PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AS568-155O-Ring

Sae International Dba Sae International · NSN 5331-01-502-9406 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-502-9406 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-502-9406. Primary manufacturer part number: AS568-155.
Features
  • O-Ring — FSC 5331
  • Material: RUBBER SILICONE CLASS Q
  • Cross-Sectional Height: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
  • Center Hole Diameter: 3.959 INCHES MINIMUM AND 4.015 INCHES MAXIMUM IN
  • Material Document and Classification: SAE AMS 3301 ASSN STD SINGLE MATERIAL RESPONSE
  • Temp Rating: -85.0 FAHRENHEIT AND 401.0 FAHRENHEIT DEGF
  • Hardness Rating: 40.0 SHORE DUROMETER A NOMINAL
  • 3 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 5331-01-502-9406, 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 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 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
NSN5331-01-502-9406
Primary Part NumberAS568-155
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerSae International Dba Sae International
StatusACTIVE
MaterialRUBBER SILICONE CLASS Q
Cross-Sectional Height0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
Center Hole Diameter3.959 INCHES MINIMUM AND 4.015 INCHES MAXIMUM IN
Material Document and ClassificationSAE AMS 3301 ASSN STD SINGLE MATERIAL RESPONSE
Temp Rating-85.0 FAHRENHEIT AND 401.0 FAHRENHEIT DEGF
Hardness Rating40.0 SHORE DUROMETER A NOMINAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
9320-00-576-4977 INTERCHANGEABLE
Rubber Sheet,solid
9320-00-618-0853 INTERCHANGEABLE
Rubber Sheet,solid
9320-00-682-7539 INTERCHANGEABLE
Rubber Sheet,solid
5331-00-820-2041 INTERCHANGEABLE
O-Ring
5331-00-928-0487AS568-258 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
9320-01-305-5869 INTERCHANGEABLE
Rubber Sheet,solid
5330-01-344-7492 INTERCHANGEABLE
Packing,preformed
9320-01-356-5893 INTERCHANGEABLE
Rubber Sheet,solid
5331-01-476-2415 INTERCHANGEABLE
O-Ring
Cross-Reference Index
Part NumberManufacturer
AS568-155 Sae International Dba Sae International (USA)
95210009-01 Moog Inc. Dba Moog Components Group (USA)
AMS 3301 Sae International Dba Sae International (USA)
Related Parts
9320-00-576-4977INTERCHANGEABLE
RUBBER SHEET,SOLID
9320-00-618-0853INTERCHANGEABLE
RUBBER SHEET,SOLID
9320-00-682-7539INTERCHANGEABLE
RUBBER SHEET,SOLID
5331-00-820-2041INTERCHANGEABLE
O-RING
5331-00-928-0487INTERCHANGEABLE
O-RING
AS568-258
9320-01-305-5869INTERCHANGEABLE
RUBBER SHEET,SOLID
5330-01-344-7492INTERCHANGEABLE
PACKING,PREFORMED
9320-01-356-5893INTERCHANGEABLE
RUBBER SHEET,SOLID
5331-01-476-2415INTERCHANGEABLE
O-RING

Frequently Asked Questions

What is NSN 5331-01-502-9406?

NSN 5331-01-502-9406 is a O-Ring, manufactured by Sae International Dba Sae International, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-502-9406?

NSN 5331-01-502-9406 has 3 cross-referenced part numbers: AS568-155 (Sae International Dba Sae International), 95210009-01 (Moog Inc. Dba Moog Components Group), AMS 3301 (Sae International Dba Sae International).

What NSN replaces 5331-01-502-9406?

There are 9 known substitutes for 5331-01-502-9406: 9320-00-576-4977, 9320-00-618-0853, 9320-00-682-7539 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AS568-155?

Key specifications for AS568-155: End Item Identification: AIRCRAFT, STRATOLIFTER C-135; Material: RUBBER SILICONE CLASS Q; Cross-Sectional Height: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN; Center Hole Diameter: 3.959 INCHES MINIMUM AND 4.015 INCHES MAXIMUM IN. 8 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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