The Window,observation, cataloged under National Stock Number 9340-01-019-0564, is classified within Federal Supply Class 9340 (Glass Fabricated Materials) of the Nonmetallic Fabricated Materials group. The manufacturer of record is Brooks Instrument Llc. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 9340-01-019-0564 |
| Primary Part Number | A-390-L-002-WW-A |
| Item Name | Window,observation |
| FSC / FSG | 9340 / 93 — Glass Fabricated Materials |
| Manufacturer | Brooks Instrument Llc |
| Status | ACTIVE |
| Overall Thickness | 0.250 INCHES NOMINAL IN |
| Material Transparency | CLEAR |
| Style Designator | SQUARE CORNERS |
| Material Document and Classification | MIL-G-3787,CLASS 2 MIL SPEC SINGLE MATERIAL RESPONSE |
| Ply Quantity | 2 |
| Material | GLASS |
| 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 |
|---|---|
| A-390-L-002-WW-A PRIMARY | Brooks Instrument Llc (USA) |
| Reference | Meaning |
|---|---|
| L-1147-016 PIECE 21 | C/1 Advisory reference — outside the item-of-supply concept Brooks Instrument Llc |
| L-1147-016 PIECE 21 | 5/9 Secondary reference U.S. Government activity |
| A-390-L-002-WW-A | 5/9 Secondary reference U.S. Government activity |
NSN 9340-01-019-0564 is a Window,observation, manufactured by Brooks Instrument Llc, classified under FSC 9340, Glass Fabricated Materials. Status: active.
NSN 9340-01-019-0564 has 1 manufacturer part number on file: A-390-L-002-WW-A (Brooks Instrument Llc).
Key specifications for A-390-L-002-WW-A: Overall Thickness: 0.250 INCHES NOMINAL IN; Material Transparency: CLEAR; Style Designator: SQUARE CORNERS; Material Document and Classification: MIL-G-3787,CLASS 2 MIL SPEC SINGLE MATERIAL RESPONSE. 6 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.