The Door,access,aircraft, cataloged under National Stock Number 1560-01-185-0641, is classified within Federal Supply Class 1560 (Airframe Structural Components) of the Aircraft and Airframe Components group. The manufacturer of record is Cpi Aerostructures Inc. Government technical data includes 9 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1560-01-185-0641 |
| Primary Part Number | 4F21635-103A |
| Item Name | Door,access,aircraft |
| FSC / FSG | 1560 / 15 — Airframe Structural Components |
| Manufacturer | Cpi Aerostructures Inc |
| Status | ACTIVE |
| Corner Radius | 1.000 INCHES NOMINAL IN |
| Length | 16.070 INCHES NOMINAL IN |
| Material Document and Classification | QQ-A-250/13,TEMPER O FED SPEC SINGLE MATERIAL RESPONSE AND QQ-A-250/18,TEMPER 6 FED SPEC SINGLE MATERIAL RESPONSE |
| Cross-Sectional Shape Style | FLAT |
| Securing Device Type | FLUSH CATCH |
| Peripheral Shape Style | RECTANGLE, NO HOLES |
| Width | 11.260 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY 7075 |
| Body Thickness | 0.090 INCHES NOMINAL IN |
| 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 |
|---|---|
| 4F21635-103A | Cpi Aerostructures Inc (USA) |
| Reference | Meaning |
|---|---|
| 4F21635-103A | 3/2 Design control — primary reference U.S. Government activity |
| 4F21635-103A | 5/9 Secondary reference Mra Systems, Llc |
NSN 1560-01-185-0641 is a Door,access,aircraft, manufactured by Cpi Aerostructures Inc, classified under FSC 1560, Airframe Structural Components. Status: active.
NSN 1560-01-185-0641 has 1 manufacturer part number on file: 4F21635-103A (Cpi Aerostructures Inc).
Key specifications for 4F21635-103A: Corner Radius: 1.000 INCHES NOMINAL IN; Length: 16.070 INCHES NOMINAL IN; Material Document and Classification: QQ-A-250/13,TEMPER O FED SPEC SINGLE MATERIAL RESPONSE AND QQ-A-250/18,TEMPER 6 FED SPEC SINGLE MATERIAL RESPONSE; Cross-Sectional Shape Style: FLAT. 9 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 1560-01-185-0641 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.