NSN 9340-01-462-2191 — this item is cataloged by the U.S. Government under National Stock Number 9340-01-462-2191. Manufacturer of record part number: 216990500201.
Temp at Maximum Operating Pressure: 450.0 FAHRENHEIT DEGF
Material: GLASS
1 manufacturer part number on file
Identification
NSN: 9340-01-462-2191
NIIN: 014622191
FSC: 9340 — Glass Fabricated Materials
FSG: 93 — Nonmetallic Fabricated Materials
Primary part number: 216990500201
Manufacturer: Kewanee Boiler Mfg Co
General Description
The Window,observation, cataloged under National Stock Number 9340-01-462-2191, is classified within Federal Supply Class 9340 (Glass Fabricated Materials) of the Nonmetallic Fabricated Materials group. The manufacturer of record is Kewanee Boiler Mfg Co. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Other items in FSC 9340 — Glass Fabricated Materials
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
9340-00-001-2702
WINDOW,OBSERVATION
9340-00-001-3590
WINDOW,OBSERVATION
9340-00-001-3591
WINDOW,ELECTRICALL
9340-00-001-3592
WINDOW,OBSERVATION
9340-00-003-0380
WINDOW,OBSERVATION
9340-00-003-1497
9340-00-003-1497 · Item name not on file
9340-00-003-1553
9340-00-003-1553 · Item name not on file
9340-00-003-7325
9340-00-003-7325 · Item name not on file
Frequently Asked Questions
What is NSN 9340-01-462-2191?
NSN 9340-01-462-2191 is a Window,observation, manufactured by Kewanee Boiler Mfg Co, classified under FSC 9340, Glass Fabricated Materials. Status: active.
What part numbers are listed for NSN 9340-01-462-2191?
NSN 9340-01-462-2191 has 1 manufacturer part number on file: 216990500201 (Kewanee Boiler Mfg Co).
What are the specifications of 216990500201?
Key specifications for 216990500201: Overall Diameter: 2.187 INCHES NOMINAL IN; Overall Thickness: 0.250 INCHES NOMINAL IN; Material Transparency: CLEAR; Style Designator: CIRCULAR. 6 specifications are documented in the U.S. Government catalog.
Is NSN 9340-01-462-2191 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.