The Shaft,shouldered, cataloged under National Stock Number 3040-01-414-1236, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Hydraulics International, Inc. Dba Hydraulics International Inc. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-414-1236 |
| Primary Part Number | 4B994C-01 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Hydraulics International, Inc. Dba Hydraulics International Inc |
| Status | ACTIVE |
| Second End External Thread Length | 1.188 INCHES NOMINAL IN |
| Step Quantity | 6 |
| First End Diameter | 0.6235 INCHES NOMINAL IN |
| Second End Diameter | 0.3630 INCHES NOMINAL IN |
| Largest Step Diameter | 0.624 INCHES NOMINAL IN |
| First End Slot Width | 0.062 INCHES NOMINAL IN |
| First End Style | SLOTTED |
| Material Document and Classification | ASTM A564 ASSN STD ALL MATERIAL RESPONSES |
| End Similarity | NOT IDENTICAL |
| First End Slot Depth | 0.125 INCHES NOMINAL IN |
| Second End Style | EXTERNAL THREADED |
| Material | STEEL CORROSION RESISTING |
| 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 |
|---|---|
| 4B994C | Hydraulics International, Inc. Dba Hydraulics International Inc (USA) |
| 4B994C-01 PRIMARY | Hydraulics International, Inc. Dba Hydraulics International Inc (USA) |
| Reference | Meaning |
|---|---|
| 4B994C-01 | 5/9 Secondary reference U.S. Government activity |
| 4B994C | 5/9 Secondary reference U.S. Government activity |
NSN 3040-01-414-1236 is a Shaft,shouldered, manufactured by Hydraulics International, Inc. Dba Hydraulics International Inc, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-414-1236 has 2 manufacturer part numbers on file: 4B994C (Hydraulics International, Inc. Dba Hydraulics International Inc), 4B994C-01 (Hydraulics International, Inc. Dba Hydraulics International Inc).
Key specifications for 4B994C-01: Second End External Thread Length: 1.188 INCHES NOMINAL IN; Step Quantity: 6; First End Diameter: 0.6235 INCHES NOMINAL IN; Second End Diameter: 0.3630 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.