PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2500050Window,observation

Optical Coating Laboratory, Llc · NSN 9340-00-482-8639 · FSC 9340 · No Item Name Available
Verified by PartsTable
NSN 9340-00-482-8639 — this item is cataloged by the U.S. Government under National Stock Number 9340-00-482-8639. Primary manufacturer part number: 2500050.
Features
  • Window,observation — FSC 9340
  • Overall Thickness: 0.043 INCHES MINIMUM AND 0.053 INCHES MAXIMUM IN
  • Third Corner Radius: 0.110 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN
  • Surface Finish: POLISHED
  • Second Corner Radius: 0.110 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN
  • Fourth Corner Radius: 0.110 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN
  • Material Transparency: CLEAR
  • Material: GLASS
Applications
  • Applications requiring Glass construction
General Description

The Window,observation, cataloged under National Stock Number 9340-00-482-8639, is classified within Federal Supply Class 9340 (No Item Name Available) of the Nonmetallic Fabricated Materials group. The primary manufacturer of record is Optical Coating Laboratory, Llc. Government technical data includes 9 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN9340-00-482-8639
Primary Part Number2500050
Item NameWindow,observation
FSC / FSG9340 / 93 — No Item Name Available
ManufacturerOptical Coating Laboratory, Llc
StatusACTIVE
Overall Thickness0.043 INCHES MINIMUM AND 0.053 INCHES MAXIMUM IN
Third Corner Radius0.110 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN
Surface FinishPOLISHED
Second Corner Radius0.110 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN
Fourth Corner Radius0.110 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN
Material TransparencyCLEAR
MaterialGLASS
First Corner Radius0.110 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN
Style DesignatorROUNDED CORNERS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
6625-00-684-5898M300PDS2 INTERCHANGEABLE
Voltmeter
Ametek Inc Dba Ametek Iscd Div Iscd
5962-01-113-0832 INTERCHANGEABLE
Microcircuit,linear
3040-01-460-1002250-0050 INTERCHANGEABLE
Gearshaft,spur
Bae Systems Land & Armaments L.p.
Cross-Reference Index
Part NumberManufacturer
164B7556P2 Bae Systems Controls Inc. (USA)
2500050 PRIMARY Optical Coating Laboratory, Llc (USA)
Related Parts
6625-00-684-5898INTERCHANGEABLE
VOLTMETER
M300PDS2
5962-01-113-0832INTERCHANGEABLE
MICROCIRCUIT,LINEAR
3040-01-460-1002INTERCHANGEABLE
GEARSHAFT,SPUR
250-0050

Frequently Asked Questions

What is NSN 9340-00-482-8639?

NSN 9340-00-482-8639 is a Window,observation, manufactured by Optical Coating Laboratory, Llc, classified under FSC 9340 (No Item Name Available). Status: active.

What are the part numbers for NSN 9340-00-482-8639?

NSN 9340-00-482-8639 has 2 cross-referenced part numbers: 164B7556P2 (Bae Systems Controls Inc.), 2500050 (Optical Coating Laboratory, Llc).

What NSN replaces 9340-00-482-8639?

There are 3 known substitutes for 9340-00-482-8639: 6625-00-684-5898, 5962-01-113-0832, 3040-01-460-1002. Verify interchangeability with system specifications before substitution.

What are the specifications of 2500050?

Key specifications for 2500050: Overall Width: 0.970 INCHES MINIMUM AND 0.990 INCHES MAXIMUM IN; Overall Thickness: 0.043 INCHES MINIMUM AND 0.053 INCHES MAXIMUM IN; Overall Length: 0.790 INCHES MINIMUM AND 0.810 INCHES MAXIMUM IN; Third Corner Radius: 0.110 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN. 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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