PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

NAS1594-012CPO-Ring

Naval Inventory Control Point Mechanicsburg · NSN 5331-00-140-7667 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-140-7667 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-140-7667. Primary manufacturer part number: NAS1594-012CP.
Features
  • O-Ring — FSC 5331
  • Specification/standard Data: 80205-NAS1594 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Material: RUBBER FLUOROCARBON CLASS FPM
  • Departure From Cited Document: CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D
  • Material Document and Classification: MIL-R-25897,CL 2 MIL SPEC SINGLE MATERIAL RESPONSE
  • Center Hole Diameter: 0.357 INCHES MINIMUM AND 0.371 INCHES MAXIMUM IN
  • Criticality Code Justification: ZZZW
  • Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
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 5331-00-140-7667, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Naval Inventory Control Point Mechanicsburg. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-00-140-7667
Primary Part NumberNAS1594-012CP
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerNaval Inventory Control Point Mechanicsburg
StatusACTIVE
Specification/standard Data80205-NAS1594 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
MaterialRUBBER FLUOROCARBON CLASS FPM
Departure From Cited DocumentCLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D
Material Document and ClassificationMIL-R-25897,CL 2 MIL SPEC SINGLE MATERIAL RESPONSE
Center Hole Diameter0.357 INCHES MINIMUM AND 0.371 INCHES MAXIMUM IN
Criticality Code JustificationZZZW
Cross-Sectional Height0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
Hardness Rating90.0 SHORE DUROMETER A NOMINAL
Temp Rating-40.0 FAHRENHEIT AND 600.0 FAHRENHEIT DEGF
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5331-01-438-7519AS3209-012CP INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
Cross-Reference Index
Part NumberManufacturer
NAS1594-012CP Naval Inventory Control Point Mechanicsburg (USA)
NAS1594-012 National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
Related Parts
5331-01-438-7519INTERCHANGEABLE
O-RING
AS3209-012CP

Frequently Asked Questions

What is NSN 5331-00-140-7667?

NSN 5331-00-140-7667 is a O-Ring, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-00-140-7667?

NSN 5331-00-140-7667 has 2 cross-referenced part numbers: NAS1594-012CP (Naval Inventory Control Point Mechanicsburg), NAS1594-012 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use).

What NSN replaces 5331-00-140-7667?

There is 1 known substitute for 5331-00-140-7667: 5331-01-438-7519. Verify interchangeability with system specifications before substitution.

What are the specifications of NAS1594-012CP?

Key specifications for NAS1594-012CP: Specification/standard Data: 80205-NAS1594 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD; Material: RUBBER FLUOROCARBON CLASS FPM; Departure From Cited Document: CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D; Material Document and Classification: MIL-R-25897,CL 2 MIL SPEC SINGLE MATERIAL RESPONSE. 10 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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