NSN 9340-01-256-5996 — this item is cataloged by the U.S. Government under National Stock Number 9340-01-256-5996. Manufacturer of record part number: WPW90-T9T.
Supplementary Features: 4 MTG HOLES FOR WAVEGUIDE PRESSURE WINDOW
Material Transparency: CLEAR
Style Designator: SQUARE CORNERS
Material: PLASTIC
1 manufacturer part number on file
Manufacturer of record: Space Machine & Engineering Corp. Dba Space Machine & Engineering Corp
Identification
NSN: 9340-01-256-5996
NIIN: 012565996
FSC: 9340 — Glass Fabricated Materials
FSG: 93 — Nonmetallic Fabricated Materials
Primary part number: WPW90-T9T
Manufacturer: Space Machine & Engineering Corp. Dba Space Machine & Engineering Corp
General Description
The Window,observation, cataloged under National Stock Number 9340-01-256-5996, is classified within Federal Supply Class 9340 (Glass Fabricated Materials) of the Nonmetallic Fabricated Materials group. The manufacturer of record is Space Machine & Engineering Corp. Dba Space Machine & Engineering Corp. Government technical data includes 4 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.
Technical Specifications
Parameter
Value
NSN
9340-01-256-5996
Primary Part Number
WPW90-T9T
Item Name
Window,observation
FSC / FSG
9340 / 93 — Glass Fabricated Materials
Manufacturer
Space Machine & Engineering Corp. Dba Space Machine & Engineering Corp
Space Machine & Engineering Corp. Dba Space Machine & Engineering Corp (USA)
No interchangeability data on file.
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 9340-01-256-5996?
NSN 9340-01-256-5996 is a Window,observation, manufactured by Space Machine & Engineering Corp. Dba Space Machine & Engineering Corp, classified under FSC 9340, Glass Fabricated Materials. Status: active.
What part numbers are listed for NSN 9340-01-256-5996?
NSN 9340-01-256-5996 has 1 manufacturer part number on file: WPW90-T9T (Space Machine & Engineering Corp. Dba Space Machine & Engineering Corp).
What are the specifications of WPW90-T9T?
Key specifications for WPW90-T9T: Supplementary Features: 4 MTG HOLES FOR WAVEGUIDE PRESSURE WINDOW; Material Transparency: CLEAR; Style Designator: SQUARE CORNERS; Material: PLASTIC. 4 specifications are documented in the U.S. Government catalog.
Is NSN 9340-01-256-5996 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.