The Parts Kit,seal Replacement,mecha, cataloged under National Stock Number 4920-01-688-3123, 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. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4920-01-688-3123 |
| Primary Part Number | RT-20 |
| Item Name | Parts Kit,seal Replacement,mecha |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Lockheed Martin Corporation |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| RT-20 PRIMARY | Lockheed Martin Corporation (USA) |
NSN 4920-01-688-3123 is a Parts Kit,seal Replacement,mecha, manufactured by Lockheed Martin Corporation, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4920-01-688-3123 has 1 manufacturer part number on file: RT-20 (Lockheed Martin Corporation).
Key specifications for RT-20: Part Name Assigned by Controlling Agency: PARTS KIT,SEAL REPL U-2; End Item Identification: U-2 AIRCRAFT. 0 specifications are 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.
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.