The Rib,stiffener,aircraft, cataloged under National Stock Number 1560-01-646-6863, is classified within Federal Supply Class 1560 (Airframe Structural Components) of the Aircraft and Airframe Components group. The manufacturer of record is Malones Cnc Machining Inc. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 1560-01-646-6863 |
| Primary Part Number | 25-8838-8 |
| Item Name | Rib,stiffener,aircraft |
| FSC / FSG | 1560 / 15 — Airframe Structural Components |
| Manufacturer | Malones Cnc Machining Inc |
| Status | ACTIVE |
| Aircraft Station Number | 462.5,531.8 AND 550.7 |
| Aircraft Location | INBOARD FLAP |
| Material | ALUMINUM ALLOY 2024 |
| Aircraft Mission Design Series | B-52 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
NSN 1560-01-646-6863 is a Rib,stiffener,aircraft, manufactured by Malones Cnc Machining Inc, classified under FSC 1560, Airframe Structural Components. Status: active.
NSN 1560-01-646-6863 has 3 manufacturer part numbers on file: 25-8838-8 (Malones Cnc Machining Inc), 25-8838-8 (Infinity Fabrication, Inc.), 25-8838-8 (H & R Parts Co Inc).
Key specifications for 25-8838-8: Aircraft Station Number: 462.5,531.8 AND 550.7; Aircraft Location: INBOARD FLAP; Part Name Assigned by Controlling Agency: RIB ASSEMBLY,FORWARD; End Item Identification: B-52 AIRCRAFT. 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 1560-01-646-6863 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.