The Clip,closure Aux Ai, cataloged under National Stock Number 1680-01-479-5557, is classified within Federal Supply Class 1680 (Miscellaneous Aircraft Accessories and Components) of the Aircraft Components and Accessories group. The manufacturer of record is The Boeing Company Div Defense. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Clip,closure Aux Ai |
| FSC / FSG | 1680 — Miscellaneous Aircraft Accessories and Components (FSG 16) |
| Manufacturers | The Boeing Company Div Defense (CAGE 76301) |
| Parameter | Value |
|---|---|
| NSN | 1680-01-479-5557 |
| Primary Part Number | 75A321211-2042 |
| Item Name | Clip,closure Aux Ai |
| FSC / FSG | 1680 / 16 — Miscellaneous Aircraft Accessories and Components |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| 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 |
|---|---|
| 75A321211-2042 | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| 75A321211 | D/9 Drawing number reference only The Boeing Company Div Defense |
| 75A321211-2042 | 3/2 Design control — primary reference U.S. Government activity |
NSN 1680-01-479-5557 is a Clip,closure Aux Ai, manufactured by The Boeing Company Div Defense, classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.
NSN 1680-01-479-5557 has 1 manufacturer part number on file: 75A321211-2042 (The Boeing Company Div Defense).
2 possible matches (shared part number, not a government interchangeability claim): 1560-01-479-5562, 1560-01-479-5568. Verify interchangeability with system specifications before substitution.
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.