The Coupling and Shaft Assembly, cataloged under National Stock Number 3040-01-144-6499, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-144-6499 |
| Primary Part Number | 2121016 |
| Item Name | Coupling and Shaft Assembly |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| General Characteristics Item Description | INCLUDESCOUPLING BODY 2;SLEEVE 1;NUT,ADJUSTING 4;COUPLING HALF 2;COUPLING DISK 2;WORM 1;SHIM MOUNTING;SHAFT,STUB;GASKET,ACCESS COVER;SHAFT STUB;BOLT,SPECIAL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 2121016 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 2121016 | 5/9 Secondary reference Bae Systems Land & Armaments L.p. |
| LD552846 | 5/9 Secondary reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| 552846 | 5/9 Secondary reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| 2121016 | 5/9 Secondary reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| LD552846 | 5/9 Secondary reference Naval Sea Systems Command |
| 552846 | D/9 Drawing number reference only Naval Sea Systems Command |
| 3040PL0924572 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 3040-01-144-6499 is a Coupling and Shaft Assembly, manufactured by Naval Sea Systems Command, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-144-6499 has 1 manufacturer part number on file: 2121016 (Naval Sea Systems Command).
Key specifications for 2121016: General Characteristics Item Description: INCLUDESCOUPLING BODY 2;SLEEVE 1;NUT,ADJUSTING 4;COUPLING HALF 2;COUPLING DISK 2;WORM 1;SHIM MOUNTING;SHAFT,STUB;GASKET,ACCESS COVER;SHAFT STUB;BOLT,SPECIAL; End Item Identification: WEAPONS SYSTEM OLIVER PERRY CLASS FFG. 1 specification is 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.
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.