The Piston,actuating, cataloged under National Stock Number 1040-00-149-8399, is classified within Federal Supply Class 1040 (Chemical Weapons and Equipment) of the Weapons group. The manufacturer of record is Naval Air Systems Command Managed Original Design Activity 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 | 1040-00-149-8399 |
| Primary Part Number | 2518770 |
| Item Name | Piston,actuating |
| FSC / FSG | 1040 / 10 — Chemical Weapons and Equipment |
| Manufacturer | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| Status | ACTIVE |
| General Characteristics Item Description | ALUMINUM ALLOY,2.122 IN. DIA,1.00 IN. LG,1.252 IN. DIA BORE IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 2518770 PRIMARY | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
NSN 1040-00-149-8399 is a Piston,actuating, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 1040, Chemical Weapons and Equipment. Status: active.
NSN 1040-00-149-8399 has 1 manufacturer part number on file: 2518770 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
Key specifications for 2518770: General Characteristics Item Description: ALUMINUM ALLOY,2.122 IN. DIA,1.00 IN. LG,1.252 IN. DIA BORE 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.
NSN 1040-00-149-8399 has DEMIL Code B. 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.