The Strut,propulsion Shaft, cataloged under National Stock Number 2040-01-388-9487, is classified within Federal Supply Class 2040 (Marine Hardware and Hull Items) of the Ship and Marine 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 2040-01-388-9487 |
| Primary Part Number | 201-66607534 ITEM 57 |
| Item Name | Strut,propulsion Shaft |
| FSC / FSG | 2040 / 20 — Marine Hardware and Hull Items |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| General Characteristics Item Description | MATL BRONZE; 6 HOLES 0.5312 DIA |
| 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 |
|---|---|
| 201-66607534 ITEM 57 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 201-6607534 | 5/1 Secondary reference Naval Sea Systems Command |
| 201-6607534 ITE | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
NSN 2040-01-388-9487 is a Strut,propulsion Shaft, manufactured by Naval Sea Systems Command, classified under FSC 2040, Marine Hardware and Hull Items. Status: active.
NSN 2040-01-388-9487 has 1 manufacturer part number on file: 201-66607534 ITEM 57 (Naval Sea Systems Command).
1 possible match (shared part number, not a government interchangeability claim): 2040-01-388-9501. Verify interchangeability with system specifications before substitution.
Key specifications for 201-66607534 ITEM 57: General Characteristics Item Description: MATL BRONZE; 6 HOLES 0.5312 DIA; Special Features: STRUT,CENTER,CAST; End Item Identification: BOAT. 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.