The Stacking Block, cataloged under National Stock Number 8140-01-020-9981, is classified within Federal Supply Class 8140 (Ammunition and Nuclear Ordnance Boxes, Packages and Special Containers) of the Containers, Packaging, and Packing Supplies group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 8140-01-020-9981 |
| Primary Part Number | 1526762 |
| Item Name | Stacking Block |
| FSC / FSG | 8140 / 81 — Ammunition and Nuclear Ordnance Boxes, Packages and Special Containers |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| General Characteristics Item Description | STACKING BLOCK MADE OF ALUMINUM ALLOY DIE-CASTING FED SPEC QQ-A-591,COMP NO.3,ALTERNATE MATERIAL IS ALUMINUMALLOY EXTRUSION,6061,T4 FED. SPEC QQ-A-270 OR ALUMINUM ALLOY SAND CASTING,COMPOSITION NO.3,T4,FED. SPEC QQ-A-601,LENGTH IS 3 INCHES,WIDTH IS 1.625 INCHES,HEIGHT IS 0.875 INCHES IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 1526762 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
NSN 8140-01-020-9981 is a Stacking Block, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 8140, Ammunition and Nuclear Ordnance Boxes, Packages and Special Containers. Status: active.
NSN 8140-01-020-9981 has 1 manufacturer part number on file: 1526762 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for 1526762: General Characteristics Item Description: STACKING BLOCK MADE OF ALUMINUM ALLOY DIE-CASTING FED SPEC QQ-A-591,COMP NO.3,ALTERNATE MATERIAL IS ALUMINUMALLOY EXTRUSION,6061,T4 FED. SPEC QQ-A-270 OR ALUMINUM ALLOY SAND CASTING,COMPOSITION NO.3,T4,FED. SPEC QQ-A-601,LENGTH IS 3 INCHES,WIDTH IS 1.625 INCHES,HEIGHT IS 0.875 INCHES IN. 1 specification is 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.
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.