The Maintenance Kit,aircraft, cataloged under National Stock Number 4920-01-525-7013, is classified within Federal Supply Class 4920 (Aircraft Maintenance and Repair Shop Specialized Equipment) of the Maintenance and Repair Shop Equipment group. Government technical data includes 3 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4920-01-525-7013 |
| Item Name | Maintenance Kit,aircraft |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Status | ACTIVE |
| Supplementary Features | NYLON STORAGE BAG 18X18X18 |
| Reference Data and Literature | SERD NO. 490129 |
| Functional Description | USED TO RAISE OR LOWER HEAT EXCHANGER OR TURBOCOMPRESSOR INTO AND OUT OF ITS INSTALLATION POSITION IN THE FORWARD MAIN LANDING GEAR POD. ALSO USED IN INSTALLING THE SLEEVES ON THE JOINT-BETWEEN THE OBIGGS II HEAT EXCHANGER AND BYPASS HEAD VALVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 17G490129-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4920-01-525-7013 is a Maintenance Kit,aircraft, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
Key specifications for 4920-01-525-7013: Supplementary Features: NYLON STORAGE BAG 18X18X18; Reference Data and Literature: SERD NO. 490129; Special Features: C/O BLOCK AND TACKLE, 2 SLINGS, ASLEEVE ALIGNMENT TOOL; Functional Description: USED TO RAISE OR LOWER HEAT EXCHANGER OR TURBOCOMPRESSOR INTO AND OUT OF ITS INSTALLATION POSITION IN THE FORWARD MAIN LANDING GEAR POD. ALSO USED IN INSTALLING THE SLEEVES ON THE JOINT-BETWEEN THE OBIGGS II HEAT EXCHANGER AND BYPASS HEAD VALVE. 3 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.