The Shaft,shouldered, cataloged under National Stock Number 3040-01-484-0127, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Bae Systems Land & Armaments L.p.. Government technical data includes 8 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-484-0127 |
| Primary Part Number | 2149905 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Bae Systems Land & Armaments L.p. |
| Status | ACTIVE |
| Surface Finish | 32.0 MICROINCHES |
| Step Quantity | 5 |
| Largest Step Diameter | 0.6250 INCHES NOMINAL IN |
| Special Test Features | AGE HARDEN TO 36-42 ROCKWELL C PER WS 13554; PASSIVATE PER QQ-P-35, TYPES I, II, OR III; PENETRANT INSPECT PER MIL-I-6866 TYPE II, METHOD C. CRACKS, SEAMS AND LAPS SHALL BE CAUSE FOR REJECTION |
| First End Style | BEARING SEAT |
| Material Document and Classification | STAINLESS STEEL AISI 630, 17-4 PH UNS S17400 FED STD SINGLE MATERIAL RESPONSE |
| End Similarity | IDENTICAL |
| 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 |
|---|---|
| 2149905 PRIMARY | Bae Systems Land & Armaments L.p. (USA) |
| Reference | Meaning |
|---|---|
| 3040PL0890624 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 2149905 | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
NSN 3040-01-484-0127 is a Shaft,shouldered, manufactured by Bae Systems Land & Armaments L.p., classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-484-0127 has 1 manufacturer part number on file: 2149905 (Bae Systems Land & Armaments L.p.).
Key specifications for 2149905: Surface Finish: 32.0 MICROINCHES; Step Quantity: 5; Largest Step Diameter: 0.6250 INCHES NOMINAL IN; Special Test Features: AGE HARDEN TO 36-42 ROCKWELL C PER WS 13554; PASSIVATE PER QQ-P-35, TYPES I, II, OR III; PENETRANT INSPECT PER MIL-I-6866 TYPE II, METHOD C. CRACKS, SEAMS AND LAPS SHALL BE CAUSE FOR REJECTION. 8 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.