The Rib,stiffener,aircraft, cataloged under National Stock Number 1560-01-646-3797, is classified within Federal Supply Class 1560 (Airframe Structural Components) of the Aircraft and Airframe Components group. The manufacturer of record is Fmw, Inc.. Government technical data includes 3 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1560-01-646-3797 |
| Primary Part Number | 25-8847-8 |
| Item Name | Rib,stiffener,aircraft |
| FSC / FSG | 1560 / 15 — Airframe Structural Components |
| Manufacturer | Fmw, 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 |
|---|---|
| 25-8847-8 | Fmw, Inc. (USA) |
| 25-8847-8 | D-J Engineering Inc Dba D-J Engineering Inc (USA) |
| 25-8847-8 | Volumatic Inc Dba Volumatic Inc (USA) |
| Reference | Meaning |
|---|---|
| 25-8847-8 | 3/2 Design control — primary reference U.S. Government activity |
| 24-8847-8 | 5/9 Secondary reference H & R Parts Co Inc |
| 24-8847-8 | 5/9 Secondary reference Infinity Fabrication, Inc. |
| 24-8847-8 | 5/9 Secondary reference Malones Cnc Machining Inc |
NSN 1560-01-646-3797 is a Rib,stiffener,aircraft, manufactured by Fmw, Inc., classified under FSC 1560, Airframe Structural Components. Status: active.
NSN 1560-01-646-3797 has 3 manufacturer part numbers on file: 25-8847-8 (Fmw, Inc.), 25-8847-8 (D-J Engineering Inc Dba D-J Engineering Inc), 25-8847-8 (Volumatic Inc Dba Volumatic Inc).
Key specifications for 25-8847-8: 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 1560-01-646-3797 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.