The Accessory Set,aircr, cataloged under National Stock Number 4920-01-526-9459, is classified within Federal Supply Class 4920 (Aircraft Maintenance and Repair Shop Specialized Equipment) of the Maintenance and Repair Shop Equipment group. The manufacturer of record is Lockheed Martin Corporation Div Rotary and Mission Systems. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Accessory Set,aircr |
| FSC / FSG | 4920 — Aircraft Maintenance and Repair Shop Specialized Equipment (FSG 49) |
| Manufacturers | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (CAGE 30003); Lockheed Martin Corporation Div Rotary and Mission Systems (CAGE 16331) |
| Parameter | Value |
|---|---|
| NSN | 4920-01-526-9459 |
| Primary Part Number | 2059AS249-01 |
| Item Name | Accessory Set,aircr |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Lockheed Martin Corporation Div Rotary and Mission Systems |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | V |
| Part Number | Manufacturer |
|---|---|
| 2059AS249-01 | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| 2059AS249-01 PRIMARY | Lockheed Martin Corporation Div Rotary and Mission Systems (USA) |
| Reference | Meaning |
|---|---|
| 2059AS249-01 | 5/9 Secondary reference Lockheed Martin Corporation Dba Lockheed Martin Simulation Training & Support |
NSN 4920-01-526-9459 is a Accessory Set,aircr, manufactured by Lockheed Martin Corporation Div Rotary and Mission Systems, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4920-01-526-9459 has 2 manufacturer part numbers on file: 2059AS249-01 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), 2059AS249-01 (Lockheed Martin Corporation Div Rotary and Mission Systems).
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 4920-01-526-9459 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.