The Window,observation, cataloged under National Stock Number 9340-00-375-3211, is classified within Federal Supply Class 9340 (Glass Fabricated Materials) of the Nonmetallic Fabricated Materials group. The manufacturer of record is Vapor Power International, Llc. Government technical data includes 5 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 9340-00-375-3211 |
| Primary Part Number | 45020748 |
| Item Name | Window,observation |
| FSC / FSG | 9340 / 93 — Glass Fabricated Materials |
| Manufacturer | Vapor Power International, Llc |
| Status | ACTIVE |
| Overall Thickness | 0.500 INCHES NOMINAL IN |
| Material Transparency | CLEAR |
| Style Designator | SQUARE CORNERS |
| Edge Type | FLAT FINISH |
| Material | GLASS BOROSILICATE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 45020748 PRIMARY | Vapor Power International, Llc (USA) |
| Reference | Meaning |
|---|---|
| 45020748 | 5/9 Secondary reference U.S. Government activity |
| 100-908 | 3/9 Design control — primary reference U.S. Government activity |
NSN 9340-00-375-3211 is a Window,observation, manufactured by Vapor Power International, Llc, classified under FSC 9340, Glass Fabricated Materials. Status: active.
NSN 9340-00-375-3211 has 1 manufacturer part number on file: 45020748 (Vapor Power International, Llc).
4 possible matches (shared part number, not a government interchangeability claim): 1680-00-773-3023, 5905-00-914-5987, 4820-01-130-9551. Verify interchangeability with system specifications before substitution.
Key specifications for 45020748: Overall Thickness: 0.500 INCHES NOMINAL IN; Material Transparency: CLEAR; Style Designator: SQUARE CORNERS; Overall Length: 3.750 INCHES NOMINAL IN. 5 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
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.