PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SAE-AS28775O-Ring

Sae International Dba Sae International · NSN 5331-01-287-4813 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-287-4813 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-287-4813. Primary manufacturer part number: SAE-AS28775.
Features
  • O-Ring — FSC 5331
  • Center Hole Diameter: 2.474 INCHES MINIMUM AND 2.494 INCHES MAXIMUM IN
  • Departure From Cited Document: CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D
  • Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
  • Criticality Code Justification: ZZZW
  • 8 verified cross-references
  • Primary manufacturer: Sae International Dba Sae International
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The O-Ring, cataloged under National Stock Number 5331-01-287-4813, 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 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-01-287-4813
Primary Part NumberSAE-AS28775
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerSae International Dba Sae International
StatusACTIVE
Center Hole Diameter2.474 INCHES MINIMUM AND 2.494 INCHES MAXIMUM IN
Departure From Cited DocumentCLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D
Cross-Sectional Height0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
Criticality Code JustificationZZZW
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5331-00-982-4259MS28775-230 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5331-01-219-7931 INTERCHANGEABLE
O-Ring
5331-01-240-5987 INTERCHANGEABLE
O-Ring
5331-01-644-0022MS28775-230 INTERCHANGEABLE
O-Ring
Trelleborg Sealing Solutions Us, Inc.
Cross-Reference Index
Part NumberManufacturer
SAE-AS28775 Sae International Dba Sae International (USA)
MS28775-230 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
A180-230 Vacco Industries (USA)
MS28775-230CP Sae International Dba Sae International (USA)
MS28775-230 Sae International Dba Sae International (USA)
MS28775-230 Society of Automotive Engineers Inc (USA)
MS28775-230CP Naval Inventory Control Point Mechanicsburg (USA)
A180-230CP Naval Inventory Control Point Mechanicsburg (USA)
Related Parts
5331-00-982-4259INTERCHANGEABLE
O-RING
MS28775-230
5331-01-219-7931INTERCHANGEABLE
O-RING
5331-01-240-5987INTERCHANGEABLE
O-RING
5331-01-644-0022INTERCHANGEABLE
O-RING
MS28775-230

Frequently Asked Questions

What is NSN 5331-01-287-4813?

NSN 5331-01-287-4813 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 5331-01-287-4813?

NSN 5331-01-287-4813 has 8 cross-referenced part numbers: SAE-AS28775 (Sae International Dba Sae International), MS28775-230 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), A180-230 (Vacco Industries), MS28775-230CP (Sae International Dba Sae International), MS28775-230 (Sae International Dba Sae International) and 3 more.

What NSN replaces 5331-01-287-4813?

There are 4 known substitutes for 5331-01-287-4813: 5331-00-982-4259, 5331-01-219-7931, 5331-01-240-5987 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of SAE-AS28775?

Key specifications for SAE-AS28775: Center Hole Diameter: 2.474 INCHES MINIMUM AND 2.494 INCHES MAXIMUM IN; Departure From Cited Document: CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D; Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN; Criticality Code Justification: ZZZW. 4 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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