The Plate,armor,seat Si, cataloged under National Stock Number 1680-00-849-7634, is classified within Federal Supply Class 1680 (Miscellaneous Aircraft Accessories and Components) of the Aircraft Components and Accessories group. The manufacturer of record is Saint-Gobain Advanced Ceramics Llc. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Plate,armor,seat Si |
| FSC / FSG | 1680 — Miscellaneous Aircraft Accessories and Components (FSG 16) |
| Manufacturers | Saint-Gobain Advanced Ceramics Llc (CAGE 46301) |
| Parameter | Value |
|---|---|
| NSN | 1680-00-849-7634 |
| Primary Part Number | 529-101-270 |
| Item Name | Plate,armor,seat Si |
| FSC / FSG | 1680 / 16 — Miscellaneous Aircraft Accessories and Components |
| Manufacturer | Saint-Gobain Advanced Ceramics Llc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 529-101-270 PRIMARY | Saint-Gobain Advanced Ceramics Llc (USA) |
| Reference | Meaning |
|---|---|
| 536A030-113-102 | 5/9 Secondary reference U.S. Government activity |
| 536A030-113-102 | 5/9 Secondary reference Lockheed Martin Corporation Dba Lockheed Martin Div Rotary and Mission Systems |
NSN 1680-00-849-7634 is a Plate,armor,seat Si, manufactured by Saint-Gobain Advanced Ceramics Llc, classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.
NSN 1680-00-849-7634 has 1 manufacturer part number on file: 529-101-270 (Saint-Gobain Advanced Ceramics Llc).
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 1680-00-849-7634 has DEMIL Code D. Demilitarization may be required before disposal or transfer to non-military entities.
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.