PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AS3208-02O-Ring

Sae International Dba Sae International · NSN 5331-00-165-1971 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-165-1971 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-165-1971. Primary manufacturer part number: AS3208-02.
Features
  • O-Ring — FSC 5331
  • Cross-Sectional Height: 0.061 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN
  • Center Hole Diameter: 0.234 INCHES MINIMUM AND 0.244 INCHES MAXIMUM IN
  • Hardness Rating: 75.0 SHORE DUROMETER A NOMINAL
  • Elongation Percentage: 125 MAXIMUM
  • Material: RUBBER FLUOROCARBON CLASS FPM
  • Outside Diameter: 0.356 INCHES MINIMUM AND 0.378 INCHES MAXIMUM IN
  • 44 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 5331-00-165-1971, 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 44 commercial cross-references from 24 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
NSN5331-00-165-1971
Primary Part NumberAS3208-02
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerSae International Dba Sae International
StatusCANCELLED
Cross-Sectional Height0.061 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN
Center Hole Diameter0.234 INCHES MINIMUM AND 0.244 INCHES MAXIMUM IN
Hardness Rating75.0 SHORE DUROMETER A NOMINAL
Elongation Percentage125 MAXIMUM
MaterialRUBBER FLUOROCARBON CLASS FPM
Outside Diameter0.356 INCHES MINIMUM AND 0.378 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5331-00-052-0537 INTERCHANGEABLE
O-Ring
5331-00-127-7199N674 3-902 INTERCHANGEABLE
O-Ring
Parker-Hannifin Corp Div O-Ring Division
5330-00-137-75226843332-02 INTERCHANGEABLE
Packing,preformed
Allison Transmission Inc Dba Allison Transmission, Inc
5331-00-599-0543 INTERCHANGEABLE
O-Ring
5330-00-753-5110 INTERCHANGEABLE
Packing,preformed
5330-01-006-9831V0747 3-902 INTERCHANGEABLE
Packing,preformed
Parker-Hannifin Corp Div O-Ring Division
5330-01-251-7580V0747 3-902 INTERCHANGEABLE
Packing,preformed
Parker-Hannifin Corp Div O-Ring Division
5331-01-323-9946 INTERCHANGEABLE
O-Ring
5331-01-350-4579AMS-R-83285GR80/AS568-902 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5330-01-355-3155 INTERCHANGEABLE
Packing,preformed
Cross-Reference Index
Part NumberManufacturer
3-902 V0747 Parker-Hannifin Corp Div O-Ring Division (USA)
SAE-AMS7276 Sae International Dba Sae International (USA)
M83248/1-902 Leonardo Spa Helicopters Division - Production Site (ITA)
M 83248/1-902 Rosomak S.a (POL)
5331PL1999270 Jednolity Indeks Materialowy - Uniform Material Index (POL)
902-19357 Parker Hannifin Corporation Div O-Ring Division (USA)
5331001651971 E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales
69494M902 Hamilton Sundstrand Corporation Dba Collins Aerospace (USA)
3634-202-11-70 Hamilton Sundstrand Corporation (USA)
M83485/1-902 Zf Industrieantriebe Witten Gmbh (DEU)
5331PL0844859 Jednolity Indeks Materialowy - Uniform Material Index (POL)
M83248/1-902 Seals & Packings, Llc (USA)
B-2SR2702-75 Stillman Seal Corporation Div Stillman Seal Corperation (USA)
PRP3-902-19357 Parker Hannifin Corporation Div O-Ring Division (USA)
AS3208-02 Leonardo Spa Helicopters Division - Production Site (ITA)
MILR83248 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
PL-M27-01234-D PIECE 55 Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division (USA)
AMS7276 Society of Automotive Engineers Inc (USA)
AS3208-902 Society of Automotive Engineers Inc (USA)
NAS1595-2 Joint Electronics Type Designation System (USA)
Related Parts
5331-00-052-0537INTERCHANGEABLE
O-RING
5331-00-127-7199INTERCHANGEABLE
O-RING
N674 3-902
5330-00-137-7522INTERCHANGEABLE
PACKING,PREFORMED
6843332-02
5331-00-599-0543INTERCHANGEABLE
O-RING
5330-00-753-5110INTERCHANGEABLE
PACKING,PREFORMED
5330-01-006-9831INTERCHANGEABLE
PACKING,PREFORMED
V0747 3-902
5330-01-251-7580INTERCHANGEABLE
PACKING,PREFORMED
V0747 3-902
5331-01-323-9946INTERCHANGEABLE
O-RING
5331-01-350-4579INTERCHANGEABLE
O-RING
AMS-R-83285GR80/AS568-902
5330-01-355-3155INTERCHANGEABLE
PACKING,PREFORMED
5331-01-388-9422INTERCHANGEABLE
O-RING
M83485/1-902
5331-01-445-5852INTERCHANGEABLE
O-RING
690352 ITEM 6

Frequently Asked Questions

What is NSN 5331-00-165-1971?

NSN 5331-00-165-1971 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 5331-00-165-1971?

NSN 5331-00-165-1971 has 44 cross-referenced part numbers: 3-902 V0747 (Parker-Hannifin Corp Div O-Ring Division), SAE-AMS7276 (Sae International Dba Sae International), M83248/1-902 (Leonardo Spa Helicopters Division - Production Site), M 83248/1-902 (Rosomak S.a), 5331PL1999270 (Jednolity Indeks Materialowy - Uniform Material Index) and 39 more.

What NSN replaces 5331-00-165-1971?

There are 12 known substitutes for 5331-00-165-1971: 5331-00-052-0537, 5331-00-127-7199, 5330-00-137-7522 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AS3208-02?

Key specifications for AS3208-02: Cross-Sectional Height: 0.061 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN; Center Hole Diameter: 0.234 INCHES MINIMUM AND 0.244 INCHES MAXIMUM IN; Hardness Rating: 75.0 SHORE DUROMETER A NOMINAL; Elongation Percentage: 125 MAXIMUM. 6 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5331-00-165-1971 still in active supply?

NSN 5331-00-165-1971 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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