The Block Set,holding, cataloged under National Stock Number 4920-01-212-2880, is classified within Federal Supply Class 4920 (Aircraft Maintenance and Repair Shop Specialized Equipment) of the Maintenance and Repair Shop Equipment group. The manufacturer of record is Mccay Tool and Engineering Company Dba Mccay Tool & Engineering Co. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4920-01-212-2880 |
| Primary Part Number | 75D450014-1001 |
| Item Name | Block Set,holding |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Mccay Tool and Engineering Company Dba Mccay Tool & Engineering Co |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 75D450014-1001 PRIMARY | Mccay Tool and Engineering Company Dba Mccay Tool & Engineering Co (USA) |
| 75D450014-1001 | The Boeing Company Div Services (USA) |
| 75D450014-1001 PRIMARY | The Boeing Company Div Defense (USA) |
| 75D450014-1001 PRIMARY | Alliance Tool Co Inc (USA) |
NSN 4920-01-212-2880 is a Block Set,holding, manufactured by Mccay Tool and Engineering Company Dba Mccay Tool & Engineering Co, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4920-01-212-2880 has 4 manufacturer part numbers on file: 75D450014-1001 (Mccay Tool and Engineering Company Dba Mccay Tool & Engineering Co), 75D450014-1001 (The Boeing Company Div Services), 75D450014-1001 (The Boeing Company Div Defense), 75D450014-1001 (Alliance Tool Co Inc).
Key specifications for 75D450014-1001: End Item Identification: ACFT AV-8B. 0 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 4920-01-212-2880 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.