The Rib,airfoil, cataloged under National Stock Number 1560-01-433-8917, is classified within Federal Supply Class 1560 (Airframe Structural Components) of the Aircraft and Airframe Components group. The manufacturer of record is Tect Hypervelocity, Inc.. Government technical data includes 5 specifications, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1560-01-433-8917 |
| Primary Part Number | 50-9740-1 |
| Item Name | Rib,airfoil |
| FSC / FSG | 1560 / 15 — Airframe Structural Components |
| Manufacturer | Tect Hypervelocity, Inc. |
| Status | ACTIVE |
| Material Document and Classification | QQ-A-277 T6 FED SPEC SINGLE MATERIAL RESPONSE |
| Aircraft Location | HORIZONTAL STABILIZER |
| Material | ALUMINUM ALLOY 7075 |
| Side for Which Designed | BOTH SIDES |
| Aircraft Mission Design Series | KC-135A/R A |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 50-9740-1 | Tect Hypervelocity, Inc. (USA) |
| 50-9740-1 | C. E. Machine Co., Inc. (USA) |
| 50-9740-1 | Infinity Fabrication, Inc. (USA) |
| 50-9740-1 | Pro-Fab, Llc (USA) |
| 50-9740-1 | Harlow Aerostructures, Llc (USA) |
| 50-9740-1 | Nordam Group Llc, the Div Nordam (USA) |
| 50-9740-1 | Camnetics Manufacturing Corporation (USA) |
| 50-9740-1 | Malones Cnc Machining Inc (USA) |
| 50-9740-1 | D-J Engineering Inc Dba D-J Engineering Inc (USA) |
| 50-9740-1 | Volumatic Inc Dba Volumatic Inc (USA) |
| Reference | Meaning |
|---|---|
| 50-9740-1 | 3/2 Design control — primary reference U.S. Government activity |
| 50-9740 | 5/9 Secondary reference U.S. Government activity |
NSN 1560-01-433-8917 is a Rib,airfoil, manufactured by Tect Hypervelocity, Inc., classified under FSC 1560, Airframe Structural Components. Status: active.
NSN 1560-01-433-8917 has 10 manufacturer part numbers on file: 50-9740-1 (Tect Hypervelocity, Inc.), 50-9740-1 (C. E. Machine Co., Inc.), 50-9740-1 (Infinity Fabrication, Inc.), 50-9740-1 (Pro-Fab, Llc), 50-9740-1 (Harlow Aerostructures, Llc) and 5 more.
Key specifications for 50-9740-1: Material Document and Classification: QQ-A-277 T6 FED SPEC SINGLE MATERIAL RESPONSE; Aircraft Location: HORIZONTAL STABILIZER; Material: ALUMINUM ALLOY 7075; Side for Which Designed: BOTH SIDES. 5 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 1560-01-433-8917 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.