PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-R-83248/1O-Ring

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5331-01-005-0515 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-005-0515 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-005-0515. Primary manufacturer part number: MIL-R-83248/1.
Features
  • O-Ring — FSC 5331
  • Material: RUBBER FLUOROCARBON CLASS FPM
  • Center Hole Diameter: 6.447 INCHES MINIMUM AND 6.527 INCHES MAXIMUM IN
  • Outside Diameter: 6.693 INCHES NOMINAL IN
  • Temp Rating: -20.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
  • Cross-Sectional Height: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
  • Hardness Rating: 75.0 SHORE DUROMETER A NOMINAL
  • Elongation Percentage: 125 MAXIMUM
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 5331-01-005-0515, 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 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 20 commercial cross-references from 14 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-01-005-0515
Primary Part NumberMIL-R-83248/1
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
Center Hole Diameter6.447 INCHES MINIMUM AND 6.527 INCHES MAXIMUM IN
Outside Diameter6.693 INCHES NOMINAL IN
Temp Rating-20.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
Cross-Sectional Height0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
Hardness Rating75.0 SHORE DUROMETER A NOMINAL
Elongation Percentage125 MAXIMUM
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5331-00-167-5123AS3209-136 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5331-00-167-5164AS3209-451 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5331-00-330-3307AS3209-141 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5331-01-005-2311AS3209-454 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5331-01-005-3202AS3209-267 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5331-01-005-3205AS3209-348 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5331-01-054-2587 INTERCHANGEABLE
O-Ring
5331-01-187-9076AS3209-019 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5331-01-231-7478AS3209-233 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5331-01-271-4286 INTERCHANGEABLE
O-Ring
Cross-Reference Index
Part NumberManufacturer
MIL-R-83248/1 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M83248-1-165 Zf Industrieantriebe Witten Gmbh (DEU)
649-393-165-0 Cfm International Inc Dba Cfm International (USA)
AS3209-165 Proponent, Inc. Dba Proponent (USA)
2-165V1164-75 Parker-Hannifin Corp Div O-Ring Division (USA)
5331PL2169199 Jednolity Indeks Materialowy - Uniform Material Index (POL)
M83248/1-165 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M83248-1-165ES Eriks B.v. (NLD)
AS3209-165 Dbr Industries, Inc. Dba Dbr Industries Inc (USA)
10159989 Nimikkeistokeskus Ncb Finland (FIN)
SAE-AS3209 Sae International Dba Sae International (USA)
5331PL0657686 Jednolity Indeks Materialowy - Uniform Material Index (POL)
SAE-AMS7276 Sae International Dba Sae International (USA)
AS3209-165 Boeing Distribution Services Defense Llc (USA)
M83248-165 Zf Industrieantriebe Witten Gmbh (DEU)
2-165V1226-75 Parker-Hannifin Corp Div O-Ring Division (USA)
DD-4905 REF NO 16 Cunico Corporation (USA)
2-165V0747-75 Parker-Hannifin Corp Div O-Ring Division (USA)
649-393-165-0 Safran Aircraft Engines (FRA)
J221P165 General Electric Company (USA)
Related Parts
5331-00-167-5123INTERCHANGEABLE
O-RING
AS3209-136
5331-00-167-5164INTERCHANGEABLE
O-RING
AS3209-451
5331-00-330-3307INTERCHANGEABLE
O-RING
AS3209-141
5331-01-005-2311INTERCHANGEABLE
O-RING
AS3209-454
5331-01-005-3202INTERCHANGEABLE
O-RING
AS3209-267
5331-01-005-3205INTERCHANGEABLE
O-RING
AS3209-348
5331-01-054-2587INTERCHANGEABLE
O-RING
5331-01-187-9076INTERCHANGEABLE
O-RING
AS3209-019
5331-01-231-7478INTERCHANGEABLE
O-RING
AS3209-233
5331-01-271-4286INTERCHANGEABLE
O-RING
5331-01-290-2115INTERCHANGEABLE
O-RING
AS3209-129
5331-01-306-3266INTERCHANGEABLE
O-RING
AS568-11/AMS3209

Frequently Asked Questions

What is NSN 5331-01-005-0515?

NSN 5331-01-005-0515 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 5331-01-005-0515?

NSN 5331-01-005-0515 has 20 cross-referenced part numbers: MIL-R-83248/1 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), M83248-1-165 (Zf Industrieantriebe Witten Gmbh), 649-393-165-0 (Cfm International Inc Dba Cfm International), AS3209-165 (Proponent, Inc. Dba Proponent), 2-165V1164-75 (Parker-Hannifin Corp Div O-Ring Division) and 15 more.

What NSN replaces 5331-01-005-0515?

There are 12 known substitutes for 5331-01-005-0515: 5331-00-167-5123, 5331-00-167-5164, 5331-00-330-3307 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-R-83248/1?

Key specifications for MIL-R-83248/1: Material: RUBBER FLUOROCARBON CLASS FPM; Center Hole Diameter: 6.447 INCHES MINIMUM AND 6.527 INCHES MAXIMUM IN; Outside Diameter: 6.693 INCHES NOMINAL IN; Temp Rating: -20.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF. 7 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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