The Buffer,recoil Mechanism, cataloged under National Stock Number 1010-01-650-6474, is classified within Federal Supply Class 1010 (Guns, Over 30mm up to 75mm) of the Weapons group. The manufacturer of record is General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 1010-01-650-6474 |
| Primary Part Number | 402010 |
| Item Name | Buffer,recoil Mechanism |
| FSC / FSG | 1010 / 10 — Guns, Over 30mm up to 75mm |
| Manufacturer | General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 402010 PRIMARY | General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems (USA) |
| Reference | Meaning |
|---|---|
| 402010 | 5/1 Secondary reference Nioa Trading Nioa Nominees Pty Limited Div Nioa |
NSN 1010-01-650-6474 is a Buffer,recoil Mechanism, manufactured by General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems, classified under FSC 1010, Guns, Over 30mm up to 75mm. Status: active.
NSN 1010-01-650-6474 has 1 manufacturer part number on file: 402010 (General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems).
1 possible match (shared part number, not a government interchangeability claim): 4130-01-707-5037. Verify interchangeability with system specifications before substitution.
Key specifications for 402010: Special Features: BUFFER ASSEMBLY, SUB ASSEMBLY OF MK 47 MOD 0 WEAPON SYSTEM ACTION ASSEMBLY P/N: 402002.. 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 1010-01-650-6474 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.