The Window,observation, cataloged under National Stock Number 9340-01-230-5254, is classified within Federal Supply Class 9340 (Glass Fabricated Materials) of the Nonmetallic Fabricated Materials group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 8 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 | 9340-01-230-5254 |
| Primary Part Number | 701-5008431 ASSEMBLY 99 |
| Item Name | Window,observation |
| FSC / FSG | 9340 / 93 — Glass Fabricated Materials |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Overall Diameter | 4.740 INCHES MINIMUM AND 4.750 INCHES MAXIMUM IN |
| Overall Thickness | 0.750 INCHES NOMINAL IN |
| Material Transparency | CLEAR |
| Style Designator | CIRCULAR |
| Material Document and Classification | MIL-G-2697A MIL SPEC SINGLE MATERIAL RESPONSE A |
| Edge Type | BEVELED |
| Ply Quantity | 1 |
| Material | GLASS LAMINATE |
| 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 |
|---|---|
| 701-5008431 ASSEMBLY 99 PRIMARY | Naval Sea Systems Command (USA) |
NSN 9340-01-230-5254 is a Window,observation, manufactured by Naval Sea Systems Command, classified under FSC 9340, Glass Fabricated Materials. Status: active.
NSN 9340-01-230-5254 has 1 manufacturer part number on file: 701-5008431 ASSEMBLY 99 (Naval Sea Systems Command).
Key specifications for 701-5008431 ASSEMBLY 99: Overall Diameter: 4.740 INCHES MINIMUM AND 4.750 INCHES MAXIMUM IN; Overall Thickness: 0.750 INCHES NOMINAL IN; Material Transparency: CLEAR; Style Designator: CIRCULAR. 8 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.