The Fitting,structural Component,air, cataloged under National Stock Number 1560-01-677-7993, is classified within Federal Supply Class 1560 (Airframe Structural Components) of the Aircraft and Airframe Components group. The manufacturer of record is Harlow Aerostructures, Llc. Government technical data includes 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 1560-01-677-7993 |
| Primary Part Number | 520-14122-2 |
| Item Name | Fitting,structural Component,air |
| FSC / FSG | 1560 / 15 — Airframe Structural Components |
| Manufacturer | Harlow Aerostructures, Llc |
| Status | ACTIVE |
| Material Document and Classification | AMS4050 ASSN STD SINGLE MATERIAL RESPONSE |
| Material Thickness | 1.2 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY 7075 |
| Aircraft Mission Design Series | B-52 AIRCRAFT |
| 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 |
|---|---|
| 520-14122-2 | Harlow Aerostructures, Llc (USA) |
| 520-14122-2 | Tect Hypervelocity, Inc. (USA) |
| 520-14122-2 | Forrest Machining Llc Dba Fmi Aerostructures (USA) |
| 520-14122-2 | Malones Cnc Machining Inc (USA) |
| 520-14122-2 | Camnetics Manufacturing Corporation (USA) |
| 520-14122-2 | Preci-Manufacturing, Incorporated (USA) |
| 520-14122-2 | D-J Engineering Inc Dba D-J Engineering Inc (USA) |
| 520-14122-2 | Nordam Group Llc, the Div Nordam (USA) |
| 520-14122-2 | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| 520-14122-2 | 3/2 Design control — primary reference U.S. Government activity |
NSN 1560-01-677-7993 is a Fitting,structural Component,air, manufactured by Harlow Aerostructures, Llc, classified under FSC 1560, Airframe Structural Components. Status: active.
NSN 1560-01-677-7993 has 9 manufacturer part numbers on file: 520-14122-2 (Harlow Aerostructures, Llc), 520-14122-2 (Tect Hypervelocity, Inc.), 520-14122-2 (Forrest Machining Llc Dba Fmi Aerostructures), 520-14122-2 (Malones Cnc Machining Inc), 520-14122-2 (Camnetics Manufacturing Corporation) and 4 more.
Key specifications for 520-14122-2: Material Document and Classification: AMS4050 ASSN STD SINGLE MATERIAL RESPONSE; Overall Length: 14.3 INCHES NOMINAL IN; Overall Width: 2.5 INCHES NOMINAL IN; Material Thickness: 1.2 INCHES NOMINAL IN. 4 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 1560-01-677-7993 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.