PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2-115B318-70O-Ring

Parker-Hannifin Corp Div O-Ring Division · NSN 5331-00-582-2531 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-582-2531 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-582-2531. Primary manufacturer part number: 2-115B318-70.
Features
  • O-Ring — FSC 5331
  • Outside Diameter: 0.865 INCHES MINIMUM AND 0.895 INCHES MAXIMUM IN
  • Cross-Sectional Height: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
  • Center Hole Diameter: 0.665 INCHES MINIMUM AND 0.683 INCHES MAXIMUM IN
  • Material: RUBBER ISOBUTYLENE-ISOPRENE CLASS IIR
  • 14 verified cross-references
  • Primary manufacturer: Parker-Hannifin Corp Div O-Ring Division
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Isobutylene-Isoprene Class Iir construction
General Description

The O-Ring, cataloged under National Stock Number 5331-00-582-2531, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Parker-Hannifin Corp Div O-Ring Division. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 14 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-00-582-2531
Primary Part Number2-115B318-70
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerParker-Hannifin Corp Div O-Ring Division
StatusACTIVE
Outside Diameter0.865 INCHES MINIMUM AND 0.895 INCHES MAXIMUM IN
Cross-Sectional Height0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
Center Hole Diameter0.665 INCHES MINIMUM AND 0.683 INCHES MAXIMUM IN
MaterialRUBBER ISOBUTYLENE-ISOPRENE CLASS IIR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5331-00-004-3227 INTERCHANGEABLE
O-Ring
5895-00-342-3066 INTERCHANGEABLE
Receiver-Transmitter Subassembly
5331-00-420-0728000115EL INTERCHANGEABLE
O-Ring
Admiral Valve Llc Dba Cpv Manufacturing
5331-00-495-2943 INTERCHANGEABLE
O-Ring
5305-00-501-31675013167 INTERCHANGEABLE
Screw,machine
Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate
5975-00-609-3141101115 INTERCHANGEABLE
Base,chassis
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
5342-00-846-2286101115 INTERCHANGEABLE
Bracket,special
Allianz Sweeper Company
5331-00-884-6965 INTERCHANGEABLE
O-Ring
5331-00-927-9614 INTERCHANGEABLE
O-Ring
6625-00-979-904510-11115 INTERCHANGEABLE
Ammeter
Ideal Precision Meter Co Dba Ideal Precision Meter Co
Cross-Reference Index
Part NumberManufacturer
AS568-115 Society of Automotive Engineers Inc (USA)
AS568B-115 Society of Automotive Engineers Inc (USA)
2-115 B318-70 Zf Industrieantriebe Witten Gmbh (DEU)
AS568-115 Sae International Dba Sae International (USA)
2-115B318-70 PRIMARY Parker-Hannifin Corp Div O-Ring Division (USA)
2-115B318-7 Parker-Hannifin Corp Div O-Ring Division (USA)
SAE AMS3238 Society of Automotive Engineers Inc (USA)
654371-115 Raytheon Company Dba Raytheon (USA)
101-115 Sheffer Corp (USA)
2-115E688-70 Zf Industrieantriebe Witten Gmbh (DEU)
SAE AMS3238 PRIMARY Sae International Dba Sae International (USA)
58-54-42 Zf Industrieantriebe Witten Gmbh (DEU)
A-115-SR604-70 Stillman Seal Corporation Div Stillman Seal Corperation (USA)
042694-115 Zf Industrieantriebe Witten Gmbh (DEU)
Related Parts
5331-00-004-3227INTERCHANGEABLE
O-RING
5895-00-342-3066INTERCHANGEABLE
RECEIVER-TRANSMITTER SUBASSEMBLY
5331-00-420-0728INTERCHANGEABLE
O-RING
000115EL
5331-00-495-2943INTERCHANGEABLE
O-RING
5305-00-501-3167INTERCHANGEABLE
SCREW,MACHINE
5013167
5975-00-609-3141INTERCHANGEABLE
BASE,CHASSIS
101115
5342-00-846-2286INTERCHANGEABLE
BRACKET,SPECIAL
101115
5331-00-884-6965INTERCHANGEABLE
O-RING
5331-00-927-9614INTERCHANGEABLE
O-RING
6625-00-979-9045INTERCHANGEABLE
AMMETER
10-11115
6685-01-132-3343INTERCHANGEABLE
GAGE,DIFFERENTIAL,DIAL INDICATIN
1516DG-1A-2.5F
5330-01-348-6169INTERCHANGEABLE
PACKING,PREFORMED

Frequently Asked Questions

What is NSN 5331-00-582-2531?

NSN 5331-00-582-2531 is a O-Ring, manufactured by Parker-Hannifin Corp Div O-Ring Division, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-00-582-2531?

NSN 5331-00-582-2531 has 14 cross-referenced part numbers: AS568-115 (Society of Automotive Engineers Inc), AS568B-115 (Society of Automotive Engineers Inc), 2-115 B318-70 (Zf Industrieantriebe Witten Gmbh), AS568-115 (Sae International Dba Sae International), 2-115B318-70 (Parker-Hannifin Corp Div O-Ring Division) and 9 more.

What NSN replaces 5331-00-582-2531?

There are 12 known substitutes for 5331-00-582-2531: 5331-00-004-3227, 5895-00-342-3066, 5331-00-420-0728 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2-115B318-70?

Key specifications for 2-115B318-70: Outside Diameter: 0.865 INCHES MINIMUM AND 0.895 INCHES MAXIMUM IN; Cross-Sectional Height: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN; Center Hole Diameter: 0.665 INCHES MINIMUM AND 0.683 INCHES MAXIMUM IN; Material: RUBBER ISOBUTYLENE-ISOPRENE CLASS IIR. 4 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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