PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS90064-6O-Ring

Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M · NSN 5331-00-806-3197 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-806-3197 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-806-3197. Primary manufacturer part number: MS90064-6.
Features
  • O-Ring — FSC 5331
  • Center Hole Diameter: 1.545 INCHES MINIMUM AND 1.555 INCHES MAXIMUM IN
  • Hardness Rating: 60.0 SHORE DUROMETER A NOMINAL
  • Cross-Sectional Height: 0.089 INCHES MINIMUM AND 0.095 INCHES MAXIMUM IN
  • Material: RUBBER SILICONE CLASS Q
  • Temp Rating: -85.0 FAHRENHEIT AND 401.0 FAHRENHEIT DEGF
  • 13 verified cross-references
  • Primary manufacturer: Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
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 5331-00-806-3197, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 13 commercial cross-references from 10 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-00-806-3197
Primary Part NumberMS90064-6
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerMilitary Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
Center Hole Diameter1.545 INCHES MINIMUM AND 1.555 INCHES MAXIMUM IN
Hardness Rating60.0 SHORE DUROMETER A NOMINAL
Cross-Sectional Height0.089 INCHES MINIMUM AND 0.095 INCHES MAXIMUM IN
MaterialRUBBER SILICONE CLASS Q
Temp Rating-85.0 FAHRENHEIT AND 401.0 FAHRENHEIT DEGF
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5331-00-097-6395 INTERCHANGEABLE
O-Ring
5331-00-543-6478 INTERCHANGEABLE
O-Ring
5331-00-599-2831 INTERCHANGEABLE
O-Ring
5331-00-684-5098 INTERCHANGEABLE
O-Ring
5331-00-809-3816 INTERCHANGEABLE
O-Ring
5331-00-883-8743A-A-55549-11 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5331-00-926-9314 INTERCHANGEABLE
O-Ring
5331-01-179-0252M83461/1-345 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5331-01-443-8690 INTERCHANGEABLE
O-Ring
Cross-Reference Index
Part NumberManufacturer
MS90064-6 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
ABS 3302 Society of Automotive Engineers Inc (USA)
A-A-55549-14 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
S899-50 Parker-Hannifin Corp Div O-Ring Division (USA)
AA55549-14 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
8668-341X2PC153 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
ABS 3302 Sae International Dba Sae International (USA)
MS90064-14 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
5M.3882.220.11 Hensoldt Sensors Gmbh Div Seps (DEU)
416141-14 Raytheon Company Dba Raytheon (USA)
8668-334R1PC8 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
5331PL0839144 Jednolity Indeks Materialowy - Uniform Material Index (POL)
A-A-55549 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
Related Parts
5331-00-097-6395INTERCHANGEABLE
O-RING
5331-00-543-6478INTERCHANGEABLE
O-RING
5331-00-599-2831INTERCHANGEABLE
O-RING
5331-00-684-5098INTERCHANGEABLE
O-RING
5331-00-809-3816INTERCHANGEABLE
O-RING
5331-00-883-8743INTERCHANGEABLE
O-RING
A-A-55549-11
5331-00-926-9314INTERCHANGEABLE
O-RING
5331-01-179-0252INTERCHANGEABLE
O-RING
M83461/1-345
5331-01-443-8690INTERCHANGEABLE
O-RING

Frequently Asked Questions

What is NSN 5331-00-806-3197?

NSN 5331-00-806-3197 is a O-Ring, manufactured by Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-00-806-3197?

NSN 5331-00-806-3197 has 13 cross-referenced part numbers: MS90064-6 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), ABS 3302 (Society of Automotive Engineers Inc), A-A-55549-14 (Federal Specifications Promulgated by General Services Administration Washington DC), S899-50 (Parker-Hannifin Corp Div O-Ring Division), AA55549-14 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC) and 8 more.

What NSN replaces 5331-00-806-3197?

There are 9 known substitutes for 5331-00-806-3197: 5331-00-097-6395, 5331-00-543-6478, 5331-00-599-2831 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MS90064-6?

Key specifications for MS90064-6: Center Hole Diameter: 1.545 INCHES MINIMUM AND 1.555 INCHES MAXIMUM IN; Hardness Rating: 60.0 SHORE DUROMETER A NOMINAL; Cross-Sectional Height: 0.089 INCHES MINIMUM AND 0.095 INCHES MAXIMUM IN; Material: RUBBER SILICONE CLASS Q. 5 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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