The Coupling Assembly, cataloged under National Stock Number 1010-00-159-2457, is classified within Federal Supply Class 1010 (Guns, Over 30mm up to 75mm) of the Weapons group. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Coupling Assembly |
| FSC / FSG | 1010 — Guns, Over 30mm up to 75mm (FSG 10) |
| Parameter | Value |
|---|---|
| NSN | 1010-00-159-2457 |
| Item Name | Coupling Assembly |
| FSC / FSG | 1010 / 10 — Guns, Over 30mm up to 75mm |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Reference | Meaning |
|---|---|
| 494490 | 3/9 Design control — primary reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
NSN 1010-00-159-2457 is a Coupling Assembly, classified under FSC 1010, Guns, Over 30mm up to 75mm. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 2840-00-911-8743. Verify interchangeability with system specifications before substitution.
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 1010-00-159-2457 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.