The Cylinder Assembly,equilibrator, cataloged under National Stock Number 1020-00-021-2989, is classified within Federal Supply Class 1020 (Guns, Over 125mm Through 150mm) of the Weapons group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1020-00-021-2989 |
| Primary Part Number | LD616609 |
| Item Name | Cylinder Assembly,equilibrator |
| FSC / FSG | 1020 / 10 — Guns, Over 125mm Through 150mm |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| 2481670 | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| LD616609 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| BUWEPSLD616609 PRIMARY | Bae Systems Land & Armaments L.p. (USA) |
NSN 1020-00-021-2989 is a Cylinder Assembly,equilibrator, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 1020, Guns, Over 125mm Through 150mm. Status: active.
NSN 1020-00-021-2989 has 3 manufacturer part numbers on file: 2481670 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), LD616609 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), BUWEPSLD616609 (Bae Systems Land & Armaments L.p.).
Key specifications for LD616609: End Item Identification: MISC GUN PARTS. 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 1020-00-021-2989 has DEMIL Code D. 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.