PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1049875Window,observation

Todd Combustion Inc · NSN 9340-00-268-9831 · FSC 9340 · No Item Name Available
Verified by PartsTable
NSN 9340-00-268-9831 — this item is cataloged by the U.S. Government under National Stock Number 9340-00-268-9831. Primary manufacturer part number: 1049875.
Features
  • Window,observation — FSC 9340
  • Surface Finish: POLISHED
  • Material Transparency: CLEAR
  • Ply Quantity: 1
  • Material: GLASS
  • Color: BLUE
  • Style Designator: CIRCULAR
  • Overall Thickness: 0.250 INCHES NOMINAL IN
Applications
  • Applications requiring Glass construction
General Description

The Window,observation, cataloged under National Stock Number 9340-00-268-9831, is classified within Federal Supply Class 9340 (No Item Name Available) of the Nonmetallic Fabricated Materials group. The primary manufacturer of record is Todd Combustion Inc. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 26 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN9340-00-268-9831
Primary Part Number1049875
Item NameWindow,observation
FSC / FSG9340 / 93 — No Item Name Available
ManufacturerTodd Combustion Inc
StatusACTIVE
Surface FinishPOLISHED
Material TransparencyCLEAR
Ply Quantity1
MaterialGLASS
ColorBLUE
Style DesignatorCIRCULAR
Overall Thickness0.250 INCHES NOMINAL IN
Environmental ProtectionHIGH TEMPERATURE RESISTANT
Overall Diameter3.250 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
3110-00-101-0826 INTERCHANGEABLE
Cone and Rollers,tapered Roller
5305-00-206-0538 INTERCHANGEABLE
Screw,machine
3455-00-266-9450 INTERCHANGEABLE
File,rotary
5305-01-121-842610549 INTERCHANGEABLE
Screw,cap,socket Head
Gardner Denver Water Jetting Systems, Inc. Div Engineered Package Group
5340-01-215-3921 INTERCHANGEABLE
Cap,protective,dust and Moisture
5120-01-313-125010549 INTERCHANGEABLE
Seal Puller
Chandler Associates
Cross-Reference Index
Part NumberManufacturer
1049875 University Swaging Corporation Llc Dba University Sc Llc Dba University Sc Llc Div University Swaging Corporation Llc (USA)
1049875 PRIMARY Todd Combustion Inc (USA)
DD445S5504-8PC15 PRIMARY Naval Ship Systems Command (USA)
4200H3PC15 Vigor Shipyards, Llc Div Vigor Shipyards, Inc. (USA)
D-42085PC49 Todd Combustion Inc (USA)
D-42078 PIECE 33 University Swaging Corporation Llc Dba University Sc Llc Dba University Sc Llc Div University Swaging Corporation Llc (USA)
G5-2-3 O'bryan Glass Corp. Dba Gray Glass Div Gray Glass (USA)
4200H3PC15 Todd Combustion Inc (USA)
N47501PC40 Todd Combustion Inc (USA)
D-42085 PIECE 49 University Swaging Corporation Llc Dba University Sc Llc Dba University Sc Llc Div University Swaging Corporation Llc (USA)
42078 PIECE 33 University Swaging Corporation Llc Dba University Sc Llc Dba University Sc Llc Div University Swaging Corporation Llc (USA)
D-42101 PIECE 39 University Swaging Corporation Llc Dba University Sc Llc Dba University Sc Llc Div University Swaging Corporation Llc (USA)
G5-2-3 Zf Industrieantriebe Witten Gmbh (DEU)
10549G5-2-3 Todd Combustion Inc (USA)
ND40069PC49 Todd Combustion Inc (USA)
DD453S55-236PC15 PRIMARY Naval Ship Systems Command (USA)
DD453S55-234PC15 PRIMARY Naval Ship Systems Command (USA)
DD445S5504-10PC15 PRIMARY Naval Ship Systems Command (USA)
G-5-2-3 Todd Shipyards Corp Houston Div (USA)
10549 Todd Combustion Inc (USA)
Related Parts
3110-00-101-0826INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
5305-00-206-0538INTERCHANGEABLE
SCREW,MACHINE
3455-00-266-9450INTERCHANGEABLE
FILE,ROTARY
5305-01-121-8426INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
10549
5340-01-215-3921INTERCHANGEABLE
CAP,PROTECTIVE,DUST AND MOISTURE
5120-01-313-1250INTERCHANGEABLE
SEAL PULLER
10549

Frequently Asked Questions

What is NSN 9340-00-268-9831?

NSN 9340-00-268-9831 is a Window,observation, manufactured by Todd Combustion Inc, classified under FSC 9340 (No Item Name Available). Status: active.

What are the part numbers for NSN 9340-00-268-9831?

NSN 9340-00-268-9831 has 26 cross-referenced part numbers: 1049875 (University Swaging Corporation Llc Dba University Sc Llc Dba University Sc Llc Div University Swaging Corporation Llc), 1049875 (Todd Combustion Inc), DD445S5504-8PC15 (Naval Ship Systems Command), 4200H3PC15 (Vigor Shipyards, Llc Div Vigor Shipyards, Inc.), D-42085PC49 (Todd Combustion Inc) and 21 more.

What NSN replaces 9340-00-268-9831?

There are 6 known substitutes for 9340-00-268-9831: 3110-00-101-0826, 5305-00-206-0538, 3455-00-266-9450 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1049875?

Key specifications for 1049875: Surface Finish: POLISHED; Material Transparency: CLEAR; Ply Quantity: 1; Material: GLASS. 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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