The Window,observation, cataloged under National Stock Number 9340-01-263-9163, is classified within Federal Supply Class 9340 (Glass Fabricated Materials) of the Nonmetallic Fabricated Materials group. The manufacturer of record is Lockheed Martin Sippican, Inc. Div Lockheed Martin Marion. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 9340-01-263-9163 |
| Primary Part Number | 413883-1 |
| Item Name | Window,observation |
| FSC / FSG | 9340 / 93 — Glass Fabricated Materials |
| Manufacturer | Lockheed Martin Sippican, Inc. Div Lockheed Martin Marion |
| Status | ACTIVE |
| Overall Thickness | 0.235 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN |
| Material Transparency | CLEAR |
| Style Designator | SQUARE CORNERS |
| Material | GLASS SAFETY |
| Wire Mesh Pattern | SQUARE |
| 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 |
|---|---|
| 413883-1 PRIMARY | Lockheed Martin Sippican, Inc. Div Lockheed Martin Marion (USA) |
NSN 9340-01-263-9163 is a Window,observation, manufactured by Lockheed Martin Sippican, Inc. Div Lockheed Martin Marion, classified under FSC 9340, Glass Fabricated Materials. Status: active.
NSN 9340-01-263-9163 has 1 manufacturer part number on file: 413883-1 (Lockheed Martin Sippican, Inc. Div Lockheed Martin Marion).
Key specifications for 413883-1: Overall Thickness: 0.235 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN; Material Transparency: CLEAR; Style Designator: SQUARE CORNERS; Overall Length: 1.630 INCHES MINIMUM AND 1.650 INCHES MAXIMUM 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.