PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS9385-08O-Ring

Sae International Dba Sae International · NSN 5331-00-222-1685 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-222-1685 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-222-1685. Primary manufacturer part number: MS9385-08.
Features
  • O-Ring — FSC 5331
  • Material: RUBBER SILICONE CLASS Q
  • Outside Diameter: 0.818 INCHES NOMINAL IN
  • Hardness Rating: 75.0 SHORE DUROMETER A NOMINAL
  • Cross-Sectional Height: 0.084 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN
  • Center Hole Diameter: 0.639 INCHES MINIMUM AND 0.649 INCHES MAXIMUM IN
  • Elongation Percentage: 125 MAXIMUM
  • Temp Rating: -85.0 FAHRENHEIT AND 500.0 FAHRENHEIT DEGF
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 5331-00-222-1685, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Sae International Dba Sae International. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 9 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
NSN5331-00-222-1685
Primary Part NumberMS9385-08
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerSae International Dba Sae International
StatusCANCELLED
MaterialRUBBER SILICONE CLASS Q
Outside Diameter0.818 INCHES NOMINAL IN
Hardness Rating75.0 SHORE DUROMETER A NOMINAL
Cross-Sectional Height0.084 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN
Center Hole Diameter0.639 INCHES MINIMUM AND 0.649 INCHES MAXIMUM IN
Elongation Percentage125 MAXIMUM
Temp Rating-85.0 FAHRENHEIT AND 500.0 FAHRENHEIT DEGF
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5331-00-123-2829MS9385-05 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5331-00-132-6971MS9385-06 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5331-00-163-6624MS9385-11 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5331-00-180-9567MS9386-912 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5331-00-221-6178MS9385-03 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5331-00-222-1680MS9386-904 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5331-00-406-0882D-67500-9 INTERCHANGEABLE
O-Ring
Itw Food Equipment Group Llc Dba Hobart Service
5331-00-470-8189MS9385-16 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5331-00-524-7545MS9385-10 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5331-01-171-0604MS9385-14 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
Cross-Reference Index
Part NumberManufacturer
MS9385-08 PRIMARY Sae International Dba Sae International (USA)
S8990-583 Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix (USA)
5331PL0654967 Jednolity Indeks Materialowy - Uniform Material Index (POL)
MS9385-08 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
9469131908 Pilatus Aircraft Ltd (CHE)
S8990-583 Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) (USA)
MS9385-08ES Eriks B.v. (NLD)
MS9385-08 Society of Automotive Engineers Inc (USA)
10117068 Nimikkeistokeskus Ncb Finland (FIN)
SAE-AS9385 Sae International Dba Sae International (USA)
Related Parts
5331-00-123-2829INTERCHANGEABLE
O-RING
MS9385-05
5331-00-132-6971INTERCHANGEABLE
O-RING
MS9385-06
5331-00-163-6624INTERCHANGEABLE
O-RING
MS9385-11
5331-00-180-9567INTERCHANGEABLE
O-RING
MS9386-912
5331-00-221-6178INTERCHANGEABLE
O-RING
MS9385-03
5331-00-222-1680INTERCHANGEABLE
O-RING
MS9386-904
5331-00-406-0882INTERCHANGEABLE
O-RING
D-67500-9
5331-00-470-8189INTERCHANGEABLE
O-RING
MS9385-16
5331-00-524-7545INTERCHANGEABLE
O-RING
MS9385-10
5331-01-171-0604INTERCHANGEABLE
O-RING
MS9385-14
5331-01-235-3183INTERCHANGEABLE
O-RING
MS9385-07
5331-01-355-2708INTERCHANGEABLE
O-RING
MS9385-28

Frequently Asked Questions

What is NSN 5331-00-222-1685?

NSN 5331-00-222-1685 is a O-Ring, manufactured by Sae International Dba Sae International, classified under FSC 5331 (O-Ring). Status: cancelled.

What are the part numbers for NSN 5331-00-222-1685?

NSN 5331-00-222-1685 has 10 cross-referenced part numbers: MS9385-08 (Sae International Dba Sae International), S8990-583 (Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix), 5331PL0654967 (Jednolity Indeks Materialowy - Uniform Material Index), MS9385-08 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 9469131908 (Pilatus Aircraft Ltd) and 5 more.

What NSN replaces 5331-00-222-1685?

There are 12 known substitutes for 5331-00-222-1685: 5331-00-123-2829, 5331-00-132-6971, 5331-00-163-6624 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MS9385-08?

Key specifications for MS9385-08: Material: RUBBER SILICONE CLASS Q; Outside Diameter: 0.818 INCHES NOMINAL IN; Hardness Rating: 75.0 SHORE DUROMETER A NOMINAL; Cross-Sectional Height: 0.084 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN. 7 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5331-00-222-1685 still in active supply?

NSN 5331-00-222-1685 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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