PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

200103DBPC463Window,observation

Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions · NSN 9340-00-526-5185 · FSC 9340 · No Item Name Available
Verified by PartsTable
NSN 9340-00-526-5185 — this item is cataloged by the U.S. Government under National Stock Number 9340-00-526-5185. Primary manufacturer part number: 200103DBPC463.
Features
  • Window,observation — FSC 9340
  • Ply Quantity: 1
  • Overall Thickness: 0.500 INCHES NOMINAL IN
  • Style Designator: CIRCULAR
  • Nondefinitive Spec/std Data: A TYPE
  • Material Document and Classification: DD-G-451,TYPE 1 FED SPEC SINGLE MATERIAL RESPONSE
  • Edge Type: BEVELED
  • Material: GLASS
Applications
  • Applications requiring Glass construction
General Description

The Window,observation, cataloged under National Stock Number 9340-00-526-5185, is classified within Federal Supply Class 9340 (No Item Name Available) of the Nonmetallic Fabricated Materials group. The primary manufacturer of record is Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 18 commercial cross-references from 7 manufacturers, 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
NSN9340-00-526-5185
Primary Part Number200103DBPC463
Item NameWindow,observation
FSC / FSG9340 / 93 — No Item Name Available
ManufacturerCurtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions
StatusACTIVE
Ply Quantity1
Overall Thickness0.500 INCHES NOMINAL IN
Style DesignatorCIRCULAR
Nondefinitive Spec/std DataA TYPE
Material Document and ClassificationDD-G-451,TYPE 1 FED SPEC SINGLE MATERIAL RESPONSE
Edge TypeBEVELED
MaterialGLASS
Environmental ProtectionWEATHER RESISTANT
Surface FinishPOLISHED
Overall Diameter2.500 INCHES NOMINAL IN
Material TransparencyCLEAR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
9340-00-141-7947 INTERCHANGEABLE
Window,observation
9340-00-261-5712 INTERCHANGEABLE
Window,observation
9340-00-290-7134 INTERCHANGEABLE
Window,observation
6680-00-526-518725J671PC27 INTERCHANGEABLE
Glass,liquid Sight Indicator,fla
Northrop Grumman Systems Corporation Div Marine Systems
5355-00-668-7896B311-284 INTERCHANGEABLE
Window,dial
Northrop Grumman Systems Corp Dba Northrop Grumman Systems Corp
Cross-Reference Index
Part NumberManufacturer
D30391PC389A Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions (USA)
E5898SH2PC1 Fischer and Porter Co (USA)
CVAN65-525-1901737SH2PC1 Naval Ship Systems Command (USA)
D30391PC389A Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
D30391-389A Turbodyne Div of Dresser Industries Inc See Code 0br59 (USA)
S6100-42311ALT3PC89A Naval Ship Systems Command (USA)
D30391-389A Siemens Government Technologies, Inc. Dba Sgt Dresser-Rand Div Sgt Dresser-Rand (USA)
200103DBPC463 Siemens Government Technologies, Inc. Dba Sgt Dresser-Rand Div Sgt Dresser-Rand (USA)
MILG2697TYPEA Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
D30391PC389A Siemens Government Technologies, Inc. Dba Sgt Dresser-Rand Div Sgt Dresser-Rand (USA)
200103DBPC463 PRIMARY Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions (USA)
D30391-389A Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
200103DBPC463 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
200103DBPC463 Turbodyne Div of Dresser Industries Inc See Code 0br59 (USA)
332B010 Fischer and Porter Co (USA)
D30391PC389A Turbodyne Div of Dresser Industries Inc See Code 0br59 (USA)
332B010G15 Fischer and Porter Co (USA)
D30391-389A Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions (USA)
Related Parts
9340-00-141-7947INTERCHANGEABLE
WINDOW,OBSERVATION
9340-00-261-5712INTERCHANGEABLE
WINDOW,OBSERVATION
9340-00-290-7134INTERCHANGEABLE
WINDOW,OBSERVATION
6680-00-526-5187INTERCHANGEABLE
GLASS,LIQUID SIGHT INDICATOR,FLA
25J671PC27
5355-00-668-7896INTERCHANGEABLE
WINDOW,DIAL
B311-284

Frequently Asked Questions

What is NSN 9340-00-526-5185?

NSN 9340-00-526-5185 is a Window,observation, manufactured by Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions, classified under FSC 9340 (No Item Name Available). Status: active.

What are the part numbers for NSN 9340-00-526-5185?

NSN 9340-00-526-5185 has 18 cross-referenced part numbers: D30391PC389A (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions), E5898SH2PC1 (Fischer and Porter Co), CVAN65-525-1901737SH2PC1 (Naval Ship Systems Command), D30391PC389A (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging), D30391-389A (Turbodyne Div of Dresser Industries Inc See Code 0br59) and 13 more.

What NSN replaces 9340-00-526-5185?

There are 5 known substitutes for 9340-00-526-5185: 9340-00-141-7947, 9340-00-261-5712, 9340-00-290-7134 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 200103DBPC463?

Key specifications for 200103DBPC463: Ply Quantity: 1; Overall Thickness: 0.500 INCHES NOMINAL IN; Style Designator: CIRCULAR; Nondefinitive Spec/std Data: A TYPE. 11 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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