The Block,radius, cataloged under National Stock Number 1560-01-698-7634, is classified within Federal Supply Class 1560 (Airframe Structural Components) of the Aircraft and Airframe Components group. The manufacturer of record is Aero Engineering & Manufacturing Company of California, Llc Dba Aeroengineering & Manufacturing Co. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Block,radius |
| FSC / FSG | 1560 — Airframe Structural Components (FSG 15) |
| Manufacturers | Aero Engineering & Manufacturing Company of California, Llc Dba Aeroengineering & Manufacturing Co (CAGE 17772) |
| Parameter | Value |
|---|---|
| NSN | 1560-01-698-7634 |
| Primary Part Number | 4J12120-102A |
| Item Name | Block,radius |
| FSC / FSG | 1560 / 15 — Airframe Structural Components |
| Manufacturer | Aero Engineering & Manufacturing Company of California, Llc Dba Aeroengineering & Manufacturing Co |
| 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 |
|---|---|
| 4J12120-102A PRIMARY | Aero Engineering & Manufacturing Company of California, Llc Dba Aeroengineering & Manufacturing Co (USA) |
| Reference | Meaning |
|---|---|
| 4J12120 | D/9 Drawing number reference only U.S. Government activity |
NSN 1560-01-698-7634 is a Block,radius, manufactured by Aero Engineering & Manufacturing Company of California, Llc Dba Aeroengineering & Manufacturing Co, classified under FSC 1560, Airframe Structural Components. Status: active.
NSN 1560-01-698-7634 has 1 manufacturer part number on file: 4J12120-102A (Aero Engineering & Manufacturing Company of California, Llc Dba Aeroengineering & Manufacturing Co).
2 possible matches (shared part number, not a government interchangeability claim): 1560-01-698-7766, 1560-01-715-8181. Verify interchangeability with system specifications before substitution.
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 1560-01-698-7634 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.