PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8145-366YO-Ring

Minnesota Rubber Co · NSN 5331-00-106-0539 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-106-0539 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-106-0539. Primary manufacturer part number: 8145-366Y.
Features
  • O-Ring — FSC 5331
  • Center Hole Diameter: 2.540 INCHES MINIMUM AND 2.560 INCHES MAXIMUM IN
  • Material: RUBBER SYNTHETIC
  • Cross-Sectional Height: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
  • 3 verified cross-references
  • Primary manufacturer: Minnesota Rubber Co
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 5331-00-106-0539, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Minnesota Rubber Co. Government technical data includes 3 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5331-00-106-0539
Primary Part Number8145-366Y
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerMinnesota Rubber Co
StatusCANCELLED
Center Hole Diameter2.540 INCHES MINIMUM AND 2.560 INCHES MAXIMUM IN
MaterialRUBBER SYNTHETIC
Cross-Sectional Height0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 8
6105-00-635-47058145 INTERCHANGEABLE
Motor,direct Current
Astrex Inc
5999-00-769-4976B1.45 INTERCHANGEABLE
Heater,thermal Release
Schneider Electric Usa, Inc.
2610-00-945-332012504897 INTERCHANGEABLE
Tire,pneumatic,vehicular
U S Army Tank Automotive Command Amsta-Im-Mm
5365-00-985-668181-45 INTERCHANGEABLE
Shim
Curtiss-Wright Controls Integrated Sensing, Inc.
6625-01-266-5694 INTERCHANGEABLE
Probe,test
5315-01-486-06138145 INTERCHANGEABLE
Pin,spring
Singer Industrial Sewing Products Co
1080-01-524-2837 INTERCHANGEABLE
Repair Kit,turret
4320-01-550-23838145 INTERCHANGEABLE
Pump,reciprocating
The Tyler Co Inc Dba Clark, E & Associates
Cross-Reference Index
Part NumberManufacturer
81563 Pakon Inc Dba Impak Division (USA)
8145 Minnesota Rubber Co (USA)
8145-366Y PRIMARY Minnesota Rubber Co (USA)
Related Parts
6105-00-635-4705INTERCHANGEABLE
MOTOR,DIRECT CURRENT
8145
5999-00-769-4976INTERCHANGEABLE
HEATER,THERMAL RELEASE
B1.45
2610-00-945-3320INTERCHANGEABLE
TIRE,PNEUMATIC,VEHICULAR
12504897
5365-00-985-6681INTERCHANGEABLE
SHIM
81-45
6625-01-266-5694INTERCHANGEABLE
PROBE,TEST
5315-01-486-0613INTERCHANGEABLE
PIN,SPRING
8145
1080-01-524-2837INTERCHANGEABLE
REPAIR KIT,TURRET
4320-01-550-2383INTERCHANGEABLE
PUMP,RECIPROCATING
8145

Frequently Asked Questions

What is NSN 5331-00-106-0539?

NSN 5331-00-106-0539 is a O-Ring, manufactured by Minnesota Rubber Co, classified under FSC 5331 (O-Ring). Status: cancelled.

What are the part numbers for NSN 5331-00-106-0539?

NSN 5331-00-106-0539 has 3 cross-referenced part numbers: 81563 (Pakon Inc Dba Impak Division), 8145 (Minnesota Rubber Co), 8145-366Y (Minnesota Rubber Co).

What NSN replaces 5331-00-106-0539?

There are 8 known substitutes for 5331-00-106-0539: 6105-00-635-4705, 5999-00-769-4976, 2610-00-945-3320 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 8145-366Y?

Key specifications for 8145-366Y: Center Hole Diameter: 2.540 INCHES MINIMUM AND 2.560 INCHES MAXIMUM IN; Material: RUBBER SYNTHETIC; Cross-Sectional Height: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN. 3 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5331-00-106-0539 still in active supply?

NSN 5331-00-106-0539 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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