 5331-00-166-8404 is a O-Ring, manufactured by Cfm International Inc Dba Cfm International, classified under FSC 5331 (O-Ring). Status: cancelled.

What are the part numbers for NSN 5331-00-166-8404?

NSN 5331-00-166-8404 has 49 cross-referenced part numbers: 2-215V1164-75 (Parker-Hannifin Corp Div O-Ring Division), 215-17107 (Parker Hannifin Corporation Div O-Ring Division), AS568-215AMS7280 (Society of Automotive Engineers Inc), 710893-30 (Raytheon Company), 710893-30 (Raytheon Company Dba Raytheon Co) and 44 more.

What NSN replaces 5331-00-166-8404?

There are 4 known substitutes for 5331-00-166-8404: 5331-01-312-3731, 5331-01-470-0415, 5331-01-592-1342 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 649-393-215-0?

Key specifications for 649-393-215-0: Material: RUBBER FLUOROCARBON CLASS FPM; Hardness Rating: 75.0 SHORE DUROMETER A NOMINAL; Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN; Center Hole Diameter: 1.036 INCHES MINIMUM AND 1.056 INCHES MAXIMUM IN. 6 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5331-00-166-8404 still in active supply?

NSN 5331-00-166-8404 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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