NSN 1560-01-663-9756 · NIIN 016639756 · Part number 352SK221-201
The Boeing Company · FSC 1560 — Airframe Structural Components · FSG 15 — Aircraft and Airframe Components · CAGE 77272
Government record, cited
NSN 1560-01-663-9756 — this item is cataloged by the U.S. Government under National Stock Number 1560-01-663-9756. Manufacturer of record part number: 352SK221-201.
Material Document and Classification: QQ-A-250/5 FED SPEC SINGLE MATERIAL RESPONSE
Width: 2.05 INCHES NOMINAL IN
Material: ALUMINUM ALLOY 2024
Body Thickness: 0.063 INCHES NOMINAL IN
1 manufacturer part number on file
Manufacturer of record: The Boeing Company
Identification
NSN: 1560-01-663-9756
NIIN: 016639756
FSC: 1560 — Airframe Structural Components
FSG: 15 — Aircraft and Airframe Components
Primary part number: 352SK221-201
Manufacturer: The Boeing Company
General Description
The Cover,access,aircraft, cataloged under National Stock Number 1560-01-663-9756, is classified within Federal Supply Class 1560 (Airframe Structural Components) of the Aircraft and Airframe Components group. The manufacturer of record is The Boeing Company. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
1560-01-663-9756
Primary Part Number
352SK221-201
Item Name
Cover,access,aircraft
FSC / FSG
1560 / 15 — Airframe Structural Components
Manufacturer
The Boeing Company
Status
ACTIVE
Length
2.10 INCHES NOMINAL IN
Material Document and Classification
QQ-A-250/5 FED SPEC SINGLE MATERIAL RESPONSE
Width
2.05 INCHES NOMINAL IN
Material
ALUMINUM ALLOY 2024
Body Thickness
0.063 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
Other items in FSC 1560 — Airframe Structural Components
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
1560-00-000-0047
MODIFICATION KIT,AIRFRAME
1560-00-001-1849
GYRO BOX ASSEMBLY
1560-00-001-1850
RADOME
1560-00-001-1851
RADOME
1560-00-001-2368
PLATE,STRUCTURAL,AIRCRAFT
1560-00-001-2478
HINGE,LEADING EDGE
1560-00-001-2479
HINGE,LEADING EDGE
1560-00-001-2480
HINGE,LEADING EDGE
Frequently Asked Questions
What is NSN 1560-01-663-9756?
NSN 1560-01-663-9756 is a Cover,access,aircraft, manufactured by The Boeing Company, classified under FSC 1560, Airframe Structural Components. Status: active.
What part numbers are listed for NSN 1560-01-663-9756?
NSN 1560-01-663-9756 has 1 manufacturer part number on file: 352SK221-201 (The Boeing Company).
What are the specifications of 352SK221-201?
Key specifications for 352SK221-201: Length: 2.10 INCHES NOMINAL IN; Material Document and Classification: QQ-A-250/5 FED SPEC SINGLE MATERIAL RESPONSE; Special Features: CLAD SHEETING 2024-T3; Width: 2.05 INCHES NOMINAL IN. 5 specifications are documented in the U.S. Government catalog.
Is NSN 1560-01-663-9756 hazardous material?
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
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.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.