The Support,crank, cataloged under National Stock Number 1560-00-421-8472, is classified within Federal Supply Class 1560 (Airframe Structural Components) of the Aircraft and Airframe Components group. The manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 1560-00-421-8472 |
| Primary Part Number | A51B13544-11 |
| Item Name | Support,crank |
| FSC / FSG | 1560 / 15 — Airframe Structural Components |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| General Characteristics Item Description | ALUMINUM ALLOY,MIL-A-22771,COMP 7075,TEMPER T73,1.700 IN. O/A W IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| A51B13544-11 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| A51B13544-11 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
| A51B13544-11 | 3/9 Design control — primary reference Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Northrop Grumman Aeronautics Systems |
NSN 1560-00-421-8472 is a Support,crank, manufactured by Northrop Grumman Systems Corporation, classified under FSC 1560, Airframe Structural Components. Status: active.
NSN 1560-00-421-8472 has 1 manufacturer part number on file: A51B13544-11 (Northrop Grumman Systems Corporation).
Key specifications for A51B13544-11: General Characteristics Item Description: ALUMINUM ALLOY,MIL-A-22771,COMP 7075,TEMPER T73,1.700 IN. O/A W IN. 1 specification is 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.
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.