PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

50344O-Ring

Paccar Winch Inc Dba Paccar Winch Division · NSN 5331-01-011-7921 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-011-7921 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-011-7921. Primary manufacturer part number: 50344.
Features
  • O-Ring — FSC 5331
  • Cross-Sectional Height: 0.125 INCHES NOMINAL IN
  • Material: RUBBER SYNTHETIC
  • 1 verified cross-reference
  • 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 5331-01-011-7921, 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 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-01-011-7921
Primary Part Number50344
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerPaccar Winch Inc Dba Paccar Winch Division
StatusACTIVE
Cross-Sectional Height0.125 INCHES NOMINAL IN
MaterialRUBBER SYNTHETIC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
1680-00-048-345650344 INTERCHANGEABLE
Element Assy
Pti Technologies Inc.
4730-00-999-90571290433 INTERCHANGEABLE
Clamp,hose
Naval Ship Systems Command
5999-01-111-9931201D251 INTERCHANGEABLE
Delay Line
Polara Engineering, Inc.
1680-01-113-60505034-4 INTERCHANGEABLE
Clamp,control Cable Locking
Triumph Controls, Llc Dba Triumph Controls, Llc
9905-01-321-114550-344 INTERCHANGEABLE
Plate,instruction
Goodrich Corporation Div Collins Aerospace, Landing Systems (wheels & Brakes)
3120-01-327-256412288291 INTERCHANGEABLE
Bushing,sleeve
Mahle Componentes De Motor De Mexico, S.de R.l. De C.v.
6515-01-423-355450344 INTERCHANGEABLE
Catheter,arterial Irrigation
Abbott Laboratories Inc. Div Hospital Products Division
6105-01-564-6103503440F INTERCHANGEABLE
Rotor,motor
Thermo Electron Corporation Dba Iec Centrifuge Div Laboratory Equipment Divsion
Cross-Reference Index
Part NumberManufacturer
50344 PRIMARY Paccar Winch Inc Dba Paccar Winch Division (USA)
Related Parts
1680-00-048-3456INTERCHANGEABLE
ELEMENT ASSY
50344
4730-00-999-9057INTERCHANGEABLE
CLAMP,HOSE
1290433
5999-01-111-9931INTERCHANGEABLE
DELAY LINE
201D251
1680-01-113-6050INTERCHANGEABLE
CLAMP,CONTROL CABLE LOCKING
5034-4
9905-01-321-1145INTERCHANGEABLE
PLATE,INSTRUCTION
50-344
3120-01-327-2564INTERCHANGEABLE
BUSHING,SLEEVE
12288291
6515-01-423-3554INTERCHANGEABLE
CATHETER,ARTERIAL IRRIGATION
50344
6105-01-564-6103INTERCHANGEABLE
ROTOR,MOTOR
503440F

Frequently Asked Questions

What is NSN 5331-01-011-7921?

NSN 5331-01-011-7921 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 5331-01-011-7921?

NSN 5331-01-011-7921 has 1 cross-referenced part number: 50344 (Paccar Winch Inc Dba Paccar Winch Division).

What NSN replaces 5331-01-011-7921?

There are 8 known substitutes for 5331-01-011-7921: 1680-00-048-3456, 4730-00-999-9057, 5999-01-111-9931 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 50344?

Key specifications for 50344: Cross-Sectional Height: 0.125 INCHES NOMINAL IN; Material: RUBBER SYNTHETIC. 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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