PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

NAS1596-8O-Ring

National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use · NSN 5331-00-163-1265 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-163-1265 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-163-1265. Primary manufacturer part number: NAS1596-8.
Features
  • O-Ring — FSC 5331
  • Material: RUBBER FLUOROCARBON CLASS FPM
  • Criticality Code Justification: ZZZW
  • Departure From Cited Document: CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D
  • Elongation Percentage: 125 MAXIMUM
  • Cross-Sectional Height: 0.084 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN
  • Center Hole Diameter: 0.635 INCHES MINIMUM AND 0.653 INCHES MAXIMUM IN
  • 4 verified cross-references
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 5331-00-163-1265, 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 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-00-163-1265
Primary Part NumberNAS1596-8
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
Criticality Code JustificationZZZW
Departure From Cited DocumentCLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D
Elongation Percentage125 MAXIMUM
Cross-Sectional Height0.084 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN
Center Hole Diameter0.635 INCHES MINIMUM AND 0.653 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5330-01-062-4465 INTERCHANGEABLE
Packing,preformed
5331-01-076-5710NAS1593-022 INTERCHANGEABLE
O-Ring
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5331-01-096-8819AS3581-224 INTERCHANGEABLE
O-Ring
Naval Sea Systems Command
Cross-Reference Index
Part NumberManufacturer
NAS1596-8 National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
MIL-R-83248 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-R-83248CP Naval Inventory Control Point Mechanicsburg (USA)
NAS1596-8CP Naval Inventory Control Point Mechanicsburg (USA)
Related Parts
5330-01-062-4465INTERCHANGEABLE
PACKING,PREFORMED
5331-01-076-5710INTERCHANGEABLE
O-RING
NAS1593-022
5331-01-096-8819INTERCHANGEABLE
O-RING
AS3581-224

Frequently Asked Questions

What is NSN 5331-00-163-1265?

NSN 5331-00-163-1265 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 5331-00-163-1265?

NSN 5331-00-163-1265 has 4 cross-referenced part numbers: NAS1596-8 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use), MIL-R-83248 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-R-83248CP (Naval Inventory Control Point Mechanicsburg), NAS1596-8CP (Naval Inventory Control Point Mechanicsburg).

What NSN replaces 5331-00-163-1265?

There are 3 known substitutes for 5331-00-163-1265: 5330-01-062-4465, 5331-01-076-5710, 5331-01-096-8819. Verify interchangeability with system specifications before substitution.

What are the specifications of NAS1596-8?

Key specifications for NAS1596-8: Material: RUBBER FLUOROCARBON CLASS FPM; Criticality Code Justification: ZZZW; Departure From Cited Document: CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D; Elongation Percentage: 125 MAXIMUM. 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