The Rib,airfoil, cataloged under National Stock Number 1560-01-166-2501, is classified within Federal Supply Class 1560 (Airframe Structural Components) of the Aircraft and Airframe Components group. The manufacturer of record is Nordam Group Llc, the Div Nordam. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 1560-01-166-2501 |
| Primary Part Number | 5-83978-502 |
| Item Name | Rib,airfoil |
| FSC / FSG | 1560 / 15 — Airframe Structural Components |
| Manufacturer | Nordam Group Llc, the Div Nordam |
| 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 |
|---|---|
| 5-83978-502 | Nordam Group Llc, the Div Nordam (USA) |
| 5-83978-502 | Volumatic Inc Dba Volumatic Inc (USA) |
| 5-83978-502 | Camnetics Manufacturing Corporation (USA) |
| 5-83978-502 | H & R Parts Co Inc (USA) |
| 5-83978-502 | D-J Engineering Inc Dba D-J Engineering Inc (USA) |
| 5-83978-502 | Infinity Fabrication, Inc. (USA) |
| 5-83978-502 | Precision Air Inc (USA) |
| 5-83978-502 | Malones Cnc Machining Inc (USA) |
| 5-83978-502 | Aero Components, Llc (USA) |
| 5-83978-502 | Fmw, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 5-83978-502 | 3/2 Design control — primary reference U.S. Government activity |
NSN 1560-01-166-2501 is a Rib,airfoil, manufactured by Nordam Group Llc, the Div Nordam, classified under FSC 1560, Airframe Structural Components. Status: active.
NSN 1560-01-166-2501 has 10 manufacturer part numbers on file: 5-83978-502 (Nordam Group Llc, the Div Nordam), 5-83978-502 (Volumatic Inc Dba Volumatic Inc), 5-83978-502 (Camnetics Manufacturing Corporation), 5-83978-502 (H & R Parts Co Inc), 5-83978-502 (D-J Engineering Inc Dba D-J Engineering Inc) and 5 more.
Key specifications for 5-83978-502: 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 1560-01-166-2501 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.