The Coupling Clamp Co, cataloged under National Stock Number 2840-00-468-6633, is classified within Federal Supply Class 2840 (Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Rolls-Royce Plc Div Defense (europe). The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 Clamp Co |
| FSC / FSG | 2840 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components (FSG 28) |
| Manufacturers | Rolls-Royce Plc Div Defense (europe) (CAGE K0378) |
| Parameter | Value |
|---|---|
| NSN | 2840-00-468-6633 |
| Primary Part Number | B408018 |
| Item Name | Coupling Clamp Co |
| FSC / FSG | 2840 / 28 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components |
| Manufacturer | Rolls-Royce Plc Div Defense (europe) |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| B408018 PRIMARY | Rolls-Royce Plc Div Defense (europe) (GBR) |
| Reference | Meaning |
|---|---|
| 99-603-8662 | 6/9 Informative reference only Nato Stock Number Potential Interchangeability Link |
| 99-603-8662 | 6/9 Informative reference only U.S. Government activity |
NSN 2840-00-468-6633 is a Coupling Clamp Co, manufactured by Rolls-Royce Plc Div Defense (europe), classified under FSC 2840, Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components. Status: active.
NSN 2840-00-468-6633 has 1 manufacturer part number on file: B408018 (Rolls-Royce Plc Div Defense (europe)).
1 possible match (shared part number, not a government interchangeability claim): 5342-00-469-1432. 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.
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.