The Case,test Set, cataloged under National Stock Number 4920-01-565-0601, 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. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 4920-01-565-0601 |
| Primary Part Number | RR2522-12 |
| Item Name | Case,test Set |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Lockheed Martin Corporation Div Rotary and Mission Systems |
| Status | ACTIVE |
| Material | PLASTIC, POLYETHYLENE (PP) |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| RR2522-12 PRIMARY | Lockheed Martin Corporation Div Rotary and Mission Systems (USA) |
| Reference | Meaning |
|---|---|
| RR2522-12 | 5/1 Secondary reference Atlas Case, Inc |
NSN 4920-01-565-0601 is a Case,test Set, manufactured by Lockheed Martin Corporation Div Rotary and Mission Systems, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4920-01-565-0601 has 1 manufacturer part number on file: RR2522-12 (Lockheed Martin Corporation Div Rotary and Mission Systems).
Key specifications for RR2522-12: Special Features: 24.25 X 21.25 X 12 IN INSIDE DIMENSIONS; BOTTOM DEPTH 9IN AND LID DEPTH 3IN IN; Part Name Assigned by Controlling Agency: ROTO RUGGED CASE; End Item Identification: F-22 RAPTOR; Material: PLASTIC, POLYETHYLENE (PP). 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 4920-01-565-0601 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.