PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

603452Window,observation

Aqua-Chem Inc Cleaver-Brooks Div · NSN 9330-00-625-4381 · FSC 9330 · No Item Name Available
Verified by PartsTable
NSN 9330-00-625-4381 — this item is cataloged by the U.S. Government under National Stock Number 9330-00-625-4381. Primary manufacturer part number: 603452.
Features
  • Window,observation — FSC 9330
  • Material Transparency: CLEAR
  • Surface Finish: FINE FINISHED
  • Material: MICA
  • Heat Absorbing Characteristic: LOW LIGHT TRANSMISSION
  • Edge Type: FLAT UNFINISHED
  • Style Designator: CIRCULAR
  • Ply Quantity: 1
Applications
  • Applications requiring Mica construction
General Description

The Window,observation, cataloged under National Stock Number 9330-00-625-4381, is classified within Federal Supply Class 9330 (No Item Name Available) of the Nonmetallic Fabricated Materials group. The primary manufacturer of record is Aqua-Chem Inc Cleaver-Brooks Div. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN9330-00-625-4381
Primary Part Number603452
Item NameWindow,observation
FSC / FSG9330 / 93 — No Item Name Available
ManufacturerAqua-Chem Inc Cleaver-Brooks Div
StatusACTIVE
Material TransparencyCLEAR
Surface FinishFINE FINISHED
MaterialMICA
Heat Absorbing CharacteristicLOW LIGHT TRANSMISSION
Edge TypeFLAT UNFINISHED
Style DesignatorCIRCULAR
Ply Quantity1
Overall Thickness0.125 INCHES NOMINAL IN
Overall Diameter1.500 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5305-00-010-0051100051 INTERCHANGEABLE
Screw,cap,hexagon Head
Brinkley Technology Group Llc Dba Hercules Manufacturing
6640-00-427-511560345-2 INTERCHANGEABLE
Graduate,liquid,laboratory
Gerresheimer Glass Inc Div Gerresheimer Glass
5930-01-194-1183603452 INTERCHANGEABLE
Switch,toggle
Bfm Transport Dynamics Corp
5315-01-381-951885177 INTERCHANGEABLE
Pin,scoop
Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator
1680-01-581-793660345-2 INTERCHANGEABLE
Bullnose Keypad,air
Raytheon Company Dba Raytheon Co
Cross-Reference Index
Part NumberManufacturer
603452 Aqua-Chem Inc Cleaver-Brooks Div (USA)
851-77 Aqua-Chem Inc Cleaver-Brooks Div (USA)
Related Parts
5305-00-010-0051INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
100051
6640-00-427-5115INTERCHANGEABLE
GRADUATE,LIQUID,LABORATORY
60345-2
5930-01-194-1183INTERCHANGEABLE
SWITCH,TOGGLE
603452
5315-01-381-9518INTERCHANGEABLE
PIN,SCOOP
85177
1680-01-581-7936INTERCHANGEABLE
BULLNOSE KEYPAD,AIR
60345-2

Frequently Asked Questions

What is NSN 9330-00-625-4381?

NSN 9330-00-625-4381 is a Window,observation, manufactured by Aqua-Chem Inc Cleaver-Brooks Div, classified under FSC 9330 (No Item Name Available). Status: active.

What are the part numbers for NSN 9330-00-625-4381?

NSN 9330-00-625-4381 has 2 cross-referenced part numbers: 603452 (Aqua-Chem Inc Cleaver-Brooks Div), 851-77 (Aqua-Chem Inc Cleaver-Brooks Div).

What NSN replaces 9330-00-625-4381?

There are 5 known substitutes for 9330-00-625-4381: 5305-00-010-0051, 6640-00-427-5115, 5930-01-194-1183 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 603452?

Key specifications for 603452: Material Transparency: CLEAR; Surface Finish: FINE FINISHED; Material: MICA; Heat Absorbing Characteristic: LOW LIGHT TRANSMISSION. 9 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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