The Support,structural Component,air, cataloged under National Stock Number 1560-01-166-1206, is classified within Federal Supply Class 1560 (Airframe Structural Components) of the Aircraft and Airframe Components group. The manufacturer of record is Aero Components, Llc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1560-01-166-1206 |
| Primary Part Number | 66-1704-2 |
| Item Name | Support,structural Component,air |
| FSC / FSG | 1560 / 15 — Airframe Structural Components |
| Manufacturer | Aero Components, Llc |
| 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 |
|---|---|
| 66-1704-2 | Aero Components, Llc (USA) |
| 66-1704-2 | Nordam Group Llc, the Div Nordam (USA) |
| 66-1704-2 | Malones Cnc Machining Inc (USA) |
| 66-1704-2 | D-J Engineering Inc Dba D-J Engineering Inc (USA) |
| 66-1704-2 | Tect Hypervelocity, Inc. (USA) |
| 66-1704-2 | Harlow Aerostructures, Llc (USA) |
| 66-1704-2 | Infinity Fabrication, Inc. (USA) |
| 66-1704-2 | Camnetics Manufacturing Corporation (USA) |
| 66-1704-2 | Fmw, Inc. (USA) |
| 66-1704-2 | Volumatic Inc Dba Volumatic Inc (USA) |
| 66-1704-2 | C. E. Machine Co., Inc. (USA) |
| 66-1704-2 | Pro-Fab, Llc (USA) |
| Reference | Meaning |
|---|---|
| 66-1704-2 | 3/2 Design control — primary reference U.S. Government activity |
NSN 1560-01-166-1206 is a Support,structural Component,air, manufactured by Aero Components, Llc, classified under FSC 1560, Airframe Structural Components. Status: active.
NSN 1560-01-166-1206 has 12 manufacturer part numbers on file: 66-1704-2 (Aero Components, Llc), 66-1704-2 (Nordam Group Llc, the Div Nordam), 66-1704-2 (Malones Cnc Machining Inc), 66-1704-2 (D-J Engineering Inc Dba D-J Engineering Inc), 66-1704-2 (Tect Hypervelocity, Inc.) and 7 more.
1 possible match (shared part number, not a government interchangeability claim): 4320-01-451-6424. Verify interchangeability with system specifications before substitution.
Key specifications for 66-1704-2: Special Features: OPPOSITE -1;MATERIAL-7075-T6 EXTR PER QQ-A-277;ALTERED BAC 1519.87 X 1.60;USED ON CONTROL TAB,ELEVATOR; End Item Identification: KC-135 AIRCRAFT. 0 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 1560-01-166-1206 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.