The Cushion,seat Back,aircraft, cataloged under National Stock Number 1680-01-390-4583, is classified within Federal Supply Class 1680 (Miscellaneous Aircraft Accessories and Components) of the Aircraft Components and Accessories group. The manufacturer of record is Mag Aerospace Industries, Llc Div Safran Cabins. Government technical data includes 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1680-01-390-4583 |
| Primary Part Number | 838679-401 |
| Item Name | Cushion,seat Back,aircraft |
| FSC / FSG | 1680 / 16 — Miscellaneous Aircraft Accessories and Components |
| Manufacturer | Mag Aerospace Industries, Llc Div Safran Cabins |
| Status | ACTIVE |
| Overall Diameter | 18.700 INCHES NOMINAL IN |
| Material | PLASTIC POLYURETHANE COVER |
| Spring | NOT INCLUDED |
| 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 |
|---|---|
| 838679-401 PRIMARY | Mag Aerospace Industries, Llc Div Safran Cabins (USA) |
| Reference | Meaning |
|---|---|
| 838679-401 | 5/9 Secondary reference U.S. Government activity |
NSN 1680-01-390-4583 is a Cushion,seat Back,aircraft, manufactured by Mag Aerospace Industries, Llc Div Safran Cabins, classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.
NSN 1680-01-390-4583 has 1 manufacturer part number on file: 838679-401 (Mag Aerospace Industries, Llc Div Safran Cabins).
Key specifications for 838679-401: Overall Diameter: 18.700 INCHES NOMINAL IN; Overall Length: 24.900 INCHES NOMINAL IN; Special Features: BACK, CUSHION, FOAM CREW SEAT; End Item Identification: AIRCRAFT C-17A A. 3 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.