PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AS3209-012CPO-Ring

Sae International Dba Sae International · NSN 5331-01-438-7519 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-438-7519 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-438-7519. Primary manufacturer part number: AS3209-012CP.
Features
  • O-Ring — FSC 5331
  • Material: RUBBER FLUOROCARBON CLASS FPM
  • Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
  • Center Hole Diameter: 0.359 INCHES MINIMUM AND 0.369 INCHES MAXIMUM IN
  • Hardness Rating: 70.0 SHORE DUROMETER A MINIMUM AND 80.0 SHORE DUROMETER A MAXIMUM
  • 19 verified cross-references
  • Primary manufacturer: Sae International Dba Sae International
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 5331-01-438-7519, 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 19 commercial cross-references from 9 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5331-01-438-7519
Primary Part NumberAS3209-012CP
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerSae International Dba Sae International
StatusCANCELLED
MaterialRUBBER FLUOROCARBON CLASS FPM
Cross-Sectional Height0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
Center Hole Diameter0.359 INCHES MINIMUM AND 0.369 INCHES MAXIMUM IN
Hardness Rating70.0 SHORE DUROMETER A MINIMUM AND 80.0 SHORE DUROMETER A MAXIMUM
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5331-00-140-7667 INTERCHANGEABLE
O-Ring
5331-00-297-6308 INTERCHANGEABLE
O-Ring
5331-01-029-9916 INTERCHANGEABLE
O-Ring
4820-01-421-2701 INTERCHANGEABLE
Valve Assembly,manifold
5331-01-656-9761 INTERCHANGEABLE
O-Ring
5331-01-657-9636 INTERCHANGEABLE
O-Ring
4820-01-695-5966 INTERCHANGEABLE
Valve,linear,directional Control
4730-01-695-6208 INTERCHANGEABLE
Fitting
4730-01-695-6231 INTERCHANGEABLE
Tailpiece,union
3040-01-695-6495 INTERCHANGEABLE
Adapter,housing
Cross-Reference Index
Part NumberManufacturer
M83248/1-012CP Society of Automotive Engineers Inc (USA)
M83248/1-012CP Zf Industrieantriebe Witten Gmbh (DEU)
NAS1594-012CP Naval Inventory Control Point Mechanicsburg (USA)
AS3209-012CP Society of Automotive Engineers Inc (USA)
NAS1594-12 National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
4400571-0120 Knappco Corporation Dba Civacon (USA)
M83248/1-012CP Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-R-83248 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
283852-0001 Naval Inventory Control Point Mechanicsburg (USA)
283469-0002 ITEM 61CP Marotta Controls Inc (USA)
L180-008CP Naval Inventory Control Point Mechanicsburg (USA)
4400571-0120CP Naval Inventory Control Point Mechanicsburg (USA)
L180-008 Vacco Industries (USA)
4400591-0120 Marotta Controls Inc (USA)
AS568-012MILR25897CL2 Society of Automotive Engineers Inc (USA)
AMS7276 Society of Automotive Engineers Inc (USA)
4400591-0120CP Naval Inventory Control Point Mechanicsburg (USA)
AS568-012MILR25897CL2CP Naval Inventory Control Point Mechanicsburg (USA)
AS3209-012CP PRIMARY Sae International Dba Sae International (USA)
Related Parts
5331-00-140-7667INTERCHANGEABLE
O-RING
5331-00-297-6308INTERCHANGEABLE
O-RING
5331-01-029-9916INTERCHANGEABLE
O-RING
4820-01-421-2701INTERCHANGEABLE
VALVE ASSEMBLY,MANIFOLD
5331-01-656-9761INTERCHANGEABLE
O-RING
5331-01-657-9636INTERCHANGEABLE
O-RING
4820-01-695-5966INTERCHANGEABLE
VALVE,LINEAR,DIRECTIONAL CONTROL
4730-01-695-6208INTERCHANGEABLE
FITTING
4730-01-695-6231INTERCHANGEABLE
TAILPIECE,UNION
3040-01-695-6495INTERCHANGEABLE
ADAPTER,HOUSING
4730-01-695-6502INTERCHANGEABLE
FITTING
4730-01-695-6509INTERCHANGEABLE
TAILPIECE,UNION

Frequently Asked Questions

What is NSN 5331-01-438-7519?

NSN 5331-01-438-7519 is a O-Ring, manufactured by Sae International Dba Sae International, classified under FSC 5331 (O-Ring). Status: cancelled.

What are the part numbers for NSN 5331-01-438-7519?

NSN 5331-01-438-7519 has 19 cross-referenced part numbers: M83248/1-012CP (Society of Automotive Engineers Inc), M83248/1-012CP (Zf Industrieantriebe Witten Gmbh), NAS1594-012CP (Naval Inventory Control Point Mechanicsburg), AS3209-012CP (Society of Automotive Engineers Inc), NAS1594-12 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use) and 14 more.

What NSN replaces 5331-01-438-7519?

There are 12 known substitutes for 5331-01-438-7519: 5331-00-140-7667, 5331-00-297-6308, 5331-01-029-9916 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AS3209-012CP?

Key specifications for AS3209-012CP: Material: RUBBER FLUOROCARBON CLASS FPM; Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN; Center Hole Diameter: 0.359 INCHES MINIMUM AND 0.369 INCHES MAXIMUM IN; Hardness Rating: 70.0 SHORE DUROMETER A MINIMUM AND 80.0 SHORE DUROMETER A MAXIMUM. 4 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5331-01-438-7519 still in active supply?

NSN 5331-01-438-7519 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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