PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

T106O-Ring

Unertl John Optical Co Inc · NSN 5331-01-459-6764 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-459-6764 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-459-6764. Primary manufacturer part number: T106.
Features
  • O-Ring — FSC 5331
  • Material: RUBBER
  • Center Hole Diameter: 0.438 INCHES NOMINAL IN
  • Color: BLACK
  • Cross-Sectional Height: 0.070 INCHES NOMINAL IN
  • 1 verified cross-reference
  • Primary manufacturer: Unertl John Optical Co Inc
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber construction
General Description

The O-Ring, cataloged under National Stock Number 5331-01-459-6764, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Unertl John Optical Co Inc. Government technical data includes 4 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-01-459-6764
Primary Part NumberT106
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerUnertl John Optical Co Inc
StatusACTIVE
MaterialRUBBER
Center Hole Diameter0.438 INCHES NOMINAL IN
ColorBLACK
Cross-Sectional Height0.070 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5950-00-041-2214 INTERCHANGEABLE
Transformer,audio Frequency
5306-00-424-1560 INTERCHANGEABLE
Bolt,internally Relieved Body
5136-00-580-7359T106A INTERCHANGEABLE
Tap,thread Cutting
Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
5950-00-647-9336 INTERCHANGEABLE
Transformer,radio Frequency
6625-00-826-7042T106 INTERCHANGEABLE
Converter,wave Form
Transico, Inc. Dba Eeco Switch
5930-00-897-6368 INTERCHANGEABLE
Switch Section,rotary
4320-01-192-7228T-106 INTERCHANGEABLE
Piston,pump
Ametek Inc
Cross-Reference Index
Part NumberManufacturer
T106 PRIMARY Unertl John Optical Co Inc (USA)
Related Parts
5950-00-041-2214INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
5306-00-424-1560INTERCHANGEABLE
BOLT,INTERNALLY RELIEVED BODY
5136-00-580-7359INTERCHANGEABLE
TAP,THREAD CUTTING
T106A
5950-00-647-9336INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
6625-00-826-7042INTERCHANGEABLE
CONVERTER,WAVE FORM
T106
5930-00-897-6368INTERCHANGEABLE
SWITCH SECTION,ROTARY
4320-01-192-7228INTERCHANGEABLE
PISTON,PUMP
T-106

Frequently Asked Questions

What is NSN 5331-01-459-6764?

NSN 5331-01-459-6764 is a O-Ring, manufactured by Unertl John Optical Co Inc, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-459-6764?

NSN 5331-01-459-6764 has 1 cross-referenced part number: T106 (Unertl John Optical Co Inc).

What NSN replaces 5331-01-459-6764?

There are 7 known substitutes for 5331-01-459-6764: 5950-00-041-2214, 5306-00-424-1560, 5136-00-580-7359 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of T106?

Key specifications for T106: Material: RUBBER; End Item Identification: SNIPER SCOPE, MODEL C3; Center Hole Diameter: 0.438 INCHES NOMINAL IN; Color: BLACK. 5 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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