The Arm,idler Assy, cataloged under National Stock Number 1560-01-121-6563, is classified within Federal Supply Class 1560 (Airframe Structural Components) of the Aircraft and Airframe Components group. The manufacturer of record is A F B Systems, Inc. Dba Sierra Tech. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Arm,idler Assy |
| FSC / FSG | 1560 — Airframe Structural Components (FSG 15) |
| Manufacturers | A F B Systems, Inc. Dba Sierra Tech (CAGE 9U283); Intertrade Aviation Corp (CAGE 8T729); Aero Components, Llc (CAGE 59213) |
| Parameter | Value |
|---|---|
| NSN | 1560-01-121-6563 |
| Primary Part Number | 2-73339-1 |
| Item Name | Arm,idler Assy |
| FSC / FSG | 1560 / 15 — Airframe Structural Components |
| Manufacturer | A F B Systems, Inc. Dba Sierra Tech |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 2-73339-1 | A F B Systems, Inc. Dba Sierra Tech (USA) |
| 2-73339-1 | Intertrade Aviation Corp (USA) |
| 2-73339-1 | Aero Components, Llc (USA) |
| Reference | Meaning |
|---|---|
| 2-73339-1 | 5/9 Secondary reference Flight Logistics, Inc. Dba Pacific Aerodyne |
| 2-73339-1 | 3/9 Design control — primary reference Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems |
| 2-73339-1 | C/1 Advisory reference — outside the item-of-supply concept Northrop Grumman Technical Services, Inc. Dba Defense Systems Sector |
NSN 1560-01-121-6563 is a Arm,idler Assy, manufactured by A F B Systems, Inc. Dba Sierra Tech, classified under FSC 1560, Airframe Structural Components. Status: active.
NSN 1560-01-121-6563 has 3 manufacturer part numbers on file: 2-73339-1 (A F B Systems, Inc. Dba Sierra Tech), 2-73339-1 (Intertrade Aviation Corp), 2-73339-1 (Aero Components, Llc).
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 1560-01-121-6563 has DEMIL Code D. 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.