PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

50311O-Ring

Paccar Winch Inc Dba Paccar Winch Division · NSN 5331-01-067-3445 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-067-3445 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-067-3445. Primary manufacturer part number: 50311.
Features
  • O-Ring — FSC 5331
  • Material: RUBBER SYNTHETIC
  • Cross-Sectional Height: 0.125 INCHES NOMINAL IN
  • 3 verified cross-references
  • Primary manufacturer: Paccar Winch Inc Dba Paccar Winch Division
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 5331-01-067-3445, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Paccar Winch Inc Dba Paccar Winch Division. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 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
NSN5331-01-067-3445
Primary Part Number50311
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerPaccar Winch Inc Dba Paccar Winch Division
StatusACTIVE
MaterialRUBBER SYNTHETIC
Cross-Sectional Height0.125 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5120-00-224-73305120-00-224-7330 INTERCHANGEABLE
Jack,hydraulic,hand
General Services Administration Federal Supply Service
9540-00-251-263360-4046 INTERCHANGEABLE
Angle,structural
Transtar Metals Corp
5995-00-327-469550311 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Alliant Techsystems Operations Llc Div Defense Electronic Systems
5950-00-410-51428712803 INTERCHANGEABLE
Transformer,power
Air Force Lifecycle Management Center Electronic Components (aflcmc/ezss)
4820-00-486-8043 INTERCHANGEABLE
Valve,linear,directional Control
3010-00-488-8543 INTERCHANGEABLE
Coupling,shaft,flexible
1710-00-600-20665031-1 INTERCHANGEABLE
Scraper
Eaton Corporation Dba Jackson Plant
6105-00-660-8165 INTERCHANGEABLE
Cover,electric Motor
4730-00-869-163150311 INTERCHANGEABLE
Fitting,stop
Parker-Hannifin Corporation Div Stratoflex Products Division Coupling Business Unit
4730-01-092-1904 INTERCHANGEABLE
Clamp,hose
Cross-Reference Index
Part NumberManufacturer
50311 PRIMARY Paccar Winch Inc Dba Paccar Winch Division (USA)
S106268 Cnh Industrial America Llc Dba Cnh America (USA)
86511191 Cnh Industrial America Llc Dba Cnh America (USA)
Related Parts
5120-00-224-7330INTERCHANGEABLE
JACK,HYDRAULIC,HAND
5120-00-224-7330
9540-00-251-2633INTERCHANGEABLE
ANGLE,STRUCTURAL
60-4046
5995-00-327-4695INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
50311
5950-00-410-5142INTERCHANGEABLE
TRANSFORMER,POWER
8712803
4820-00-486-8043INTERCHANGEABLE
VALVE,LINEAR,DIRECTIONAL CONTROL
3010-00-488-8543INTERCHANGEABLE
COUPLING,SHAFT,FLEXIBLE
1710-00-600-2066INTERCHANGEABLE
SCRAPER
5031-1
6105-00-660-8165INTERCHANGEABLE
COVER,ELECTRIC MOTOR
4730-00-869-1631INTERCHANGEABLE
FITTING,STOP
50311
4730-01-092-1904INTERCHANGEABLE
CLAMP,HOSE
1680-01-312-6219INTERCHANGEABLE
COUPLING,REFUELING
61520-2
6120-01-669-8807INTERCHANGEABLE
TRANSFORMER,POWER
50311

Frequently Asked Questions

What is NSN 5331-01-067-3445?

NSN 5331-01-067-3445 is a O-Ring, manufactured by Paccar Winch Inc Dba Paccar Winch Division, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-067-3445?

NSN 5331-01-067-3445 has 3 cross-referenced part numbers: 50311 (Paccar Winch Inc Dba Paccar Winch Division), S106268 (Cnh Industrial America Llc Dba Cnh America), 86511191 (Cnh Industrial America Llc Dba Cnh America).

What NSN replaces 5331-01-067-3445?

There are 12 known substitutes for 5331-01-067-3445: 5120-00-224-7330, 9540-00-251-2633, 5995-00-327-4695 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 50311?

Key specifications for 50311: Material: RUBBER SYNTHETIC; Cross-Sectional Height: 0.125 INCHES NOMINAL IN. 2 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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