The Outer Tube Assy, cataloged under National Stock Number 4920-01-539-8115, 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 4 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4920-01-539-8115 |
| Item Name | Outer Tube Assy |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Status | ACTIVE |
| Relationship to Similar Equipment | INNER TUBE ASSY 14-1135-002 |
| Overall Diameter | 2.178 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE |
| Material | STEEL CORROSION RESISTING |
| 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 |
|---|---|
| 14-1135-001 | 3/2 Design control — primary reference U.S. Government activity |
| 14-1135 | D/9 Drawing number reference only U.S. Government activity |
NSN 4920-01-539-8115 is a Outer Tube Assy, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 4920-01-539-8140. Verify interchangeability with system specifications before substitution.
Key specifications for 4920-01-539-8115: Relationship to Similar Equipment: INNER TUBE ASSY 14-1135-002; Overall Diameter: 2.178 INCHES NOMINAL IN; Overall Length: 32.300 INCHES NOMINAL IN; Special Features: TUBE MATERIAL STAINLESS STEEL 304;BEARING BRONZE TUBE HOLLOW. 4 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.