The Shaft,shouldered, cataloged under National Stock Number 3040-01-424-2171, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3040-01-424-2171 |
| Primary Part Number | 13-1821-3 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc |
| Status | ACTIVE |
| Material | STEEL COMP 304 |
| 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 |
|---|---|
| 13-1821-3 PRIMARY | Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc (USA) |
| Reference | Meaning |
|---|---|
| 6984ED84 | D/9 Drawing number reference only Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc |
| 6984ED84 PC NO 23 | C/1 Advisory reference — outside the item-of-supply concept Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc |
NSN 3040-01-424-2171 is a Shaft,shouldered, manufactured by Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-424-2171 has 1 manufacturer part number on file: 13-1821-3 (Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc).
1 possible match (shared part number, not a government interchangeability claim): 3040-01-424-2593. Verify interchangeability with system specifications before substitution.
Key specifications for 13-1821-3: End Item Identification: NIMITZ CLASS CVN; Material: STEEL COMP 304. 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.