The Buffer Assembly, cataloged under National Stock Number 1020-00-152-4630, is classified within Federal Supply Class 1020 (Guns, Over 125mm Through 150mm) of the Weapons group. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Buffer Assembly |
| FSC / FSG | 1020 — Guns, Over 125mm Through 150mm (FSG 10) |
| Parameter | Value |
|---|---|
| NSN | 1020-00-152-4630 |
| Item Name | Buffer Assembly |
| FSC / FSG | 1020 / 10 — Guns, Over 125mm Through 150mm |
| 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 |
|---|---|
| 363467PC90 | 5/9 Secondary reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| 400909PC90 | 5/9 Secondary reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| 400909 | 5/9 Secondary reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| 400909-90 | 5/9 Secondary reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| 241686 | 5/9 Secondary reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| 181032 | 3/9 Design control — primary reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
NSN 1020-00-152-4630 is a Buffer Assembly, classified under FSC 1020, Guns, Over 125mm Through 150mm. Status: active.
5 possible matches (shared part number, not a government interchangeability claim): 5306-00-156-2288, 5935-01-034-8058, 5961-01-093-3933. 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 1020-00-152-4630 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.