The Shaft,shouldered, cataloged under National Stock Number 3040-01-235-8560, 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 1 specification, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3040-01-235-8560 |
| Primary Part Number | K1 1-2T4A |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Pentair Pump Group, Inc. Dba Fairbanks Morse Pump |
| Status | ACTIVE |
| 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 |
|---|---|
| 99K1 1-2T-A LINE 4 | Pentair Pump Group, Inc. Dba Fairbanks Morse Pump (USA) |
| K1 1-2T4A PRIMARY | Pentair Pump Group, Inc. Dba Fairbanks Morse Pump (USA) |
| Reference | Meaning |
|---|---|
| 99K1 1-2T-A | D/9 Drawing number reference only Pentair Pump Group, Inc. Dba Fairbanks Morse Pump |
| K1 1-2T4A | C/1 Advisory reference — outside the item-of-supply concept Colt Industries Inc Power Systems Div |
| 55-22103-15 | C/1 Advisory reference — outside the item-of-supply concept Euramco Safety Inc |
NSN 3040-01-235-8560 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 3040-01-235-8560 has 2 manufacturer part numbers on file: 99K1 1-2T-A LINE 4 (Pentair Pump Group, Inc. Dba Fairbanks Morse Pump), K1 1-2T4A (Pentair Pump Group, Inc. Dba Fairbanks Morse Pump).
1 possible match (shared part number, not a government interchangeability claim): 4320-01-236-2820. Verify interchangeability with system specifications before substitution.
Key specifications for K1 1-2T4A: Material: STEEL. 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.