PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

T1-3-2Window,observation

Lfe Instruments a Mark IV Co · NSN 9340-00-351-6969 · FSC 9340 · No Item Name Available
Verified by PartsTable
NSN 9340-00-351-6969 — this item is cataloged by the U.S. Government under National Stock Number 9340-00-351-6969. Primary manufacturer part number: T1-3-2.
Features
  • Window,observation — FSC 9340
  • Style Designator: CIRCULAR
  • Material: PLASTIC
  • Material Transparency: CLEAR
  • Overall Diameter: 3.687 INCHES NOMINAL IN
  • Overall Thickness: 0.187 INCHES NOMINAL IN
  • 1 verified cross-reference
  • Primary manufacturer: Lfe Instruments a Mark IV Co
Applications
  • Applications requiring Plastic construction
General Description

The Window,observation, cataloged under National Stock Number 9340-00-351-6969, is classified within Federal Supply Class 9340 (No Item Name Available) of the Nonmetallic Fabricated Materials group. The primary manufacturer of record is Lfe Instruments a Mark IV Co. Government technical data includes 5 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN9340-00-351-6969
Primary Part NumberT1-3-2
Item NameWindow,observation
FSC / FSG9340 / 93 — No Item Name Available
ManufacturerLfe Instruments a Mark IV Co
StatusCANCELLED
Style DesignatorCIRCULAR
MaterialPLASTIC
Material TransparencyCLEAR
Overall Diameter3.687 INCHES NOMINAL IN
Overall Thickness0.187 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
4910-01-132-493331432 INTERCHANGEABLE
Constrictor,bead Expanding,pneum
Summit Tool Company
Cross-Reference Index
Part NumberManufacturer
T1-3-2 Lfe Instruments a Mark IV Co (USA)
Related Parts
4910-01-132-4933INTERCHANGEABLE
CONSTRICTOR,BEAD EXPANDING,PNEUM
31432

Frequently Asked Questions

What is NSN 9340-00-351-6969?

NSN 9340-00-351-6969 is a Window,observation, manufactured by Lfe Instruments a Mark IV Co, classified under FSC 9340 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 9340-00-351-6969?

NSN 9340-00-351-6969 has 1 cross-referenced part number: T1-3-2 (Lfe Instruments a Mark IV Co).

What NSN replaces 9340-00-351-6969?

There is 1 known substitute for 9340-00-351-6969: 4910-01-132-4933. Verify interchangeability with system specifications before substitution.

What are the specifications of T1-3-2?

Key specifications for T1-3-2: Style Designator: CIRCULAR; Material: PLASTIC; Material Transparency: CLEAR; Overall Diameter: 3.687 INCHES NOMINAL IN. 5 total characteristics are documented in the Federal Logistics Information System.

Is NSN 9340-00-351-6969 still in active supply?

NSN 9340-00-351-6969 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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