The Shaft,shouldered, cataloged under National Stock Number 3040-01-423-4888, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Kf Industries Dba Contromatics. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 3040-01-423-4888 |
| Primary Part Number | 12420-22 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Kf Industries Dba Contromatics |
| Status | ACTIVE |
| Material | NICKEL ALLOY |
| 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 |
|---|---|
| 12420-22 PRIMARY | Kf Industries Dba Contromatics (USA) |
| 7099-1179P41912 ITEM 16 | Kf Industries Dba Contromatics (USA) |
| BOM7099-1179P41912 INDEX 14 | Kf Industries Dba Contromatics (USA) |
| Reference | Meaning |
|---|---|
| 7099-1179P41912 | D/9 Drawing number reference only Kf Industries Dba Contromatics |
NSN 3040-01-423-4888 is a Shaft,shouldered, manufactured by Kf Industries Dba Contromatics, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-423-4888 has 3 manufacturer part numbers on file: 12420-22 (Kf Industries Dba Contromatics), 7099-1179P41912 ITEM 16 (Kf Industries Dba Contromatics), BOM7099-1179P41912 INDEX 14 (Kf Industries Dba Contromatics).
2 possible matches (shared part number, not a government interchangeability claim): 4820-01-423-4890, 4820-01-423-5696. Verify interchangeability with system specifications before substitution.
Key specifications for 12420-22: Special Features: FOR 20.000 IN.CHECK VALVE SERIES 10S IN; End Item Identification: STRATEGIC SEA LIFT CONVERSION SHIPS CLASS; Material: NICKEL ALLOY. 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.