PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

ASM3303O-Ring

Sae International Dba Sae International · NSN 5331-00-935-6126 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-935-6126 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-935-6126. Primary manufacturer part number: ASM3303.
Features
  • O-Ring — FSC 5331
  • Outside Diameter: 0.691 INCHES NOMINAL IN
  • Center Hole Diameter: 0.548 INCHES MINIMUM AND 0.554 INCHES MAXIMUM IN
  • Temp Rating: -85.0 FAHRENHEIT AND 401.0 FAHRENHEIT DEGF
  • Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
  • Material: RUBBER SILICONE CLASS Q
  • Hardness Rating: 50.0 SHORE DUROMETER A NOMINAL
  • 6 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 5331-00-935-6126, 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 6 commercial cross-references from 4 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
NSN5331-00-935-6126
Primary Part NumberASM3303
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerSae International Dba Sae International
StatusACTIVE
Outside Diameter0.691 INCHES NOMINAL IN
Center Hole Diameter0.548 INCHES MINIMUM AND 0.554 INCHES MAXIMUM IN
Temp Rating-85.0 FAHRENHEIT AND 401.0 FAHRENHEIT DEGF
Cross-Sectional Height0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
MaterialRUBBER SILICONE CLASS Q
Hardness Rating50.0 SHORE DUROMETER A NOMINAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5331-00-439-8123 INTERCHANGEABLE
O-Ring
5331-00-831-6640 INTERCHANGEABLE
O-Ring
5331-00-845-8343414193-25 INTERCHANGEABLE
O-Ring
Raytheon Company Dba Raytheon
5331-01-020-5951 INTERCHANGEABLE
O-Ring
5330-01-049-6220028-09374-000 INTERCHANGEABLE
Packing,preformed
Johnson Controls Navy Systems, Llc
5331-01-115-8224 INTERCHANGEABLE
O-Ring
5331-01-123-3719 INTERCHANGEABLE
O-Ring
5331-01-166-1712AS568-015 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5331-01-666-7207 INTERCHANGEABLE
O-Ring
Cross-Reference Index
Part NumberManufacturer
ASM3303 Sae International Dba Sae International (USA)
MILS-STD-413 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
25626083-22 Hamilton Sundstrand Corporation (USA)
ASM3303 Society of Automotive Engineers Inc (USA)
AS568-015 Sae International Dba Sae International (USA)
AS568-015 Society of Automotive Engineers Inc (USA)
Related Parts
5331-00-439-8123INTERCHANGEABLE
O-RING
5331-00-831-6640INTERCHANGEABLE
O-RING
5331-00-845-8343INTERCHANGEABLE
O-RING
414193-25
5331-01-020-5951INTERCHANGEABLE
O-RING
5330-01-049-6220INTERCHANGEABLE
PACKING,PREFORMED
028-09374-000
5331-01-115-8224INTERCHANGEABLE
O-RING
5331-01-123-3719INTERCHANGEABLE
O-RING
5331-01-166-1712INTERCHANGEABLE
O-RING
AS568-015
5331-01-666-7207INTERCHANGEABLE
O-RING

Frequently Asked Questions

What is NSN 5331-00-935-6126?

NSN 5331-00-935-6126 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 5331-00-935-6126?

NSN 5331-00-935-6126 has 6 cross-referenced part numbers: ASM3303 (Sae International Dba Sae International), MILS-STD-413 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 25626083-22 (Hamilton Sundstrand Corporation), ASM3303 (Society of Automotive Engineers Inc), AS568-015 (Sae International Dba Sae International) and 1 more.

What NSN replaces 5331-00-935-6126?

There are 9 known substitutes for 5331-00-935-6126: 5331-00-439-8123, 5331-00-831-6640, 5331-00-845-8343 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of ASM3303?

Key specifications for ASM3303: Outside Diameter: 0.691 INCHES NOMINAL IN; Center Hole Diameter: 0.548 INCHES MINIMUM AND 0.554 INCHES MAXIMUM IN; Temp Rating: -85.0 FAHRENHEIT AND 401.0 FAHRENHEIT DEGF; Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.073 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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