PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A60553-2Window,observation

Emerson Electric Co Dba Fusite Division · NSN 9340-00-438-3357 · FSC 9340 · No Item Name Available
Verified by PartsTable
NSN 9340-00-438-3357 — this item is cataloged by the U.S. Government under National Stock Number 9340-00-438-3357. Primary manufacturer part number: A60553-2.
Features
  • Window,observation — FSC 9340
  • Overall Thickness: 0.016 INCHES NOMINAL IN
  • Style Designator: CIRCULAR
  • Overall Diameter: 0.497 INCHES NOMINAL IN
  • Material: GLASS
  • Material Transparency: CLEAR
  • 2 verified cross-references
  • Primary manufacturer: Emerson Electric Co Dba Fusite Division
Applications
  • Applications requiring Glass construction
General Description

The Window,observation, cataloged under National Stock Number 9340-00-438-3357, is classified within Federal Supply Class 9340 (No Item Name Available) of the Nonmetallic Fabricated Materials group. The primary manufacturer of record is Emerson Electric Co Dba Fusite Division. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN9340-00-438-3357
Primary Part NumberA60553-2
Item NameWindow,observation
FSC / FSG9340 / 93 — No Item Name Available
ManufacturerEmerson Electric Co Dba Fusite Division
StatusACTIVE
Overall Thickness0.016 INCHES NOMINAL IN
Style DesignatorCIRCULAR
Overall Diameter0.497 INCHES NOMINAL IN
MaterialGLASS
Material TransparencyCLEAR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5998-01-058-93821003200-01 INTERCHANGEABLE
Holder,electrical Card
Cae Usa Inc.
Cross-Reference Index
Part NumberManufacturer
A60553-2 PRIMARY Emerson Electric Co Dba Fusite Division (USA)
100320-001 Kaman Aerospace Corporation (USA)
Related Parts
5998-01-058-9382INTERCHANGEABLE
HOLDER,ELECTRICAL CARD
1003200-01

Frequently Asked Questions

What is NSN 9340-00-438-3357?

NSN 9340-00-438-3357 is a Window,observation, manufactured by Emerson Electric Co Dba Fusite Division, classified under FSC 9340 (No Item Name Available). Status: active.

What are the part numbers for NSN 9340-00-438-3357?

NSN 9340-00-438-3357 has 2 cross-referenced part numbers: A60553-2 (Emerson Electric Co Dba Fusite Division), 100320-001 (Kaman Aerospace Corporation).

What NSN replaces 9340-00-438-3357?

There is 1 known substitute for 9340-00-438-3357: 5998-01-058-9382. Verify interchangeability with system specifications before substitution.

What are the specifications of A60553-2?

Key specifications for A60553-2: Overall Thickness: 0.016 INCHES NOMINAL IN; Style Designator: CIRCULAR; Overall Diameter: 0.497 INCHES NOMINAL IN; Material: GLASS. 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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