PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2-228O-Ring

Fincantieri S.p.a. Div Direzione Navi Militari · NSN 5331-00-984-3762 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-984-3762 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-984-3762. Primary manufacturer part number: 2-228.
Features
  • O-Ring — FSC 5331
  • Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
  • Outside Diameter: 2.484 INCHES MINIMUM AND 2.540 INCHES MAXIMUM IN
  • Hardness Rating: 70.0 SHORE DUROMETER A NOMINAL
  • Temp Rating: -40.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF
  • Elongation Percentage: 331 MAXIMUM
  • Center Hole Diameter: 2.224 INCHES MINIMUM AND 2.244 INCHES MAXIMUM IN
  • Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
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 5331-00-984-3762, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Fincantieri S.p.a. Div Direzione Navi Militari. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 36 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
NSN5331-00-984-3762
Primary Part Number2-228
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerFincantieri S.p.a. Div Direzione Navi Militari
StatusCANCELLED
MaterialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
Outside Diameter2.484 INCHES MINIMUM AND 2.540 INCHES MAXIMUM IN
Hardness Rating70.0 SHORE DUROMETER A NOMINAL
Temp Rating-40.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF
Elongation Percentage331 MAXIMUM
Center Hole Diameter2.224 INCHES MINIMUM AND 2.244 INCHES MAXIMUM IN
Cross-Sectional Height0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5950-00-028-41187-0524 INTERCHANGEABLE
Transformer,audio Frequency
L3harris Technologies, Inc. Dba Harris Corp Div Harris Defense Communications
5930-00-108-69102228 INTERCHANGEABLE
Switch,toggle
General Electric Co Electrical Distribution and Control
5331-00-165-1946AS3209-228 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
3455-00-222-922111670 INTERCHANGEABLE
Cutter,milling,woodruff Keyseat
Niagara Cutter Inc
5360-00-391-85582228 INTERCHANGEABLE
Spring,packing
Getronics Government Solutions Llc
5331-00-469-38182-228E540-8 INTERCHANGEABLE
O-Ring
Parker-Hannifin Corp Div O-Ring Division
5331-00-469-6869 INTERCHANGEABLE
O-Ring
5998-00-472-3303472061-1 INTERCHANGEABLE
Circuit Card Assembly
Sypris Electronics, Llc
3110-00-555-522637-1B1 INTERCHANGEABLE
Bearing,ball,annular
Schatz Bearing Corporation Dba Schatz Bearing Corp
4920-00-708-30322228 INTERCHANGEABLE
Cone,rear,spline 50
Marvel Manufacturing Co Div the Marvel Manufacturing Company
Cross-Reference Index
Part NumberManufacturer
2-228 Fincantieri S.p.a. Div Direzione Navi Militari (ITA)
1N141200022 Wass Srl (ITA)
748420 Mahle Industrial Thermal Systems Gmbh & Co. Kg (DEU)
PRP90-6 Parker-Hannifin Corporation Div O-Ring Division (USA)
53-417 Zf Industrieantriebe Witten Gmbh (DEU)
7385926 FIND NO. 190 Naval Sea Systems Command (USA)
2-228 N0674-70 Parker-Hannifin Corp Div O-Ring Division (USA)
2-228 Amfac Distribution Corp Amfac Supply Co Amfac Fluid Power (USA)
0RAR00228-N7083 Trelleborg Sealing Solutions Us, Inc. (USA)
N0674 2-228 Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division (USA)
PRP909-6-122-70 Parker Hannifin Corporation Div O-Ring Division (USA)
2-228 Parker Hannifin B.v. (NLD)
2-228-N674-70DS Zf Industrieantriebe Witten Gmbh (DEU)
2-228 Parker-Hannifin Corporation Dba Pneutronics Div Corporate Headquarters (USA)
R-67500-22 Zf Industrieantriebe Witten Gmbh (DEU)
2-228 Parker-Hannifin Gmbh Cylinder Division (DEU)
10617878-228 General Dynamics Land Systems Canadacorp (CAN)
2-228N674-70 Parker-Hannifin Corp Div O-Ring Division (USA)
GV31-325-6-70D Zf Industrieantriebe Witten Gmbh (DEU)
PRP909-6-8307 Parker Hannifin Corporation Div O-Ring Division (USA)
Related Parts
5950-00-028-4118INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
7-0524
5930-00-108-6910INTERCHANGEABLE
SWITCH,TOGGLE
2228
5331-00-165-1946INTERCHANGEABLE
O-RING
AS3209-228
3455-00-222-9221INTERCHANGEABLE
CUTTER,MILLING,WOODRUFF KEYSEAT
11670
5360-00-391-8558INTERCHANGEABLE
SPRING,PACKING
2228
5331-00-469-3818INTERCHANGEABLE
O-RING
2-228E540-8
5331-00-469-6869INTERCHANGEABLE
O-RING
5998-00-472-3303INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
472061-1
3110-00-555-5226INTERCHANGEABLE
BEARING,BALL,ANNULAR
37-1B1
4920-00-708-3032INTERCHANGEABLE
CONE,REAR,SPLINE 50
2228
5315-00-720-6120INTERCHANGEABLE
PIN,QUICK RELEASE
2228
5970-00-843-2281INTERCHANGEABLE
INSULATION SLEEVING,ELECTRICAL

Frequently Asked Questions

What is NSN 5331-00-984-3762?

NSN 5331-00-984-3762 is a O-Ring, manufactured by Fincantieri S.p.a. Div Direzione Navi Militari, classified under FSC 5331 (O-Ring). Status: cancelled.

What are the part numbers for NSN 5331-00-984-3762?

NSN 5331-00-984-3762 has 36 cross-referenced part numbers: 2-228 (Fincantieri S.p.a. Div Direzione Navi Militari), 1N141200022 (Wass Srl), 748420 (Mahle Industrial Thermal Systems Gmbh & Co. Kg), PRP90-6 (Parker-Hannifin Corporation Div O-Ring Division), 53-417 (Zf Industrieantriebe Witten Gmbh) and 31 more.

What NSN replaces 5331-00-984-3762?

There are 12 known substitutes for 5331-00-984-3762: 5950-00-028-4118, 5930-00-108-6910, 5331-00-165-1946 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2-228?

Key specifications for 2-228: Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR; End Item Identification: AIRCRAFT, ORION P-3; SYSTEMS, JP-5 AVIATION FUELS; LANDING CRAFT, UTILITY, 115 FT; TICONDEROGA CLASS CG (47); STURGEON CLASS SSN (637); SHIPBOARD MATERIAL HANDLING EQUIPMENT (MHE); SPRUANCE CLASS DD (963); CHILLED WATER A/C SYSTEMS; SUPPORT EQUIPMENT, B-1 AIRCRAFT; TRUCK, FIRE/CRASH P15 FT; Outside Diameter: 2.484 INCHES MINIMUM AND 2.540 INCHES MAXIMUM IN; Hardness Rating: 70.0 SHORE DUROMETER A NOMINAL. 8 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5331-00-984-3762 still in active supply?

NSN 5331-00-984-3762 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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