The Shaft,shouldered, cataloged under National Stock Number 3040-01-181-0146, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Pentair Pump Group, Inc. Dba Fairbanks Morse Pump. Government technical data includes 2 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-181-0146 |
| Primary Part Number | K4B4B 7080F |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Pentair Pump Group, Inc. Dba Fairbanks Morse Pump |
| Status | ACTIVE |
| Step Quantity | 7 |
| Material | STEEL |
| 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 |
|---|---|
| K4B4B 7080F PRIMARY | Pentair Pump Group, Inc. Dba Fairbanks Morse Pump (USA) |
| Reference | Meaning |
|---|---|
| 99K4B-V,PC.4 | 5/9 Secondary reference Calabrese & Sons, Inc. |
| 99K4B-V | D/9 Drawing number reference only Pentair Pump Group, Inc. Dba Fairbanks Morse Pump |
| 99K4B-V PIECE 4 | 5/9 Secondary reference Pentair Pump Group, Inc. Dba Fairbanks Morse Pump |
| 55-22060-15 | 5/9 Secondary reference Euramco Safety Inc |
| K4B4B | 5/9 Secondary reference Pentair Pump Group, Inc. Dba Fairbanks Morse Pump |
NSN 3040-01-181-0146 is a Shaft,shouldered, manufactured by Pentair Pump Group, Inc. Dba Fairbanks Morse Pump, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-181-0146 has 1 manufacturer part number on file: K4B4B 7080F (Pentair Pump Group, Inc. Dba Fairbanks Morse Pump).
4 possible matches (shared part number, not a government interchangeability claim): 4320-01-181-0150, 4320-01-181-0209, 4320-01-181-0274. Verify interchangeability with system specifications before substitution.
Key specifications for K4B4B 7080F: Step Quantity: 7; End Item Identification: COLT INDUSTRIES 4.000 IN. CENTRIFUGAL PUMP,MODEL 5942CX IN; Material: STEEL. 2 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.