The Rib,stiffener,aircraft, cataloged under National Stock Number 1560-01-554-9181, is classified within Federal Supply Class 1560 (Airframe Structural Components) of the Aircraft and Airframe Components group. Government technical data includes 4 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 1560-01-554-9181 |
| Item Name | Rib,stiffener,aircraft |
| FSC / FSG | 1560 / 15 — Airframe Structural Components |
| Status | ACTIVE |
| Material Thickness | 0.080 INCHES NOMINAL IN |
| Aircraft Location | RIB INSTALLATION OUTBOARD TRACK OUTBOARD FLAP |
| Material | ALUMINUM ALLOY 7075 |
| Aircraft Mission Design Series | KC-135 STRATOTANKER |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 5-87852-71 | 3/2 Design control — primary reference U.S. Government activity |
NSN 1560-01-554-9181 is a Rib,stiffener,aircraft, classified under FSC 1560, Airframe Structural Components. Status: active.
Key specifications for 1560-01-554-9181: Overall Length: 8.000 INCHES NOMINAL IN; Overall Width: 2.900 INCHES NOMINAL IN; Material Thickness: 0.080 INCHES NOMINAL IN; Special Features: FINISH F-2.115 CLAD 7075-T6 SH QQ-A-287 T6 TEMPER. 4 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 1560-01-554-9181 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.