PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AS3208-03O-Ring

Sae International Dba Sae International · NSN 5331-00-165-1972 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-165-1972 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-165-1972. Primary manufacturer part number: AS3208-03.
Features
  • O-Ring — FSC 5331
  • Material: RUBBER FLUOROCARBON CLASS FPM
  • Cross-Sectional Height: 0.061 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN
  • Center Hole Diameter: 0.296 INCHES MINIMUM AND 0.306 INCHES MAXIMUM IN
  • Hardness Rating: 75.0 SHORE DUROMETER A NOMINAL
  • Elongation Percentage: 125 MAXIMUM
  • Outside Diameter: 0.418 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN
  • 42 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 5331-00-165-1972, 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 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 42 commercial cross-references from 22 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
NSN5331-00-165-1972
Primary Part NumberAS3208-03
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerSae International Dba Sae International
StatusCANCELLED
MaterialRUBBER FLUOROCARBON CLASS FPM
Cross-Sectional Height0.061 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN
Center Hole Diameter0.296 INCHES MINIMUM AND 0.306 INCHES MAXIMUM IN
Hardness Rating75.0 SHORE DUROMETER A NOMINAL
Elongation Percentage125 MAXIMUM
Outside Diameter0.418 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
1650-00-095-123930116 INTERCHANGEABLE
Piston,relief Valve
Arvinmeritor Inc
5330-00-178-7606CW30125 INTERCHANGEABLE
Seal,plain Encased
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
4930-00-253-24781142 INTERCHANGEABLE
Lubricating Gun,handheld
Lincoln Industrial Corporation Div Lincoln Industrial Corporation
5331-00-494-78033-903 V747-75 INTERCHANGEABLE
O-Ring
Parker-Hannifin Corp Div O-Ring Division
2520-00-741-28931411 INTERCHANGEABLE
Plate Cover Transmi
Parker Hannifin Corporation Div Chelsea Products Division
5985-00-941-4391 INTERCHANGEABLE
Adapter,waveguide
6210-01-024-025630116 INTERCHANGEABLE
Lens,light
Gte Products Corp Lighting Products Group Hillsboro Miniature Lamp Plant
8010-01-039-5343 INTERCHANGEABLE
Paint,enamel
5305-01-124-769730116 INTERCHANGEABLE
Screw,cap,hexagon Head
Barnes Group Inc. Dba Barnes Distribution
4730-01-158-841513935 INTERCHANGEABLE
Adapter,straight,pipe to Hose
Munters Corporation Dba Munters Des Champs Products Div Cargocaire
Cross-Reference Index
Part NumberManufacturer
J221P903 General Electric Company (USA)
0030-1064GOVT Parker-Hannifin Corp Div O-Ring Division (USA)
10159972 Nimikkeistokeskus Ncb Finland (FIN)
J221P903 Cfm International Inc Dba Cfm International (USA)
30153 ITEM 23 Curtiss-Wright Flow Control Corporation Dba Curtiss-Wright Flow Control Co Div Target Rock Division (USA)
AS3208-03 PRIMARY Sae International Dba Sae International (USA)
AS3208-03 Society of Automotive Engineers Inc (USA)
M83248/1-903 Leonardo Spa Helicopters Division - Production Site (ITA)
9469127903 Pilatus Aircraft Ltd (CHE)
5331PL1997976 Jednolity Indeks Materialowy - Uniform Material Index (POL)
3-903 V747-75 Parker-Hannifin Corp Div O-Ring Division (USA)
AS3208-03 Leonardo Spa Helicopters Division - Production Site (ITA)
R149P903 General Electric Company (USA)
30116 Curtiss-Wright Flow Control Corporation Dba Farris Engineering Div Curtiss-Wright Valves Division- Farris (USA)
5331PL1738311 Jednolity Indeks Materialowy - Uniform Material Index (POL)
PRP3-903-19357 Parker Hannifin Corporation Div O-Ring Division (USA)
S9413-553 Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix (USA)
M83248/1-903 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
30153 ITEM 23 Curtiss-Wright Flow Control Corporation Dba Farris Engineering Div Curtiss-Wright Valves Division- Farris (USA)
6493939030 Cfm International Inc Dba Cfm International (USA)
Related Parts
1650-00-095-1239INTERCHANGEABLE
PISTON,RELIEF VALVE
30116
5330-00-178-7606INTERCHANGEABLE
SEAL,PLAIN ENCASED
CW30125
4930-00-253-2478INTERCHANGEABLE
LUBRICATING GUN,HANDHELD
1142
5331-00-494-7803INTERCHANGEABLE
O-RING
3-903 V747-75
2520-00-741-2893INTERCHANGEABLE
PLATE COVER TRANSMI
1411
5985-00-941-4391INTERCHANGEABLE
ADAPTER,WAVEGUIDE
6210-01-024-0256INTERCHANGEABLE
LENS,LIGHT
30116
8010-01-039-5343INTERCHANGEABLE
PAINT,ENAMEL
5305-01-124-7697INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
30116
4730-01-158-8415INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO HOSE
13935
4720-01-273-4728INTERCHANGEABLE
HOSE,NONMETALLIC
100R2TYPEAT-16
6150-01-346-1212INTERCHANGEABLE
WIRING HARNESS
3011-6

Frequently Asked Questions

What is NSN 5331-00-165-1972?

NSN 5331-00-165-1972 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 5331-00-165-1972?

NSN 5331-00-165-1972 has 42 cross-referenced part numbers: J221P903 (General Electric Company), 0030-1064GOVT (Parker-Hannifin Corp Div O-Ring Division), 10159972 (Nimikkeistokeskus Ncb Finland), J221P903 (Cfm International Inc Dba Cfm International), 30153 ITEM 23 (Curtiss-Wright Flow Control Corporation Dba Curtiss-Wright Flow Control Co Div Target Rock Division) and 37 more.

What NSN replaces 5331-00-165-1972?

There are 12 known substitutes for 5331-00-165-1972: 1650-00-095-1239, 5330-00-178-7606, 4930-00-253-2478 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AS3208-03?

Key specifications for AS3208-03: Material: RUBBER FLUOROCARBON CLASS FPM; Cross-Sectional Height: 0.061 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN; Center Hole Diameter: 0.296 INCHES MINIMUM AND 0.306 INCHES MAXIMUM IN; Hardness Rating: 75.0 SHORE DUROMETER A NOMINAL. 6 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5331-00-165-1972 still in active supply?

NSN 5331-00-165-1972 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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