PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

ASM7270O-Ring

Sae International Dba Sae International · NSN 5331-01-111-2802 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-111-2802 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-111-2802. Primary manufacturer part number: ASM7270.
Features
  • O-Ring — FSC 5331
  • Center Hole Diameter: 2.963 INCHES MINIMUM AND 3.011 INCHES MAXIMUM IN
  • Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
  • Hardness Rating: 70.0 SHORE DUROMETER A NOMINAL
  • Cross-Sectional Height: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
  • Outside Diameter: 3.193 INCHES NOMINAL IN
  • 7 verified cross-references
  • Primary manufacturer: Sae International Dba Sae International
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Butadiene-Acrylonitrile Class Nbr construction
General Description

The O-Ring, cataloged under National Stock Number 5331-01-111-2802, 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 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 4 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
NSN5331-01-111-2802
Primary Part NumberASM7270
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerSae International Dba Sae International
StatusACTIVE
Center Hole Diameter2.963 INCHES MINIMUM AND 3.011 INCHES MAXIMUM IN
MaterialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
Hardness Rating70.0 SHORE DUROMETER A NOMINAL
Cross-Sectional Height0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
Outside Diameter3.193 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5331-01-113-3702 INTERCHANGEABLE
O-Ring
5331-01-665-5028 INTERCHANGEABLE
O-Ring
5331-01-675-0664 INTERCHANGEABLE
O-Ring
Cross-Reference Index
Part NumberManufacturer
ASM7270 Sae International Dba Sae International (USA)
AS568-151 Sae International Dba Sae International (USA)
01-435-0157-5 PIECE 218 Flowserve Corp Dba Automax Actuators Div Flowserve Us Company (USA)
AS568-151 Society of Automotive Engineers Inc (USA)
AS568-151AMS7270 Society of Automotive Engineers Inc (USA)
ASM7270 Society of Automotive Engineers Inc (USA)
01-435-0157-5 PIECE 218 Timken Gears & Services Inc. Div Philadelphia Gear (USA)
Related Parts
5331-01-113-3702INTERCHANGEABLE
O-RING
5331-01-665-5028INTERCHANGEABLE
O-RING
5331-01-675-0664INTERCHANGEABLE
O-RING

Frequently Asked Questions

What is NSN 5331-01-111-2802?

NSN 5331-01-111-2802 is a O-Ring, manufactured by Sae International Dba Sae International, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-111-2802?

NSN 5331-01-111-2802 has 7 cross-referenced part numbers: ASM7270 (Sae International Dba Sae International), AS568-151 (Sae International Dba Sae International), 01-435-0157-5 PIECE 218 (Flowserve Corp Dba Automax Actuators Div Flowserve Us Company), AS568-151 (Society of Automotive Engineers Inc), AS568-151AMS7270 (Society of Automotive Engineers Inc) and 2 more.

What NSN replaces 5331-01-111-2802?

There are 3 known substitutes for 5331-01-111-2802: 5331-01-113-3702, 5331-01-665-5028, 5331-01-675-0664. Verify interchangeability with system specifications before substitution.

What are the specifications of ASM7270?

Key specifications for ASM7270: Center Hole Diameter: 2.963 INCHES MINIMUM AND 3.011 INCHES MAXIMUM IN; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR; Hardness Rating: 70.0 SHORE DUROMETER A NOMINAL; Cross-Sectional Height: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN. 5 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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