The Longeron, cataloged under National Stock Number 1560-01-674-3205, 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. The record lists 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Item Name | Longeron |
| FSC / FSG | 1560 — Airframe Structural Components (FSG 15) |
| Manufacturers | Nordam Group Llc, the Div Nordam (CAGE 29957); D-J Engineering Inc Dba D-J Engineering Inc (CAGE 0C7H8); Tect Hypervelocity, Inc. (CAGE 34336); Forrest Machining Llc Dba Fmi Aerostructures (CAGE 0FRC8); The Boeing Company Div Defense (CAGE 76301) |
| Parameter | Value |
|---|---|
| NSN | 1560-01-674-3205 |
| Primary Part Number | 520-14121-3 |
| Item Name | Longeron |
| FSC / FSG | 1560 / 15 — Airframe Structural Components |
| Manufacturer | Nordam Group Llc, the Div Nordam |
| Status | ACTIVE |
| 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 |
|---|---|
| 520-14121-3 | Nordam Group Llc, the Div Nordam (USA) |
| 520-14121-3 | D-J Engineering Inc Dba D-J Engineering Inc (USA) |
| 520-14121-3 | Tect Hypervelocity, Inc. (USA) |
| 520-14121-3 | Forrest Machining Llc Dba Fmi Aerostructures (USA) |
| 520-14121-3 | The Boeing Company Div Defense (USA) |
| 520-14121-3 | Camnetics Manufacturing Corporation (USA) |
| 520-14121-3 | Harlow Aerostructures, Llc (USA) |
| 520-14121-3 | Preci-Manufacturing, Incorporated (USA) |
| Reference | Meaning |
|---|---|
| 520-14121-3 | 3/2 Design control — primary reference U.S. Government activity |
NSN 1560-01-674-3205 is a Longeron, manufactured by Nordam Group Llc, the Div Nordam, classified under FSC 1560, Airframe Structural Components. Status: active.
NSN 1560-01-674-3205 has 8 manufacturer part numbers on file: 520-14121-3 (Nordam Group Llc, the Div Nordam), 520-14121-3 (D-J Engineering Inc Dba D-J Engineering Inc), 520-14121-3 (Tect Hypervelocity, Inc.), 520-14121-3 (Forrest Machining Llc Dba Fmi Aerostructures), 520-14121-3 (The Boeing Company Div Defense) and 3 more.
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 1560-01-674-3205 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.