The Support,structural Component,air, cataloged under National Stock Number 1560-01-623-0736, is classified within Federal Supply Class 1560 (Airframe Structural Components) of the Aircraft and Airframe Components group. The manufacturer of record is Lockheed Martin Corporation Div Rotary and Mission Systems. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | Support,structural Component,air |
| FSC / FSG | 1560 — Airframe Structural Components (FSG 15) |
| Manufacturers | Airtronics, Llc (CAGE 58078); Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (CAGE 78286); Lockheed Martin Corporation Div Rotary and Mission Systems (CAGE 03640) |
| Parameter | Value |
|---|---|
| NSN | 1560-01-623-0736 |
| Primary Part Number | 299A685-3 |
| Item Name | Support,structural Component,air |
| FSC / FSG | 1560 / 15 — Airframe Structural Components |
| Manufacturer | Lockheed Martin Corporation Div Rotary and Mission Systems |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 299A685-3 | Airtronics, Llc (USA) |
| 299A685-3 | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
| 299A685-3 PRIMARY | Lockheed Martin Corporation Div Rotary and Mission Systems (USA) |
| Reference | Meaning |
|---|---|
| 299A6853-3 | 5/9 Secondary reference Airtronics, Llc |
| 299A6853 | 3/2 Design control — primary reference U.S. Government activity |
NSN 1560-01-623-0736 is a Support,structural Component,air, manufactured by Lockheed Martin Corporation Div Rotary and Mission Systems, classified under FSC 1560, Airframe Structural Components. Status: active.
NSN 1560-01-623-0736 has 3 manufacturer part numbers on file: 299A685-3 (Airtronics, Llc), 299A685-3 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp), 299A685-3 (Lockheed Martin Corporation Div Rotary and Mission Systems).
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 1560-01-623-0736 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.