The Piston,2nd Stage,ai, cataloged under National Stock Number 1680-01-549-7211, 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. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 1680-01-549-7211 |
| Primary Part Number | 901-036-573-103 |
| Item Name | Piston,2nd Stage,ai |
| FSC / FSG | 1680 / 16 — Miscellaneous Aircraft Accessories and Components |
| Manufacturer | The Boeing Company |
| Status | ACTIVE |
| 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 | F |
| Part Number | Manufacturer |
|---|---|
| 901-036-573-103 PRIMARY | The Boeing Company (USA) |
| 901-036-573-103 | Safran Landing Systems Canada Inc. (CAN) |
| Reference | Meaning |
|---|---|
| 901-036-573-101A | 5/9 Secondary reference The Boeing Company |
| 901-036-573-101A | 5/9 Secondary reference Safran Landing Systems Canada Inc. |
NSN 1680-01-549-7211 is a Piston,2nd Stage,ai, manufactured by The Boeing Company, classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.
NSN 1680-01-549-7211 has 2 manufacturer part numbers on file: 901-036-573-103 (The Boeing Company), 901-036-573-103 (Safran Landing Systems Canada Inc.).
Key specifications for 901-036-573-103: Criticality Code Justification: FEAT; Special Features: FLIGHT SAFETY CRITICAL AIRCRAFT PART; End Item Identification: MV-22 AIRCRAFT. 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 1680-01-549-7211 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.