The Rib,stiffener,aircraft, cataloged under National Stock Number 1560-01-646-4012, 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 3 specifications, cited from the U.S. Government catalog. The record lists 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 1560-01-646-4012 |
| Primary Part Number | 25-8853-18 |
| Item Name | Rib,stiffener,aircraft |
| FSC / FSG | 1560 / 15 — Airframe Structural Components |
| Manufacturer | Malones Cnc Machining Inc |
| Status | ACTIVE |
| Aircraft Location | INBOARD FLAP |
| Material | ALUMINUM ALLOY 2024 |
| Aircraft Mission Design Series | B-52 |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 25-8853-18 | Malones Cnc Machining Inc (USA) |
| 25-8853-18 | Infinity Fabrication, Inc. (USA) |
| 25-8853-18 | Aero Components, Llc (USA) |
| 25-8853-18 | D-J Engineering Inc Dba D-J Engineering Inc (USA) |
| 25-8853-18 | Fmw, Inc. (USA) |
| 25-8853-18 | H & R Parts Co Inc (USA) |
| 25-8853-18 | Nordam Group Llc, the Div Nordam (USA) |
| 25-8853-18 | Camnetics Manufacturing Corporation (USA) |
| 25-8853-18 | Volumatic Inc Dba Volumatic Inc (USA) |
| Reference | Meaning |
|---|---|
| 25-8853-18 | 3/2 Design control — primary reference U.S. Government activity |
NSN 1560-01-646-4012 is a Rib,stiffener,aircraft, manufactured by Malones Cnc Machining Inc, classified under FSC 1560, Airframe Structural Components. Status: active.
NSN 1560-01-646-4012 has 9 manufacturer part numbers on file: 25-8853-18 (Malones Cnc Machining Inc), 25-8853-18 (Infinity Fabrication, Inc.), 25-8853-18 (Aero Components, Llc), 25-8853-18 (D-J Engineering Inc Dba D-J Engineering Inc), 25-8853-18 (Fmw, Inc.) and 4 more.
Key specifications for 25-8853-18: Aircraft Location: INBOARD FLAP; Part Name Assigned by Controlling Agency: RIB ASSEMBLY,AFT; End Item Identification: B-52 AIRCRAFT; Material: ALUMINUM ALLOY 2024. 3 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 1560-01-646-4012 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.