PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

NAS1594-112O-Ring

National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use · NSN 5331-01-342-6204 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-342-6204 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-342-6204. Primary manufacturer part number: NAS1594-112.
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: 0.479 INCHES MINIMUM AND 0.495 INCHES MAXIMUM IN
  • Cross-Sectional Height: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
  • Material Document and Classification: MIL-R-25897,CL2 MIL SPEC SINGLE MATERIAL RESPONSE
  • 2 verified cross-references
  • Primary manufacturer: National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
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 5331-01-342-6204, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use. 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-01-342-6204
Primary Part NumberNAS1594-112
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerNational Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
StatusACTIVE
MaterialRUBBER FLUOROCARBON CLASS FPM
Hardness Rating85.0 SHORE DUROMETER A MINIMUM AND 95.0 SHORE DUROMETER A MAXIMUM
Center Hole Diameter0.479 INCHES MINIMUM AND 0.495 INCHES MAXIMUM IN
Cross-Sectional Height0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
Material Document and ClassificationMIL-R-25897,CL2 MIL SPEC SINGLE MATERIAL RESPONSE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5331-00-001-4726NAS1594-222 INTERCHANGEABLE
O-Ring
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5315-00-059-0184MS24665-361 INTERCHANGEABLE
Pin,cotter
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5331-00-782-7566NAS1594-010 INTERCHANGEABLE
O-Ring
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5331-00-915-8111NAS1594-017 INTERCHANGEABLE
O-Ring
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5331-01-420-1009NAS1594-113 INTERCHANGEABLE
O-Ring
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5331-01-420-1010NAS1594-129 INTERCHANGEABLE
O-Ring
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5331-01-518-5144NAS1594-023 INTERCHANGEABLE
O-Ring
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
Cross-Reference Index
Part NumberManufacturer
NAS1594-112 PRIMARY National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
NAS1594 National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
Related Parts
5331-00-001-4726INTERCHANGEABLE
O-RING
NAS1594-222
5315-00-059-0184INTERCHANGEABLE
PIN,COTTER
MS24665-361
5331-00-782-7566INTERCHANGEABLE
O-RING
NAS1594-010
5331-00-915-8111INTERCHANGEABLE
O-RING
NAS1594-017
5331-01-420-1009INTERCHANGEABLE
O-RING
NAS1594-113
5331-01-420-1010INTERCHANGEABLE
O-RING
NAS1594-129
5331-01-518-5144INTERCHANGEABLE
O-RING
NAS1594-023

Frequently Asked Questions

What is NSN 5331-01-342-6204?

NSN 5331-01-342-6204 is a O-Ring, manufactured by National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-342-6204?

NSN 5331-01-342-6204 has 2 cross-referenced part numbers: NAS1594-112 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use), NAS1594 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use).

What NSN replaces 5331-01-342-6204?

There are 7 known substitutes for 5331-01-342-6204: 5331-00-001-4726, 5315-00-059-0184, 5331-00-782-7566 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of NAS1594-112?

Key specifications for NAS1594-112: Material: RUBBER FLUOROCARBON CLASS FPM; Hardness Rating: 85.0 SHORE DUROMETER A MINIMUM AND 95.0 SHORE DUROMETER A MAXIMUM; Center Hole Diameter: 0.479 INCHES MINIMUM AND 0.495 INCHES MAXIMUM IN; Special Features: CROSS-SECTIONAL SHAPE STYLE: O-RING. 6 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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