PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2-155V1226-75O-Ring

Parker-Hannifin Corp Div O-Ring Division · NSN 5331-00-166-8400 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-166-8400 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-166-8400. Primary manufacturer part number: 2-155V1226-75.
Features
  • O-Ring — FSC 5331
  • Center Hole Diameter: 3.959 INCHES MINIMUM AND 4.015 INCHES MAXIMUM IN
  • Elongation Percentage: 125 MAXIMUM
  • Outside Diameter: 4.159 INCHES MINIMUM AND 4.227 INCHES MAXIMUM IN
  • Material: RUBBER FLUOROCARBON CLASS FPM
  • Cross-Sectional Height: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
  • Hardness Rating: 75.0 SHORE DUROMETER A NOMINAL
  • 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 5331-00-166-8400, 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 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 42 commercial cross-references from 25 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
NSN5331-00-166-8400
Primary Part Number2-155V1226-75
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerParker-Hannifin Corp Div O-Ring Division
StatusCANCELLED
Center Hole Diameter3.959 INCHES MINIMUM AND 4.015 INCHES MAXIMUM IN
Elongation Percentage125 MAXIMUM
Outside Diameter4.159 INCHES MINIMUM AND 4.227 INCHES MAXIMUM IN
MaterialRUBBER FLUOROCARBON CLASS FPM
Cross-Sectional Height0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
Hardness Rating75.0 SHORE DUROMETER A NOMINAL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
1420-00-013-70661617823 INTERCHANGEABLE
Valve
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5310-00-042-4229MS35333-113 INTERCHANGEABLE
Washer,lock
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5330-00-118-771134078 INTERCHANGEABLE
Gasket
Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
3030-00-169-44322-155 INTERCHANGEABLE
Belt,round
Parker-Hannifin Corp Div O-Ring Division
5310-00-197-884421-55 INTERCHANGEABLE
Washer,flat
Brp Us Inc
6220-00-226-95642155 INTERCHANGEABLE
Light Assy
Mission Systems Davenport Inc.
5310-00-485-93532-155 INTERCHANGEABLE
Washer,flat
Amphenol Corp Div Amphenol Aerospace Operations
4810-00-541-6051215-5 INTERCHANGEABLE
Valve,gate
Flowserve Corporation Div Flowserve Us Inc
5310-00-550-1130MS35333-40 INTERCHANGEABLE
Washer,lock
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5331-00-580-65812-155N674-70 INTERCHANGEABLE
O-Ring
Parker-Hannifin Corp Div O-Ring Division
Cross-Reference Index
Part NumberManufacturer
M83248-155 Zf Industrieantriebe Witten Gmbh (DEU)
2-155 Rickmeier Gmbh (DEU)
PRP155-19357 Parker Hannifin Corporation Div O-Ring Division (USA)
AS3209-155 Society of Automotive Engineers Inc (USA)
8580-556 Lucas France Sa Div Aerospace France (FRA)
2-155-77-545 Parker-Hannifin Corp Div O-Ring Division (USA)
DD-4686 REF NO 16 Cunico Corporation (USA)
2-155V747-75 Parker-Hannifin Corp Div O-Ring Division (USA)
V1E10502 ITEM 33 Vacco Industries (USA)
155-19357 Parker Hannifin Corporation Div O-Ring Division (USA)
M83248/1-155 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
8580-556 Goodrich Actuation Systems SAS (FRA)
2-155V1226-75 PRIMARY Parker-Hannifin Corp Div O-Ring Division (USA)
S9413-155 PRIMARY Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) (USA)
34078 Zf Industrieantriebe Witten Gmbh (DEU)
A-155SR270-70 Stillman Seal Corporation Div Stillman Seal Corperation (USA)
10159970 Nimikkeistokeskus Ncb Finland (FIN)
M83248/1-155 Society of Automotive Engineers Inc (USA)
MILR83248 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MS17413-155 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
1420-00-013-7066INTERCHANGEABLE
VALVE
1617823
5310-00-042-4229INTERCHANGEABLE
WASHER,LOCK
MS35333-113
5330-00-118-7711INTERCHANGEABLE
GASKET
34078
3030-00-169-4432INTERCHANGEABLE
BELT,ROUND
2-155
5310-00-197-8844INTERCHANGEABLE
WASHER,FLAT
21-55
6220-00-226-9564INTERCHANGEABLE
LIGHT ASSY
2155
5310-00-485-9353INTERCHANGEABLE
WASHER,FLAT
2-155
4810-00-541-6051INTERCHANGEABLE
VALVE,GATE
215-5
5310-00-550-1130INTERCHANGEABLE
WASHER,LOCK
MS35333-40
5331-00-580-6581INTERCHANGEABLE
O-RING
2-155N674-70
5310-00-582-9846INTERCHANGEABLE
WASHER,SHOULDERED
20825-1
6685-00-618-1822INTERCHANGEABLE
INDICATOR,HUMIDITY,PLUG
2510127

Frequently Asked Questions

What is NSN 5331-00-166-8400?

NSN 5331-00-166-8400 is a O-Ring, manufactured by Parker-Hannifin Corp Div O-Ring Division, classified under FSC 5331 (O-Ring). Status: cancelled.

What are the part numbers for NSN 5331-00-166-8400?

NSN 5331-00-166-8400 has 42 cross-referenced part numbers: M83248-155 (Zf Industrieantriebe Witten Gmbh), 2-155 (Rickmeier Gmbh), PRP155-19357 (Parker Hannifin Corporation Div O-Ring Division), AS3209-155 (Society of Automotive Engineers Inc), 8580-556 (Lucas France Sa Div Aerospace France) and 37 more.

What NSN replaces 5331-00-166-8400?

There are 12 known substitutes for 5331-00-166-8400: 1420-00-013-7066, 5310-00-042-4229, 5330-00-118-7711 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2-155V1226-75?

Key specifications for 2-155V1226-75: Center Hole Diameter: 3.959 INCHES MINIMUM AND 4.015 INCHES MAXIMUM IN; Elongation Percentage: 125 MAXIMUM; Outside Diameter: 4.159 INCHES MINIMUM AND 4.227 INCHES MAXIMUM IN; Material: RUBBER FLUOROCARBON CLASS FPM. 6 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5331-00-166-8400 still in active supply?

NSN 5331-00-166-8400 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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