PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-R-83248 TY 1, CL 2O-Ring

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5331-01-411-9048 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-411-9048 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-411-9048. Primary manufacturer part number: MIL-R-83248 TY 1, CL 2.
Features
  • O-Ring — FSC 5331
  • Material: RUBBER FLUOROCARBON CLASS FPM
  • Hardness Rating: 85.0 SHORE DUROMETER A MINIMUM AND 95.0 SHORE DUROMETER A MAXIMUM
  • Center Hole Diameter: 0.849 INCHES MINIMUM AND 0.869 INCHES MAXIMUM IN
  • Material Document and Classification: MIL-R-83248/2 MIL SPEC SINGLE MATERIAL RESPONSE
  • Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
  • 2 verified cross-references
  • Primary manufacturer: Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Fluorocarbon Class Fpm construction
General Description

The O-Ring, cataloged under National Stock Number 5331-01-411-9048, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Military Specifications Promulgated by Military Departments/agencies 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 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-01-411-9048
Primary Part NumberMIL-R-83248 TY 1, CL 2
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
MaterialRUBBER FLUOROCARBON CLASS FPM
Hardness Rating85.0 SHORE DUROMETER A MINIMUM AND 95.0 SHORE DUROMETER A MAXIMUM
Center Hole Diameter0.849 INCHES MINIMUM AND 0.869 INCHES MAXIMUM IN
Material Document and ClassificationMIL-R-83248/2 MIL SPEC SINGLE MATERIAL RESPONSE
Cross-Sectional Height0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5331-00-140-7664AS3581-212 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5331-00-166-84032-212V1164-75 INTERCHANGEABLE
O-Ring
Parker-Hannifin Corp Div O-Ring Division
5331-00-916-9801 INTERCHANGEABLE
O-Ring
5331-01-295-1075AS568-001 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5331-01-304-9500AS3581-455 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5331-01-305-0238AS3581-272 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
Cross-Reference Index
Part NumberManufacturer
MIL-R-83248 TY 1, CL 2 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-R-83248/2-212 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5331-00-140-7664INTERCHANGEABLE
O-RING
AS3581-212
5331-00-166-8403INTERCHANGEABLE
O-RING
2-212V1164-75
5331-00-916-9801INTERCHANGEABLE
O-RING
5331-01-295-1075INTERCHANGEABLE
O-RING
AS568-001
5331-01-304-9500INTERCHANGEABLE
O-RING
AS3581-455
5331-01-305-0238INTERCHANGEABLE
O-RING
AS3581-272

Frequently Asked Questions

What is NSN 5331-01-411-9048?

NSN 5331-01-411-9048 is a O-Ring, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-411-9048?

NSN 5331-01-411-9048 has 2 cross-referenced part numbers: MIL-R-83248 TY 1, CL 2 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-R-83248/2-212 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5331-01-411-9048?

There are 6 known substitutes for 5331-01-411-9048: 5331-00-140-7664, 5331-00-166-8403, 5331-00-916-9801 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-R-83248 TY 1, CL 2?

Key specifications for MIL-R-83248 TY 1, CL 2: End Item Identification: W/S: MOORED TRAINING SHIP; HX UNIQUE; Material: RUBBER FLUOROCARBON CLASS FPM; Hardness Rating: 85.0 SHORE DUROMETER A MINIMUM AND 95.0 SHORE DUROMETER A MAXIMUM; Center Hole Diameter: 0.849 INCHES MINIMUM AND 0.869 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.
PartsTable Design LLC · partstable.com