PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

18943O-Ring

Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling · NSN 5331-01-228-3308 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-228-3308 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-228-3308. Primary manufacturer part number: 18943.
Features
  • O-Ring — FSC 5331
  • Material: RUBBER SYNTHETIC
  • Cross-Sectional Height: 0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN
  • Center Hole Diameter: 4.445 INCHES MINIMUM AND 4.505 INCHES MAXIMUM IN
  • 3 verified cross-references
  • Primary manufacturer: Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Synthetic construction
General Description

The O-Ring, cataloged under National Stock Number 5331-01-228-3308, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-01-228-3308
Primary Part Number18943
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerHyster-Yale Group, Inc. Div Hyster-Yale Materials Handling
StatusACTIVE
MaterialRUBBER SYNTHETIC
Cross-Sectional Height0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN
Center Hole Diameter4.445 INCHES MINIMUM AND 4.505 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
5950-00-658-345118943 INTERCHANGEABLE
Transformer,power
Unitron, Lp Dba Unitron Power Systems, Lp ; Atlas Marine Systems
9905-01-097-836818943 INTERCHANGEABLE
Plate,instruction
Kurz & Root Generator Company, Llc
4820-01-144-837418943 INTERCHANGEABLE
Cartridge,check Valve
Time Manufacturing Company Dba Time Manufacturing Company
5977-01-324-6022C2747 INTERCHANGEABLE
Brush,electrical Contact
Mersen Usa Ptt Corp Dba Mersen Usa - Salem Branch Div Mersen Usa Bn Corp
3020-01-415-2589S23425-004 INTERCHANGEABLE
Gear,bevel
B.w. Elliott Manufacturing Co., Llc
3010-01-415-3180S18943-503 INTERCHANGEABLE
Drive Unit,angle
B.w. Elliott Manufacturing Co., Llc
3010-01-415-4370S18943-502 INTERCHANGEABLE
Drive Unit,angle
B.w. Elliott Manufacturing Co., Llc
4730-01-416-0441S07984-003 INTERCHANGEABLE
Plug,pipe
B.w. Elliott Manufacturing Co., Llc
3010-01-440-5178S18943-501 INTERCHANGEABLE
Drive Unit,angle
B.w. Elliott Manufacturing Co., Llc
4030-01-505-811418943 INTERCHANGEABLE
Guy Attachment
R. M. Young Company Llc
Cross-Reference Index
Part NumberManufacturer
C2747 Cascade Corp (USA)
18943 PRIMARY Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling (USA)
18943 Hyster-Yale Group, Inc. (USA)
Related Parts
5950-00-658-3451INTERCHANGEABLE
TRANSFORMER,POWER
18943
9905-01-097-8368INTERCHANGEABLE
PLATE,INSTRUCTION
18943
4820-01-144-8374INTERCHANGEABLE
CARTRIDGE,CHECK VALVE
18943
5977-01-324-6022INTERCHANGEABLE
BRUSH,ELECTRICAL CONTACT
C2747
3020-01-415-2589INTERCHANGEABLE
GEAR,BEVEL
S23425-004
3010-01-415-3180INTERCHANGEABLE
DRIVE UNIT,ANGLE
S18943-503
3010-01-415-4370INTERCHANGEABLE
DRIVE UNIT,ANGLE
S18943-502
4730-01-416-0441INTERCHANGEABLE
PLUG,PIPE
S07984-003
3010-01-440-5178INTERCHANGEABLE
DRIVE UNIT,ANGLE
S18943-501
4030-01-505-8114INTERCHANGEABLE
GUY ATTACHMENT
18943
5305-01-580-7642INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
12759-00944

Frequently Asked Questions

What is NSN 5331-01-228-3308?

NSN 5331-01-228-3308 is a O-Ring, manufactured by Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-228-3308?

NSN 5331-01-228-3308 has 3 cross-referenced part numbers: C2747 (Cascade Corp), 18943 (Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling), 18943 (Hyster-Yale Group, Inc.).

What NSN replaces 5331-01-228-3308?

There are 11 known substitutes for 5331-01-228-3308: 5950-00-658-3451, 9905-01-097-8368, 4820-01-144-8374 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 18943?

Key specifications for 18943: Material: RUBBER SYNTHETIC; Cross-Sectional Height: 0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN; Center Hole Diameter: 4.445 INCHES MINIMUM AND 4.505 INCHES MAXIMUM IN. 3 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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