The Shaft,shouldered, cataloged under National Stock Number 3040-01-006-9984, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Armstrong Pumps Inc. Government technical data includes 12 specifications, 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-006-9984 |
| Primary Part Number | 816354-041 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Armstrong Pumps Inc |
| Status | ACTIVE |
| Second End External Thread Length | 0.725 INCHES NOMINAL IN |
| Step Quantity | 9 |
| First End Diameter | 0.6250 INCHES NOMINAL IN |
| First End Distance From Keyway Center to End | 0.344 INCHES NOMINAL IN |
| Second End Diameter | 0.4350 INCHES NOMINAL IN |
| Largest Step Diameter | 1.490 INCHES NOMINAL IN |
| First End Style | WOODRUFF KEYWAY |
| End Similarity | NOT IDENTICAL |
| Second End Style | EXTERNAL THREADED |
| Material | STEEL |
| External Keyway Length | 0.675 INCHES NOMINAL FIRST END IN |
| First End Keyway Width | 0.1880 INCHES NOMINAL IN |
| 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 |
|---|---|
| 816354-041 PRIMARY | Armstrong Pumps Inc (USA) |
NSN 3040-01-006-9984 is a Shaft,shouldered, manufactured by Armstrong Pumps Inc, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-006-9984 has 1 manufacturer part number on file: 816354-041 (Armstrong Pumps Inc).
Key specifications for 816354-041: Second End External Thread Length: 0.725 INCHES NOMINAL IN; Step Quantity: 9; First End Diameter: 0.6250 INCHES NOMINAL IN; First End Distance From Keyway Center to End: 0.344 INCHES NOMINAL IN. 12 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.
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.