The Stay Upper, cataloged under National Stock Number 1680-01-675-4927, is classified within Federal Supply Class 1680 (Miscellaneous Aircraft Accessories and Components) of the Aircraft Components and Accessories group. The manufacturer of record is Insitu, Inc.. Government technical data includes 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 1680-01-675-4927 |
| Primary Part Number | 029-000209-001 |
| Item Name | Stay Upper |
| FSC / FSG | 1680 / 16 — Miscellaneous Aircraft Accessories and Components |
| Manufacturer | Insitu, Inc. |
| Status | ACTIVE |
| Special Test Features | ALRE ITEM (AIRCRAFT LAUNCH AND RECOVERY EQUIPMENT) |
| Criticality Code Justification | FEAT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| 029-000209-001 PRIMARY | Insitu, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 1680PL1907121 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 1680-01-675-4927 is a Stay Upper, manufactured by Insitu, Inc., classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.
NSN 1680-01-675-4927 has 1 manufacturer part number on file: 029-000209-001 (Insitu, Inc.).
Key specifications for 029-000209-001: Special Test Features: ALRE ITEM (AIRCRAFT LAUNCH AND RECOVERY EQUIPMENT); Criticality Code Justification: FEAT; Special Features: CRITICAL SAFETY ITEM (CSI); Part Name Assigned by Controlling Agency: STAY, UPPER ASSEMBLY. 2 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.
NSN 1680-01-675-4927 has DEMIL Code Q. 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.