The Sway Brace,machined, cataloged under National Stock Number 1680-01-041-6677, is classified within Federal Supply Class 1680 (Miscellaneous Aircraft Accessories and Components) of the Aircraft Components and Accessories group. The manufacturer of record is Design/ol, Inc.. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 1680-01-041-6677 |
| Primary Part Number | A51K56513-11 |
| Item Name | Sway Brace,machined |
| FSC / FSG | 1680 / 16 — Miscellaneous Aircraft Accessories and Components |
| Manufacturer | Design/ol, Inc. |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL MIL-S-8844,TYPE 4340,ROCKWELL SCALE C 50-53 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| A51K56513-11 | Design/ol, Inc. (USA) |
| A51K56513-11 | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Northrop Grumman Aeronautics Systems (USA) |
| Reference | Meaning |
|---|---|
| A51K56513-11 | C/1 Advisory reference — outside the item-of-supply concept Northrop Grumman Systems Corporation |
| A51K56513-11 | 3/9 Design control — primary reference Northrop Grumman Systems Corporation |
NSN 1680-01-041-6677 is a Sway Brace,machined, manufactured by Design/ol, Inc., classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.
NSN 1680-01-041-6677 has 2 manufacturer part numbers on file: A51K56513-11 (Design/ol, Inc.), A51K56513-11 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Northrop Grumman Aeronautics Systems).
Key specifications for A51K56513-11: General Characteristics Item Description: STEEL MIL-S-8844,TYPE 4340,ROCKWELL SCALE C 50-53; End Item Identification: AIRCRAFT MODEL F-14A A. 1 specification is 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 1680-01-041-6677 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.