The Rib,airfoil, cataloged under National Stock Number 1560-01-166-2500, is classified within Federal Supply Class 1560 (Airframe Structural Components) of the Aircraft and Airframe Components group. The manufacturer of record is Infinity Fabrication, Inc.. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 12 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 1560-01-166-2500 |
| Primary Part Number | 5-83978-501 |
| Item Name | Rib,airfoil |
| FSC / FSG | 1560 / 15 — Airframe Structural Components |
| Manufacturer | Infinity Fabrication, Inc. |
| Status | ACTIVE |
| 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 |
|---|---|
| 5-83978-501 | Infinity Fabrication, Inc. (USA) |
| 5-83978-501 | D-J Engineering Inc Dba D-J Engineering Inc (USA) |
| 5-83978-501 | Volumatic Inc Dba Volumatic Inc (USA) |
| 5-83978-501 | Pro-Fab, Llc (USA) |
| 5-83978-501 | Nordam Group Llc, the Div Nordam (USA) |
| 5-83978-501 | Aviator Systems Inc. Dba Aviator Systems Inc (USA) |
| 5-83978-501 | Camnetics Manufacturing Corporation (USA) |
| 5-83978-501 | Malones Cnc Machining Inc (USA) |
| 5-83978-501 | Harlow Aerostructures, Llc (USA) |
| 5-83978-501 | Tect Hypervelocity, Inc. (USA) |
| 5-83978-501 | Aero Components, Llc (USA) |
| 5-83978-501 | C. E. Machine Co., Inc. (USA) |
| Reference | Meaning |
|---|---|
| 5-83978-501 | 3/2 Design control — primary reference U.S. Government activity |
NSN 1560-01-166-2500 is a Rib,airfoil, manufactured by Infinity Fabrication, Inc., classified under FSC 1560, Airframe Structural Components. Status: active.
NSN 1560-01-166-2500 has 12 manufacturer part numbers on file: 5-83978-501 (Infinity Fabrication, Inc.), 5-83978-501 (D-J Engineering Inc Dba D-J Engineering Inc), 5-83978-501 (Volumatic Inc Dba Volumatic Inc), 5-83978-501 (Pro-Fab, Llc), 5-83978-501 (Nordam Group Llc, the Div Nordam) and 7 more.
Key specifications for 5-83978-501: Overall Length: 22.240 INCHES NOMINAL IN; Aircraft Mission Design Series: B-52. 1 specification is 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 1560-01-166-2500 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.